| Acadian Flycatcher | 1993 | Oct-Dec | Westmoreland | 1 banded at Powdermill Nature Reserve 10/6 (B. Leberman, B. Mulvihill) |
| Acadian Flycatcher | 1995 | Oct-Dec | Westmoreland | Present up to 10/3 at West Newton (Don Koch) |
| Alder Flycatcher | 1993 | Oct-Dec | Lehigh | 1 at Jordan Park 10/5 was a record late date for the Co. (Pauline Morris) |
| Alder Flycatcher | 2004 | Aug-Nov | Allegheny | One in North Fayette Twp. 8/7 (Geoff Malosh) |
| Allen's Hummingbird | 2000 | Jul-Sep | Tioga | 1 on 6/9 at Jobs Corners would be added to the Provisional List if Accepted by PORC (Larry Brown) |
| Allen's Hummingbird | 2009-2010 | Dec-Feb | Lancaster | first state record, adult female banded by Scott Weidensaul near Leola 12/12 at home of Debra Raudenbush, seen until 12/28 (m.ob.) (doc submitted). |
| Allen's Hummingbird | 2010 | Aug-Nov | Lancaster | one at the Landis Homes retirement community near Lititz (Edith Bailey) was banded 11/7 (Scott Weidensaul, doc submitted) and remained until 11/13. |
| Allen's Hummingbird | 2012 | Aug-Nov | Bucks | one hatch year male at Plumstead Twp. 11/12 through the season (Anna "Babe" Webster, doc submitted) |
| Allen's Hummingbird | 2012 | Aug-Nov | Montgomery | one hatch year male present from 10/7 to the end of the period, banded 11/30 in Lansdale (Cathy Lavoie, Alvin Lavoie, Scott Weidensaul), doc submitted). |
| Allen's Hummingbird | 2012-2013 | Dec-Feb | Montgomery | one continued in Lansdale through 12/3 (Cathy Lavoie, Alvin Lavoie, doc submitted). |
| Allen's Hummingbird | 2012-2013 | Dec-Feb | Bucks | one from fall continued through 1/8 in Plumstead Twp. (Anna Webster, doc submitted) |
| Allen's Hummingbird | 2018 | Aug-Nov | Dauphin | one banded in northern Harrisburg 11/23 (Sandy and Gary Lockerman, no doc submitted), |
| Allen's Hummingbird | 2020-2021 | Dec-Feb | Delaware | one at Springfield 12/9-19 (Debbie Beer, Adrian Binns) sixth state record (doc submitted) |
| Allen's Hummingbird | 2020-2021 | Dec-Feb | Philadelphia | band indicated same bird as in Delaware, in East Falls 1/6-22. |
| American Avocet | 1992 | Oct-Dec | Erie | One on 8/11 at Presque Isle SP Jim Stull |
| American Avocet | 1993 | Jul-Sep | Lancaster | 3 on 7/11 at the Susquehanna R. Conejohela Flats (Bob Schutsky et al) |
| American Avocet | 1993 | Oct-Dec | Mercer | 1 at Shenango R. Res. 9/4-15 (Walt Shafer, ph, Mike Fialkovich, m. obs.) |
| American Avocet | 1994 | Oct-Dec | Cambria | 5 were a 1st Co. record at Prince Gallitzin SP 8/14 (ph, Dave Gobert). seen later by John Salvetti |
| American Avocet | 1994 | Oct-Dec | Lancaster | 9 spent the day on Avocet Pt. at the Conejohela Flats 8/14 (E. Witmer, Jan Witmer, Jerry Book, Carl et al). These birds represent the 2nd Co. record in as many years. The only previous record also came from the flats. Gary Pennington found and photographed 1 in winter plumage on a gravel bar in the Susquehanna R. just out from Vinegar Ferry Rd. (approx. 2 mi. n. of Marietta) 9/16 |
| American Avocet | 1994 | Oct-Dec | Mercer | 1 at L. Wilhelm 8/14 (ph. Barb Dean) |
| American Avocet | 1994 | Oct-Dec | Montour | 4 at the fly ash basin 8/14 (Barb & Bill Gearhart) |
| American Avocet | 1994 | Oct-Dec | Somerset | 2 at L. Somerset 8/17 (Tony Marich, Jeff Payne, Scott Bastian) |
| American Avocet | 1995 | Oct-Dec | Allegheny | 1 on 8/23 at Imperial is the first record for the county (Mike Fialkovich) |
| American Avocet | 1995 | Oct-Dec | Cumberland | 1 on 8/15 at West Fairview (Dan Ohler) |
| American Avocet | 1995 | Oct-Dec | Erie | 1 on 8/15 at Presque Isle SP (no details, Eds.) (Paula Teats) |
| American Avocet | 1995 | Oct-Dec | Berks | 1 on 10/14-20 at L. Ontelaunee (Ken Lebo, et al) |
| American Avocet | 1995 | Oct-Dec | Lancaster | 3 on 10/15 at Middle Creek WMA (fide Bruce Carl) |
| American Avocet | 1996 | Apr-Jun | Erie | 18 on 4/30 at Presque Isle SP (Greg Cook) |
| American Avocet | 1996 | Apr-Jun | Indiana | 1 on 5/3 at Yellow Creek SP (No details)(Tom Fetterman et al) |
| American Avocet | 1996 | Oct-Dec | Erie | 3 on 8/8 and 2 on 8/13 (no details) at Presque Isle SP |
| American Avocet | 1996 | Oct-Dec | Fayette | 3 on 8/9 at Indian Creek Reservoir (Ed Kwater) |
| American Avocet | 1996 | Oct-Dec | Northampton | 1 on 8/26 at Martin's Creek was a 1st county record (Rick Wiltraut) |
| American Avocet | 1996 | Jul-Sep | York | 4 on 7/17 at Brunner's Island (Al Spiese) |
| American Avocet | 1997 | Oct-Dec | Erie | 1 on 7/31 (John Fedak) and 15 on 8/9 (Geoff Robinson) at Presque Isle State Park |
| American Avocet | 1997 | Oct-Dec | Lancaster | 1 on 9/21 at Washington Boro (Tom Garner) |
| American Avocet | 1997 | Oct-Dec | York | 1 on 9/2 at Long Arm Dam (Peter Robinson) |
| American Avocet | 1998 | Oct-Dec | Berks | 1 on 9/3-6 at Shartlesville (m. obs.) |
| American Avocet | 1998 | Oct-Dec | Bucks | 3 on 8/11 at Penn Manor were a third county record (J. Hartley) |
| American Avocet | 1998 | Jul-Sep | Indiana | 1 on 7/17 at Yellow Creek SP (m. obs.) |
| American Avocet | 1998 | Oct-Dec | Montgomery | 1 on 8/10 at Green Lane Reservoir (Ralph Bordman) |
| American Avocet | 1998 | Apr-Jun | Centre | 1 on 5/7 near Pine Grove Mills (Paul Rodewald) |
| American Avocet | 1998 | Oct-Dec | Crawford | 2 on 11/15-26 at the Linesville Fish Hatchery (Ron Leberman, et al) |
| American Avocet | 1999 | Jul-Sep | Berks | 1 on 7/19 at Lake Ontelaunee (Ian Baldoch, Katrina Knight,Ken Reiker, Bill Uhrich) |
| American Avocet | 1999 | Apr-Jun | Erie | 3 on 4/16 at Presque Isle SP (Jerry McWilliams) |
| American Avocet | 1999 | Apr-Jun | Venango | 1 on 4/18 at Clintonville Pond (Russ States, et al) |
| American Avocet | 1999 | Apr-Jun | York | 1 on 4/17 at Codorus SP (Jim Kolba, Peter Robinson) |
| American Avocet | 2000 | Oct-Dec | Erie | 1 on 8/24 at Presque Isle State Park (Louise Chambers) |
| American Avocet | 2000 | Oct-Dec | Indiana | 1 on 9/21 at Yellow Creek State Park (Tom Fetterman) |
| American Avocet | 2000 | Jul-Sep | Montgomery | 1 on 7/15 at Green Lane Reservoir (Ralph Bordman, George Franchois) |
| American Avocet | 2000 | Jul-Sep | Montour | 1 on 7/2-5 at Montour Preserve (Bob Bleiler) |
| American Avocet | 2000 | Jul-Sep | Northampton | 2 on 7/23 at Green Pond was a 2nd county record (m. obs.) |
| American Avocet | 2001 | Apr-Jun | Erie | 23 on 4/22 at Presque Isle State Park (Jerry McWilliams) |
| American Avocet | 2001 | Apr-Jun | Lancaster | 2 on 5/26-27 at the Conejohela Flats (Dan Heathcote, Jack Mitterer) |
| American Avocet | 2001 | Aug-Nov | Adams | 1 on 8/4 at a retention pond near Littlestown (David Harvey) . not relocated |
| American Avocet | 2001 | Jul-Sep | Bucks | Two observations at Rohm & Haas. 1 each 8/19 and 8/20 (Devich Farbotnik) were 4th and 5th county recordSPlumage differences indicated different birds |
| American Avocet | 2001 | Jul-Sep | Butler | 1 on 7/1 at Lake Oneida was 2nd county record (Dave Darney, Debbie Yovanovich) |
| American Avocet | 2001 | Jul-Sep | Cambria | 2 were a very on 8/17 at Prince Gallitzin SP |
| American Avocet | 2001 | Jul-Sep | Chester | 1 on 8/12 standing next to a new sediment/water retention pond at a construction site in New Garden Twp.(Joe Sebastiani) |
| American Avocet | 2001 | Jul-Sep | Lancaster | 2 on 7/10 (Bob Schutsky); 3 on August 3, and 1 on August 9 (Jonathan Heller) |
| American Avocet | 2001 | Jul-Sep | Schuylkill | 2 were found on 7/25 at Sweet Arrow Lake, near Pine Grove (Barb Stauffer, Dave Kruel) |
| American Avocet | 2001 | Jul-Sep | York | 1 on 7/16 was seen at Codorus SP by K Lippy |
| American Avocet | 2002 | Apr-Jun | Erie | 4 on 5/26 at Presque Isle State Park (observer not listed) |
| American Avocet | 2002 | Jul | Bucks | On 7/23 at the Penn Warner Tract (D. Farbotnik) |
| American Avocet | 2002 | Jul | Dauphin | 1 at Susquehanna River above I-81 on 7/14 (C. Dunn) |
| American Avocet | 2002 | Jul | Blair | 1 at 7/14 at Canoe Creek SP (R.Boyle) |
| American Avocet | 2002 | Jul | Erie | 2 at Gull Point on 7/22 (J. McWilliams) |
| American Avocet | 2002 | Aug-Nov | Bucks | 1 at Peace Valley Park on 11/27 |
| American Avocet | 2002 | Aug-Nov | Erie | 1 on 8/11 and 1 on 8/15 at Gull Point (Jerry McWilliams, Ben Coulter, respectively) |
| American Avocet | 2002 | Aug-Nov | Lancaster | 1 on 8/4 at the Susquehanna River Conejohela Flats (Jerry Book) |
| American Avocet | 2003 | Jun-Jul | Lancaster | Two were on the flats July 27th (Eric Witmer and Tom Garner) |
| American Avocet | 2003 | Jun-Jul | Montour | 1 was found at the Montour Fly Ash pond on July 29 (Wayne Laubscher). |
| American Avocet | 2003 | Aug-Nov | Adams | Two at Long Pine Run Reservoir on 10/17 (C.Garner, others) |
| American Avocet | 2003 | Jun-Jul | Lancaster | Two 7/27 Conejohela Flats (E. Witmer) |
| American Avocet | 2003 | Aug-Nov | Lehigh | Two 9/9 Fogelsville (J. Horn) |
| American Avocet | 2004 | Jun-Jul | Carbon | two in alternate plumage at Beltzville State Park, Franklin Township (Steve Hawk and David Hawk, photos, from PABL). first for the county |
| American Avocet | 2004 | Jun-Jul | Erie | 1 at Gull Point, Presque Isle on 7/22 (Ben Coulter) |
| American Avocet | 2004 | Jun-Jul | Lancaster | 7/29-30 at Conejohola Flats (Dan Heathcote, Deaune Hoffman from PABL) |
| American Avocet | 2004 | Jun-Jul | Schuylkill | briefly stopped by a Hidden Valley Golf Course pond on 7/12 before flying off to the northeast at dusk |
| American Avocet | 2004 | Aug-Nov | Bucks | One at The Penn-Warner Tract 8/1 (Devich Farbotnik) |
| American Avocet | 2004 | Aug-Nov | Erie | At least four different birds were counted at Gull Point 8/10-29 (Ben Coulter, Randy Stringer, Geoff Malosh) |
| American Avocet | 2004 | Aug-Nov | Franklin | One at Greencastle Res (no date or observer given) |
| American Avocet | 2004 | Aug-Nov | Lancaster | One on the Conejohela Flats 7/30 (Deuane Hoffman); three 8/1 (m. obs.); and one 8/7 (m. obs.) |
| American Avocet | 2004 | Aug-Nov | Northampton | One at Martins Creek Fly Ash Basin 9/9 (Rick Wiltraut) |
| American Avocet | 2005 | Jun-Jul | Erie | two seen at Gull Point 7/17 (Jerry McWilliams); one 7/19 (Ben Coulter) and 3 there 7/27 (Jerry McWilliams) |
| American Avocet | 2005 | Jun-Jul | Lancaster | a female was seen at the Conejohela Flats 7/20 (Deuane Hoffman) |
| American Avocet | 2005 | Aug-Nov | Beaver | two were at Little Blue Lake 8/16 for a first county record (Mark Vass, Geoff Malosh) |
| American Avocet | 2005 | Aug-Nov | Erie | a single bird was at Gull Point 8/5 (Ben Coulter) and two were there 8/13 (Jerry McWilliams) |
| American Avocet | 2005 | Jun-Jul | Lancaster | one Susquehanna River, Conejohela Flats 7/20 |
| American Avocet | 2005 | Aug-Nov | McKean | one 8/16 (John Fedak) |
| American Avocet | 2006 | Aug-Nov | Lancaster | A solo bird seen on the Conejohela Flats 8/5 (Deuane Hoffman) |
| American Avocet | 2006 | Jun-Jul | Beaver | One on 7/16 at Little Blue Lake 7/16 (Mark Vass) the second county record and the second record for that location |
| American Avocet | 2006 | Jun-Jul | Beaver | One at at Little Blue Lake 7/16 was a second county record (Mark Vass) |
| American Avocet | 2006 | Jun-Jul | Pike | One seen sleeping next to a large pool of water on the left side of the golf course past the hundred yard marker at the Best Western hotel at Hunt's Landing along route 6 and 209 in Matamoras 6/25 and was again spotted on 6/26 (Pat and Sherron Lynch). |
| American Avocet | 2007 | Jun-Jul | Allegheny | one male at the outflow of Pine Creek on the Allegheny River in Etna 7/29 (Dan Yagusic) |
| American Avocet | 2007 | Jun-Jul | Cumberland | along Brackbill Rd Mechanicsburg 7/25 (Steffan Karkuff) |
| American Avocet | 2007 | Jun-Jul | Lancaster | 2 at Gull Island Conejohela Flats 7/12 7/19 (Chuck Chalfont Andy McGann Tom Johnson) and one 7/31 (Deuane Hoffman Andy McGann). |
| American Avocet | 2007 | Mar-May | Indiana | 3 at Yellow Creek S.P. 5/15 (Betsy Fetterman Tom Fetterman Margaret Higbee Gloria Lamer) fourth county record. |
| American Avocet | 2007 | Aug-Nov | Bucks | one that stopped at the Penn-Warner Tract 8/4 was the eighth county record (Devich Farbotnik). |
| American Avocet | 2007 | Aug-Nov | Butler | an amazing 24 at Lake Oneida 9/10 (Mike Fowles, Debbie Darney) was one of the largest flocks of Avocets ever reported in Pennsylvania. One bird remained to 9/15. |
| American Avocet | 2007 | Aug-Nov | Centre | Two at Bald Eagle State Park 10/20 (m. obs.) was probably the second for the county. |
| American Avocet | 2007 | Aug-Nov | Erie | Four at Gull Point 8/24 (Kathleen Ryan fide Susan Smith), with two staying to the next day. |
| American Avocet | 2007 | Jun-Jul | Lancaster | two at Conojehela Flats 7/12 (Tom Johnson, Andrew McGann), and another there 7/31 (Deuane Hoffman, Andrew McGann). |
| American Avocet | 2007 | Aug-Nov | Northampton | six at Martin's Creek PPL (Rick Wiltraut) were a fourth county record. |
| American Avocet | 2008 | Jun-Jul | Berks | One briefly at the Dry Brooks Day Use Area of Blue Marsh Lake 7/25 (Keith Lutz, fide Joan Silagy). |
| American Avocet | 2008 | Aug-Nov | Cumberland | 2 at Huntsdale Hidden Pond 9/18 (Ramsay Koury, Andy Markel, Vern Gauthier). |
| American Avocet | 2008-2009 | Dec-Feb | Erie | One on Erie CBC 12/20. |
| American Avocet | 2009 | Jun-Jul | Crawford | An adult at Pymatuning Goose Management Area 7/17 (Mark Vass). |
| American Avocet | 2009 | Aug-Nov | Indiana | 2 at Yellowcreek State Park 10/8 (ph. Margaret Higbee, John Salvetti) |
| American Avocet | 2009 | Aug-Nov | Lancaster | one at the Conejohela Flats 9/13 (Tom Amico, et al.) and one near Bird-in-Hand 9/14-17 (Drew Weber, et al.) |
| American Avocet | 2009 | Aug-Nov | York | one at Lake Redman 8/28 (Dick Cleary). |
| American Avocet | 2009 | Mar-May | Fayette | one at Mill Run Reservoir 5/18 (Walt Shaffer) |
| American Avocet | 2009 | Aug-Nov | Centre | one at Colyer Lake 8/18-19 (Matt O'Donnell, ph. Janet Alley, ph. Larry Ramsey) |
| American Avocet | 2009 | Aug-Nov | Venango | one at Kahle Lake 11/22-30 (Gary Edwards) was the third for Venango |
| American Avocet | 2009 | Aug-Nov | Huntingdon | one in Smithfield Twp. 9/9-12 (David Kyler, Trudy Kyler) was a county first |
| American Avocet | 2009 | Mar-May | Lancaster | one at the Conejohela Flats 4/26 (Jerry Book, Bob Schutsky). |
| American Avocet | 2009 | Aug-Nov | Mercer | one at Shenango Reservoir 8/29 (Mark Vass). |
| American Avocet | 2009-2010 | Dec-Feb | Venango | one from fall stayed until 12/1 at Kahle Lake. |
| American Avocet | 2010 | Mar-May | Erie | one at Presque Isle State Park 5/6 (Mike Plyler). |
| American Avocet | 2010 | Aug-Nov | Bucks | one at Rohm and Haas-Bristol 8/18 (Devich Farbotnik) and two at Peace Valley Park9/3 (Gene Constantine, Margaret Constantine, ph. August Mirabella). |
| American Avocet | 2011 | Aug-Nov | Dauphin | one on the Susquehanna River near Royalton 10/18 (Patricia and Richard Williams) |
| American Avocet | 2011 | Aug-Nov | York | 2 at Long Arm Reservoir 8/12 (Barry and Jen Horton, Richard Cleary), and one there 8/27 (Richard Cleary). |
| American Avocet | 2011 | Aug-Nov | Carbon | one at Bald Eagle State Park 8/14 (Dave Hawk, m.ob.) |
| American Avocet | 2011 | Aug-Nov | Chester | one at Chambers Lake 8/10 (Larry Lewis, Kathleen Pileggi) |
| American Avocet | 2011 | Aug-Nov | Centre | one at Colyer Lake 8/6 (Greg Grove, et al.) |
| American Avocet | 2011 | Aug-Nov | Crawford | one at Millers Ponds 8/31-9/3 (Ronald F. Leberman, m.ob.) |
| American Avocet | 2011 | Aug-Nov | Franklin | one at Greencastle Reservoir 8/5 (Carl Garner) |
| American Avocet | 2011 | Aug-Nov | Lancaster | at the Conejohela Flats, one 8/6-7 (Bruce Carl, Tom Garner, Eric Witmer), 7 on 8/10 (Jerry Book), and one 9/10 (Bob Schutsky), and one at Octoraro Lake 8/7-8 (Shannon Thompson, Dave Wilton) |
| American Avocet | 2012 | Aug-Nov | Chester | one at Marsh Creek State Park 10/31 (m.ob.) |
| American Avocet | 2012 | Aug-Nov | Erie | one at Gull Point 8/4 (Tim Johnson) and one off Beach 11 on 10/7 (Shannon Thompson, Dave Wilton) |
| American Avocet | 2012 | Aug-Nov | Lancaster | one on the Susquehanna River 8/6 (Andy McGann) and 6 at the Conejohela Flats 9/25 (Chuck Chalfant, Dan Heathcoat, Andy McGann) |
| American Avocet | 2012 | Aug-Nov | Somerset | 3 at Lake Somerset 9/5 with one remaining to 9/9 (Mike Lanzone). |
| American Avocet | 2012 | Jun-Jul | Lancaster | one 7/14 at Avocet Point (Eric Witmer, Mike Epler) and another "bright adult bird" 7/22 at the Conewago Rail Trail (eBird, Mike Epler). |
| American Avocet | 2012 | Jun-Jul | Adams | 2 first reported by a boater 7/27 at Long Pine Run Reservoir and confirmed later that day (Bill Oyler) |
| American Avocet | 2012 | Jun-Jul | Crawford | 3 at Tamarack Lake 7/31 (Shawn Collins) |
| American Avocet | 2012 | Jun-Jul | Indiana | 5 at Yellow Creek State Park 7/24 (Margaret Higbee, ph. Jeff McDonald) |
| American Avocet | 2013 | Aug-Nov | York | 2 at Lake Redman 8/23 (Robin Smith, Dick Cleary). |
| American Avocet | 2013 | Aug-Nov | Bucks | one at Peace Valley Park 9/13 (August Mirabella, ph. Judy Mirabella) |
| American Avocet | 2013 | Aug-Nov | Cambria | up to 6 at Prince Gallitzin State Park 8/7-15 (David Gobert, John Salvetti, m.ob.) |
| American Avocet | 2013 | Aug-Nov | Erie | season total of 12 at Gull Point 8/1-9/2 (Roger Donn, Geoff Malosh, Shannon Thompson, et al.) |
| American Avocet | 2013 | Aug-Nov | Franklin | one at Kriner Road Pond 10/19 (Carl Garner, Dale Gearhart) |
| American Avocet | 2013 | Jun-Jul | Delaware | one off Little Tinicum Island in the Delaware River 7/20 (AG, et al.) |
| American Avocet | 2013 | Jun-Jul | Allegheny | 2 along the shore of the Ohio River at Brunots Island 7/20 (Mark Vass) |
| American Avocet | 2013 | Jun-Jul | Columbia | in Bloomsburg 7/27 (Jon DeBalko) |
| American Avocet | 2013 | Mar-May | Erie | one at Presque Isle State Park 5/1 (Mary Birdsong) |
| American Avocet | 2013 | Mar-May | Lancaster | one at the Conewago Recreation Trail and Wetlands 5/11 (Larry Coble fide Bruce Carl). |
| American Avocet | 2013 | Jun-Jul | Erie | season total of 7 at Gull Point, with one near Beach 6, from 6/17 (first Erie June record) to 7/26 (Roger Donn) |
| American Avocet | 2013 | Jun-Jul | Franklin | 2 at Greencastle Reservoir 7/6 (Carl Garner, Shannon Thompson, eBird). |
| American Avocet | 2014 | Aug-Nov | Allegheny | one flying over a Pine Twp. yard 8/24 (Pat Lynch, Sherron Lynch) was the fifth for the county |
| American Avocet | 2014 | Aug-Nov | Centre | one at Bald Eagle S.P. 8/12 (Michael Dreibelbis) and one there again 9/2 (Rob Dickerson, Bob Snyder, Matthew Sabatine) |
| American Avocet | 2014 | Aug-Nov | Erie | season total of 9 from 8/20-9/7 at Gull Point (Roger Donn, et al.) |
| American Avocet | 2014 | Aug-Nov | Luzerne | one at the Forty Fort Rec Fields 8/21 (Rick Koval, Stan Galenty) |
| American Avocet | 2014 | Aug-Nov | Somerset | 17 at Somerset Lake 8/12 (Jeff Payne) and 2 there 8/13 (Mike Lanzone) |
| American Avocet | 2014 | Aug-Nov | Westmoreland | one juv. at Ethel Springs Res. 8/13 (ph. Chuck Kuchta) |
| American Avocet | 2014 | Jun-Jul | Armstrong | one at Freeport 7/15 (Nicholas Kolesar, Francesca Nicolazzo) |
| American Avocet | 2014 | Jun-Jul | Berks | one seen briefly at Blue Marsh Lake 7/14 (Paul Michaly, Joan Silagy) |
| American Avocet | 2014 | Jun-Jul | Cambria | 11 at Prince Gallitzin State Park 7/14 (Renee and Kathy Lubert) |
| American Avocet | 2014 | Jun-Jul | Centre | one at Colyer Lake 7/29 (Rob Dickerson) |
| American Avocet | 2014 | Jun-Jul | Erie | a total of 21 at Gull Point in July (m.ob.) |
| American Avocet | 2014 | Jun-Jul | Lancaster | one at the Conejohela Flats 7/17 (Mike Epler, Meredith Lombard, Larry Bernhardt) |
| American Avocet | 2014 | Jun-Jul | Somerset | 3 at Somerset Lake 7/23 (Bill Cline) |
| American Avocet | 2014 | Jun-Jul | Westmoreland | 2 at Beaver Run Reservoir 7/25 (Patience Fisher) |
| American Avocet | 2014 | Jun-Jul | York | 4 at Lake Redman 7/14 (Robin Smith) with one remaining to 7/25. |
| American Avocet | 2014 | Aug-Nov | York | one at Lake Redman 9/10 (Mary Creager). |
| American Avocet | 2014 | Aug-Nov | Adams | one at Long Pine Run Res. 8/19 (Susan and Josh Donaldson) |
| American Avocet | 2015 | Jun-Jul | Lebanon | a male near Fox and Prescott Rds. 6/2-5 (Bruce Carl, m.ob. ) |
| American Avocet | 2015 | Jun-Jul | Bucks | one at Peace Valley Park 7/27 (Ken Rieker) |
| American Avocet | 2015 | Aug-Nov | Clearfield | 9 at Bimini Lake 10/7 (Dan Richards, listserv). |
| American Avocet | 2015 | Jun-Jul | Somerset | 3 over Somerset 7/7 (Mike Lanzone). |
| American Avocet | 2015 | Jun-Jul | Franklin | one at Kriner Holding Pond in Chambersburg 7/12 (David Cooney Jr., Dale Gearhart, Vernon Gauthier, V. Barnes, PABirds list) |
| American Avocet | 2015 | Jun-Jul | Lancaster | on the Susquehanna River 6/20 (Todd Smith), 8 on Conejohela Flats 7/21 (Meredith Lombard, Jeff Musser) and one there 7/30 (Mike Epler), and one at Middle Creek WMA 7/9 (Randy Miller, Bruce Carl, Ted Nichols II) |
| American Avocet | 2015 | Mar-May | Westmoreland | 6 at Beaver Run Reservoir 4/27 (ph. Mark McConaughy). |
| American Avocet | 2016 | Aug-Nov | Mercer | one photographed at the Chestnut Runswim beach, Shenango River Res. 7/19 (John Kolodzieski, Steve Sanford). |
| American Avocet | 2016 | Jun-Jul | Erie | 15 reports from Gull Point 6/19-7/15 (Bruce Hoover, Mary Birdsong, m.ob.) |
| American Avocet | 2016 | Aug-Nov | Allegheny | one at Duck Hollow 8/26 (Betty Roland) |
| American Avocet | 2016 | Aug-Nov | Bucks | one at Peace Valley Park 8/6 (August Mirabella) |
| American Avocet | 2016 | Aug-Nov | Crawford | 3 at the Pymatuning Spillway 8/6 (Michelle Kienholz) |
| American Avocet | 2016 | Mar-May | Erie | six at Presque Isle State Park 4/26 (Mary Birdsong) |
| American Avocet | 2016 | Aug-Nov | Lancaster | one at the Conejohela Flats 8/23 (Gordon Dimmig) and 3 there 9/27 (MikeEpler) |
| American Avocet | 2016 | Aug-Nov | Northumberland | 2 at the Fabridam in Sunbury 8/26 (ph. Andy Keister, eBird). |
| American Avocet | 2016 | Jun-Jul | Huntingdon | reported at Raystown L. 7/6 without details (fide Amos Swarey) |
| American Avocet | 2016 | Jun-Jul | Montgomery | one at Green Lane Park 7/16 (Jeff Hopkins) and 7/25 (Len Hillegras). |
| American Avocet | 2016 | Mar-May | Franklin | a flock of 34 at Kriner Road Retention Ponds 5/1 (Joan Bowen, Carl Garner, Dale Gearhart, Dave Cooney, Bill Oyler, et.al.), a flock of 50 at Greencastle Reservoir 5/5 (Carl Garner, Dale Gearhart) |
| American Avocet | 2016 | Mar-May | Huntingdon | a flock of 15 at Greenwood Furnace State Park 5/5 (Matt Dinsmore). |
| American Avocet | 2016 | Jun-Jul | Franklin | one at Greencastle Reservoir 6/30 (Carl Garner, Dale Gearhart) |
| American Avocet | 2016 | Aug-Nov | Erie | 5 at Gull Point 8/14 (Steve Dowlan) |
| American Avocet | 2017 | Jun-Jul | Clearfield | two at Bimini Lake 7/7 (Dan Richards) |
| American Avocet | 2017 | Jun-Jul | Erie | annual at Gull Point in small numbers in recent years, so no surprise to see two 6/23, four 7/2, and two 7/20 (Mary Birdsong) |
| American Avocet | 2017 | Jun-Jul | Lancaster | two at the Susquehanna R. Conejohela Flats 7/17 (Pete Robinson, Zachary Millen, ph.) |
| American Avocet | 2017 | Jun-Jul | Lycoming | four at Williamsport Dam 7/14 (David Brown, Maddie Dunlap, m.ob., ph.). |
| American Avocet | 2017 | Aug-Nov | Franklin | one at Greencastle Reservoir 8/24(Carl Garner, Dale Gearhart) and one at the Kriner Roadretention ponds 8/27-9/3 (Josh Danielson, Susan Donaldson,Josh Lefever, Bill Oyler) |
| American Avocet | 2017 | Mar-May | Erie | one at Presque Isle SP 4/29 (Mary Birdsong). |
| American Avocet | 2017 | Aug-Nov | Lancaster | one at the ConejohelaFlats 8/29 (Bruce Carl, Eric Witmer, Tom Garner) |
| American Avocet | 2017 | Aug-Nov | Erie | 3 at Gull Point 8/5 and one there 8/20 (both Roger Donn) |
| American Avocet | 2017 | Aug-Nov | Mercer | one at SGL 270 on 8/31 (Richard Nugent). |
| American Avocet | 2017 | Aug-Nov | Berks | one at Blue Marsh Lake 8/19 (Matt Wlasniewski) |
| American Avocet | 2018 | Jun-Jul | Erie | singles or small groups seen periodically 6/24-7/26 on Gull Point with a high of 32 there 7/15 (Mary Birdsong) |
| American Avocet | 2018 | Jun-Jul | Allegheny | found along Monongahela River near the Southside in Pittsburgh 7/3 (fide Claire Staples, Sue Solomon) |
| American Avocet | 2018 | Jun-Jul | Armstrong | one at beach of Crooked Creek SP 7/16 (Marjorie Van Tassel, ph.) |
| American Avocet | 2018 | Mar-May | Potter | 4 at Lyman Run SP 5/7 (Brandon Snavely). |
| American Avocet | 2018 | Aug-Nov | Erie | season total of 48 at Gull Point 7/1-8/23 (m.ob.) and one at Edinboro University 8/1 (Jamie Hill) |
| American Avocet | 2018 | Aug-Nov | Franklin | 4 at Two Turn Road 9/5 (Bob Koontz, Bill Oyler) and one at Greencastle Reservoir 9/15 (Carl Garner, Bob Carmack, Marian Carmack) |
| American Avocet | 2018 | Aug-Nov | Lancaster | 4 on 8/10 (Jerry Book, Mike Epler), 2 on 8/25 (Mike Epler), and one 9/26 (Meredith Lombard), all at Conejohela Flats. |
| American Avocet | 2018 | Mar-May | Clearfield | 9 at Bimini Lake 5/2 (Dan Richards, Nick Voris, Nathan Weyandt) |
| American Avocet | 2018 | Jun-Jul | Montgomery | 2 flew by Green Lane Reservoir 7/26 (Paul Heveran). |
| American Avocet | 2019 | Aug-Nov | Allegheny | 10 on Ohio River at Brunot's Island 9/23 (fide Bob Mulvihill, m.ob.) |
| American Avocet | 2019 | Mar-May | Erie | 5 at Presque Isle SP 4/26 (Jerry McWilliams) |
| American Avocet | 2019 | Mar-May | Somerset | 6 at Somerset Lake 4/11 (John Coughenour). |
| American Avocet | 2019 | Aug-Nov | Erie | month-long total of 28 at Gull Point in Aug (m.ob.) including a high count of 14 on 8/18 (Jamie Hill), and 3 there 10/31-11/1 (Michael Williams, Jennifer Ferrick, Justin Berkheimer) |
| American Avocet | 2019 | Aug-Nov | Somerset | 28 at Somerset Lake 8/18 (Chris Payne, Jeff Payne, Linda Greble). |
| American Avocet | 2019 | Jun-Jul | Allegheny | three appeared in stormy weather at North Park 7/19 (David Prentice) |
| American Avocet | 2019 | Mar-May | Adams | flock of 17 at Lake Heritage 5/4 (Callan Murphy) |
| American Avocet | 2019 | Mar-May | Cumberland | one along Mudlevel Rd. 5/26 through the season (Kent Davis, et al.) |
| American Avocet | 2019 | Jun-Jul | Chester | one at the Octoraro Reservoir 6/28 (Larry Lewis) |
| American Avocet | 2019 | Jun-Jul | Erie | frequently reported, mostly at Gull Point 6/28 to end of season, with a high of 9 (fide Jerry McWilliams) |
| American Avocet | 2019 | Jun-Jul | Lancaster | two at Conejohola Flats 7/21 (Bruce Carl, Eric Witmer) and 6 there 7/28 (Eric Witmer) |
| American Avocet | 2019 | Jun-Jul | Tioga | one at Brown's Pond Ridge Rd (John Corcoran). |
| American Avocet | 2020 | Aug-Nov | Clarion | one at Kahle Lake 8/12-15 (Barbara Keister, m.ob.) |
| American Avocet | 2020 | Aug-Nov | Crawford | 2 at Pymatuning SP 8/17 (ph. David Keith) |
| American Avocet | 2020 | Aug-Nov | Erie | season total of 36 at Gull Point 8/2-16 (Jerry McWilliams, Mary Birdsong) |
| American Avocet | 2020 | Aug-Nov | Franklin | one at Kriner Road 9/3 (Carl Garner, Bob Koontz, Bill Oyler, Chris Payne, Rebecca Perucci) |
| American Avocet | 2020 | Aug-Nov | Lycoming | one at Williamsport Dam 8/11 (Bobby Brown, et al.) |
| American Avocet | 2020 | Mar-May | Lycoming | 13 at Williamsport Dam 4/18 (Maddi Dunlap, Jean Dalton, et al.). |
| American Avocet | 2020 | Jun-Jul | Mercer | three at Shenango Prop. Area 7/29 (Kim Springer, et al.) |
| American Avocet | 2020 | Jun-Jul | York | one at Codorus SP 7/9 (Peter Martin, Renae Weidner, ph.). |
| American Avocet | 2020 | Mar-May | Centre | eight at Nittany Farms Pond 4/18 (Julia Plummer, et al.) |
| American Avocet | 2020 | Jun-Jul | Allegheny | one at Riverfront Park on south side of Pittsburgh 7/24 (Emily Eckel, m.ob.) |
| American Avocet | 2020 | Jun-Jul | Bucks | one 7/31 at sewage pond in Buckingham Twp. (Richard Smith, ph.) |
| American Avocet | 2020 | Jun-Jul | Montgomery | one at Green Lane Park 7/23 (Joanne Depietro, ph.) |
| American Avocet | 2020 | Jun-Jul | Erie | one circling Gull Point, viewed from the north pier 7/11 (Jerry McWilliams), then one or two at Gull Point 7/3 and 7/18-20, and eight there 7/29 (Mary Birdsong) |
| American Avocet | 2020 | Jun-Jul | Lancaster | two at Conejohela Flats 7/28 (Steve Scmidt) |
| American Avocet | 2020 | Aug-Nov | Centre | 3 at Black Moshannon SP 9/28 (Constance Miksits, Greg Moyer) |
| American Avocet | 2020 | Aug-Nov | Montgomery | one at Green Lane Park 8/28 (Paul Heveran) |
| American Avocet | 2020 | Aug-Nov | Tioga | one at the Ives Run Rec. Area 9/6-7 (Ken Cooper, Lisa Doud, Dale and Karen Plumley, Gary Tyson). |
| American Avocet | 2020 | Mar-May | Erie | up to two at Edinboro Lake 4/20 and 4/30 (Jamie Hill) |
| American Avocet | 2020 | Aug-Nov | Adams | 2 at Long Pine Run Reservoir 8/20 (Annemarie Sciarra, Bob Koontz, Bill Oyler) |
| American Avocet | 2020 | Aug-Nov | Bucks | one at Core Creek Park 8/12 (Dennis Passman fide Dwight Molotsky) |
| American Avocet | 2020 | Jun-Jul | Indiana | two at West Penn Trail 7/24 (m.ob.) |
| American Avocet | 2020 | Mar-May | Crawford | one at Miller Ponds 5/30 (Ron Leberman) |
| American Avocet | 2021 | Jun-Jul | Bucks | two at Penn-Warner Tract 7/1 (Jim Hartley) |
| American Avocet | 2021 | Jun-Jul | Delaware | seen from Delaware River/Hog Island Rd 7/2 (RF, MM). |
| American Avocet | 2021 | Jun-Jul | Erie | at Gull Point 6/19, 20, & 23 and 3 there 7/26 (Mary Birdsong, m.ob.). |
| American Avocet | 2021 | Aug-Nov | Lancaster | one at Middle Creek WMA 8/4 (Jim Fiorentino, m.ob.) |
| American Avocet | 2021 | Aug-Nov | Westmoreland | one at Keystone SP 10/21 (Steve Wagner) |
| American Avocet | 2021 | Jun-Jul | Adams | three 7/25 at Long Pine Run Reservoir (Ian Clarke, David Clooney, Kris Groelsema) |
| American Avocet | 2021 | Aug-Nov | Dauphin | one at Susquehanna River Heritage Park 8/14 (Steve Schmit) |
| American Avocet | 2021 | Aug-Nov | Delaware | one at Hog Island 9/6 (John Zygmunt, Al Guarente, Damon Orsetti) |
| American Avocet | 2021 | Aug-Nov | Erie | one at Gull Point 8/14 (Roger Donn), another there 8/30 (Mary Birdsong), and one at mouth of Elk Creek 10/5 (Brian Gula fide Roger Donn) |
| American Avocet | 2021 | Mar-May | Westmoreland | 30 at Bush Recreation Area of Loyalhanna Creek 4/25 (Tom Moser). |
| American Avocet | 2021 | Aug-Nov | York | 2 at Lake Redman 9/6 (Bob Reiter et al.). |
| American Avocet | 2022 | Aug-Nov | Adams | 2 at Long Arm Reservoir 8/5 (Evan Vaeth), same birds as in York |
| American Avocet | 2022 | Aug-Nov | Allegheny | 6 at Oakmont 8/22 (Virginia McQuown) with one remaining to the next day |
| American Avocet | 2022 | Aug-Nov | Centre | 10 at Bald Eagle SP9/22 (Alice Fork) |
| American Avocet | 2022 | Aug-Nov | Erie | one at Gull Point 8/4 (Mary Birdsong), up to 2 there 8/19-21 (Ruth Swaney, Roger Donn), and as many as 7 there 8/11 (Eric Hall, Jenna Kunst) |
| American Avocet | 2022 | Aug-Nov | Franklin | 3 at Antrim Commons Ponds 8/22 (Kyle Rambo, Bob Keener, Chris Payne, Rebecca Payne) |
| American Avocet | 2022 | Aug-Nov | Lancaster | 7 at the Conejohela Flats 8/22 (Larry Bernhardt, Derek Stoner) and one there 10/9 (Eric Witmer) |
| American Avocet | 2022 | Aug-Nov | Lehigh | one at Leaser Lake 8/15 (Lisa Poor) |
| American Avocet | 2022 | Aug-Nov | Lycoming | one at Williamsport Dam 8/20 (Bobby Brown, Deb Brown, Bob Brown) |
| American Avocet | 2022 | Aug-Nov | Mercer | one at Greenville 8/18 (E. White) |
| American Avocet | 2022 | Aug-Nov | Monroe | one at Goldsboro SP8/30 (Jon Mularcyzk) |
| American Avocet | 2022 | Aug-Nov | Schuylkill | 11 at Landingville Dam and Marsh 8/30 (Jonathan DeBalko, et al.) |
| American Avocet | 2022 | Aug-Nov | York | 2 at Long Arm Reservoir 8/5 (Evan Brooks, Bob Reiter), same birds as in Adams. |
| American Avocet | 2022 | Mar-May | Allegheny | flock of 13 at Point in Pittsburgh 4/26 (Ryan O'Rourke) |
| American Avocet | 2022 | Mar-May | Lancaster | one at Middle Creek WMA 5/6 (Steve Ferreri, et al.). |
| American Avocet | 2023 | Mar-May | Clearfield | one at Curwensville Lake 4/17 (John Forcey, Jerod Skebo) |
| American Avocet | 2023 | Mar-May | Crawford | one at Miller Ponds 4/17 (Atlee Detweiler, Joshua Heiser, Yianni Laskaris, Brian Miller, Michael Williams) |
| American Avocet | 2023 | Mar-May | Erie | one 4/19-21 at Presque Isle State Park (Steve Schmit, et al.) |
| American Avocet | 2023 | Mar-May | Monroe | one at Gouldsboro State Park 4/17 (Jon Mularczyk), second county record for Monroe |
| American Avocet | 2023 | Mar-May | Wayne | one at Gouldsboro State Park 4/17 (Jon Mularczyk), second county record for Monroe |
| American Avocet | 2023 | Mar-May | Northumberland | one at Watsontown Memorial Park 4/17 (Brian Freiwald). |
| American Avocet | 2023 | Aug-Nov | Allegheny | one at Duck Hollow 10/3 (Lisa Kaufman) |
| American Avocet | 2023 | Aug-Nov | Centre | one at Bald Eagle State Park 9/20 (Dan Hannon, Susan Braun) and one detected by nocturnal flight call in Bellefonte 9/20 (Julia Plummer) |
| American Avocet | 2023 | Aug-Nov | Chester | one at Octoraro Res. 9/26-27 (Ross Gallardy et al.) |
| American Avocet | 2023 | Aug-Nov | Erie | season total of 11 at Gull Point 8/1-9/5 (m.ob.) |
| American Avocet | 2023 | Aug-Nov | Lancaster | three at Middle Creek W.M.A. 9/13-10/16 (Steve Ferreri) |
| American Avocet | 2023 | Aug-Nov | Schuylkill | three at the Auburn desilting basin 8/13 (Dave Kruel). |
| American Avocet | 2023 | Jun-Jul | Adams | two were at Long Arm Reservoir 7/15 (Conor Gable, m.ob.) |
| American Avocet | 2023 | Jun-Jul | Berks | two, apparently finding no suitable place to land, spent much of the afternoon of 7/16 flying back and forth around L. Ontelaunee (Linda Ingram, Tom Lecky, Brian Lineaweaver, Peter & Jane Wolfe ph.) |
| American Avocet | 2023 | Jun-Jul | Cambria | two were seen at Prince Gallitzin SP Marina 7/21 (Dave Gobert) |
| American Avocet | 2023 | Jun-Jul | Clinton | on 7/24 one discovered at the Ohl/McElhatten Reservoir near Loganton (m.ob.) was a first county record |
| American Avocet | 2023 | Jun-Jul | Dauphin | two were observed flying north on Susquehanna River 7/16 (Steve Schmit) |
| American Avocet | 2023 | Jun-Jul | Delaware | one at Delaware River/Hog Island Rd 7/1 (John Zygmunt, m.ob.) |
| American Avocet | 2023 | Jun-Jul | Erie | season total of 23 reported and a maximum one-day count of 12 on 7/28 (Mary Bird) |
| American Avocet | 2023 | Jun-Jul | Lycoming | one was found at Williamsport Dam 7/17 (Kirsten Steliga, m.ob.), providing the fifth Lycoming record |
| American Avocet | 2023 | Jun-Jul | York | one was found at Codorus State Park 7/14 (Carol Myers, Evan Vaeth, Cathleen Wetzel) and then a pair were seen at Long Arm Reservoir the next day, 7/15 (Evan Brooks, Mary Creager, Connor Gable) on both Adams and York shorelines. |
| American Avocet | 2024 | Mar-May | Bedford | 14 at Shawnee State Park 5/4 (Aaron Graham) |
| American Avocet | 2024 | Mar-May | Erie | three at Presque Isle State Park 5/7 (Ruth Swaney) |
| American Avocet | 2024 | Mar-May | Somerset | one at Quemahoning Reservoir 5/4 (Linda Grebe). |
| American Barn Owl | 2024 | Mar-May | Blair | detected by NFC at Plummer's Hollow Nature Reserve 4/1 (Mark Bonta) |
| American Barn Owl | 2024 | Mar-May | Franklin | two nesting at undisclosed locations |
| American Barn Owl | 2024 | Mar-May | Juniata | reported at undisclosed locations |
| American Barn Owl | 2024 | Mar-May | Montgomery | detected by NFC in Huntingdon Valley 3/25 (Josh Cooper), Wyndmoor 4/7 (Jason Fehon) and at Franconia Twp 4/17 (Scott Godshall) |
| American Barn Owl | 2024 | Mar-May | Montour | one in April (location and observer not listed). |
| American Bittern | 1992 | Oct-Dec | Chester | 1 at Kurtz's Fish Farm 11/1 (Bob Schutsky, Cathy Hicks) |
| American Bittern | 1992 | Oct-Dec | Erie | 1 on 11/15 (see Notes) |
| American Bittern | 1992 | Oct-Dec | Crawford | 8/1 Conneaut Marsh (Ronald F. Leberman) |
| American Bittern | 1992 | Oct-Dec | York | 9/11 |
| American Bittern | 1992 | Oct-Dec | Armstrong | 1 at Keystone Res. 10/2 (Margaret Higbee, Nancy Karp) |
| American Bittern | 1993 | Jan-Mar | Butler | 1 at Moraine SP 2/16-18 (Larry Adams, fide Gene Wilhelm) is very rare for western PA in winter. It appeared just before the weather turned severe |
| American Bittern | 1993 | Oct-Dec | Centre | 1 from 10/3-5 at Linden Hall (Katherine & Jennings Jones) |
| American Bittern | 1993 | Oct-Dec | Indiana | 1 at Yellow Creek SP 11/9 (Margaret Higbee, Greg Cook, Gloria Lamer, Linda Wagner) |
| American Bittern | 1993 | Oct-Dec | Lancaster | 1 at Washington Boro 10/7 (J. Heller, B. Schutsky) |
| American Bittern | 1993 | Oct-Dec | Westmoreland | 1 at Powdermill Nature Reserve 10/4 (Bob Leberman) |
| American Bittern | 1993 | Oct-Dec | York | 1 up to 10/31 at Spring Grove (Al Spiese) |
| American Bittern | 1994 | Oct-Dec | Lancaster | 1 at Bainbridge 9/18 (Tom Garner, Eric Witmer) |
| American Bittern | 1994 | Oct-Dec | Philadelphia | 1 at Tinicum 9/18 (Skip Conant) |
| American Bittern | 1994 | Oct-Dec | Bucks | 1 on 10/21 at New Hope (Bill Hoehne) |
| American Bittern | 1994 | Oct-Dec | Cumberland | 1 on 10/9 at Kuhn L. (Don & Robyn Henise) |
| American Bittern | 1994 | Oct-Dec | Indiana | 1 on 11/14 at Yellow Creek SP (Gloria Lamer) |
| American Bittern | 1994 | Oct-Dec | Potter | 1 on 10/8 at Lehman Hollow (Larry Mehal) |
| American Bittern | 1995 | Oct-Dec | Lancaster | 1 on 10/4 and 10/22 at Washington Boro (Bob Schutsky, Eric Witmer) |
| American Bittern | 1995 | Jan-Mar | Montgomery | 1 on 12/7 at Green Lane Res. (Kevin Crilley) |
| American Bittern | 1995 | Oct-Dec | Sullivan | 1 on 8/23 at Shuman's L. (Skip Conant) |
| American Bittern | 1996 | Jan-Mar | Crawford | 1 on 3/30 at Conneaut Marsh (Issac Fields) |
| American Bittern | 1996 | Oct-Dec | Chester | 1 on 10/19 at Malvern (Tony Fernandes) |
| American Bittern | 1996 | Oct-Dec | Lancaster | 1 on 10/6 and 10/27 at Washington Boro (Bob Schutsky) |
| American Bittern | 1996 | Oct-Dec | Montgomery | 1 on 10/24 (Kevin Crilley) and 11/2 (George Franchois) at Green Lane Res |
| American Bittern | 1997 | Jan-Mar | Carbon | 1 on 3/22 at Beltzville SP was early and 1st record in 8 years (David Hawk, Robert Frantz, Barry Reed) |
| American Bittern | 1997 | Jan-Mar | Montgomery | 1 on 3/26 at Green Lane Res. (Kevin Crilley) |
| American Bittern | 1997 | Oct-Dec | Crawford | 1 on 11/3 at Pymatuning (Anthony Marich Jr) |
| American Bittern | 1997 | Oct-Dec | Lebanon | 1 on 10/19 at Memorial L. SP was late (Randy Miller) |
| American Bittern | 1997 | Oct-Dec | Schuylkill | 1 on 10/12 at Landingville Dam (Tom Clauser) |
| American Bittern | 1998 | Jan-Mar | Cumberland | 1 on 1/3 at the Huntsdale Fish Hatchery was a rare winter record; (Ramsay Koury) |
| American Bittern | 1999 | Oct-Dec | Bucks | Present up to 10/6 at Pine Run (Ken Reiker) |
| American Bittern | 1999 | Oct-Dec | Centre | 1 on 10/4 |
| American Bittern | 1999 | Oct-Dec | Bucks | 1 on 9/30 at Silver Lake Park (Bob Mercer) |
| American Bittern | 1999 | Oct-Dec | Cambria | 1 on 8/9 at Prince Gallitzin State Park (John Salvetti) |
| American Bittern | 1999 | Oct-Dec | Erie | 1 on 9/22 at Roderick WMA (Jean & Toby Cunningham) |
| American Bittern | 1999 | Oct-Dec | Philadelphia | 1 on 8/21 at Tinicum NWR |
| American Bittern | 1999 | Oct-Dec | Potter | 1 on 8/6 at Shinglehouse (Tom Leete) |
| American Bittern | 1999 | Oct-Dec | Philadelphia | Present up to 11/30 at John Heinz NWR (Paul Muntean) |
| American Bittern | 1999 | Oct-Dec | Westmoreland | 1 on 10/14 at Powdermill Nature Reserve (Bob Leberman) |
| American Bittern | 2000 | Jan-Mar | Delaware | 1 on 1/2-19 at Darby Creek (John Damico, Doris McGovern, John Miller) |
| American Bittern | 2000 | Jan-Mar | Juniata | 1 on 2/28 at Oakland Mills (Paul Weaver) |
| American Bittern | 2000 | Jan-Mar | Clinton | 1 on 3/23-27 at Mill Hall (Steve Bason, Wayne Laubscher) |
| American Bittern | 2000 | Oct-Dec | Clarion | 1 on 9/16 at Brady's Bend (Mark McConaughy) |
| American Bittern | 2000 | Jan-Mar | Philadelphia | 1 on 1/9 at the Airport area (Jim McKinney) |
| American Bittern | 2000 | Oct-Dec | Armstrong | 1 on 9/16 at Brady's Bend (Mark McConaughy) |
| American Bittern | 2000 | Jul-Sep | Philadelphia | Present from 7/16-30 at John Heinz NWR at Tinicum |
| American Bittern | 2000 | Jul-Sep | Westmoreland | Present part of the quarter |
| American Bittern | 2000 | Oct-Dec | York | 1 on 8/20 at Brunner's Island (Al Spiese) and 1 on 8/25 at Codorus State Park (Ed Kurtz) |
| American Bittern | 2000 | Oct-Dec | Erie | 1 on 10/29 at Presque Isle State Park (Sam Stull) |
| American Bittern | 2000 | Oct-Dec | Lancaster | 1 on 10/14-15 at Bainbridge |
| American Bittern | 2000 | Jan-Mar | Philadelphia | Present to 12/18 at Tinicum (Denis Brennan) |
| American Bittern | 2001 | Jan-Mar | Berks | 1 on 3/31 was in a marsh near Eckville was early (Kenneth & Dorothy Grim) |
| American Bittern | 2001 | Jul-Sep | Bucks | 1 observed 9/24 at Rohm & Haas (Devich Farbotnik) |
| American Bittern | 2001 | Jul-Sep | Dauphin | 1 recovered 8/23 along Beaver Creek on the eastern edge of Lower Paxton Twp.(Ken Mengle) after rehabilitation was released at Wildwood Lake 8/28 (Beth and John Carricato) |
| American Bittern | 2001 | Jul-Sep | Luzerne | (P) |
| American Bittern | 2001 | Jul-Sep | Montour | 8/30 |
| American Bittern | 2001 | Jul-Sep | Sullivan | 1 on 7/6 at a farm pond in Cherry Township (A. Leach) |
| American Bittern | 2002 | Jan-Mar | Lycoming | 1 from 3/28-3/31 in Old Lycoming Twp.(D. Ferry) |
| American Bittern | 2003 | Jun-Jul | Tioga | Two in the Muck (Duane Hoffman to PABL). |
| American Bittern | 2004 | Jun-Jul | Philadelphia | a lone bird continued to be seen into this season in the marshy edges of the coves at Tinicum National Wildlife Refuge |
| American Bittern | 2004 | Jun-Jul | York | one was seen again 7/17 at Codorus State Park (Karen Lippy), and another was seen 7/31 near Shrewsbury (Randy Phillips) |
| American Bittern | 2005 | Jun-Jul | Bucks | at Quakertown Swamp at least to 6/6 (Bill Etter) |
| American Bittern | 2005 | Jun-Jul | McKean | heard in swamp and reported to the Atlas Project (John Fedak) |
| American Bittern | 2005 | Jun-Jul | Northampton | one flew over a marshy area in Mt. Bethel 6/2 (Sherri LaBarr) |
| American Bittern | 2005 | Jun-Jul | Bradford | one heard calling 6/20 at the pond in the Standing Stone area (William Reid) |
| American Bittern | 2005 | Jun-Jul | Crawford | one flushed at Hartstown Marsh 7/22 (Ron Leberman) |
| American Bittern | 2006 | Jun-Jul | Washington | One reported flying north over US-22 in northwestern Washington 7/13 (Wes Fritz fide Mark Vass). |
| American Bittern | 2006 | Jun-Jul | Snyder | One seen flying over Middle Creek Twp. 6/6 (Mick Brown) |
| American Bittern | 2006-2007 | Dec-Feb | Chester | One at Sadsburyville 12/17-12/18 (Jay Edge) |
| American Bittern | 2006-2007 | Dec-Feb | Warren | One flew into the side of a shed during a storm 1/20 but was apparently unharmed (Keith Confer Tony Fera). |
| American Bittern | 2007 | Jun-Jul | Tioga | Heard calling 6/13 and responded to playback at 9 of 11 stations 6/14 in the Muck IBA (Dianne Franco Robert Ross) and a fledged juvenile seen 7/4 (Andy Wilson Atlas). |
| American Bittern | 2007 | Jun-Jul | Clinton | Near Mill Hall 6/27-28 (Wayne Laubscher Tom Amico. listserv) |
| American Bittern | 2007 | Jun-Jul | Crawford | at Geneva 6/239283 7/31 (Ronald F. Leberman Robert C. Leberman) and Gordon Rd Harmonsburg area 6/22 (Chris Lundberg Atlas) |
| American Bittern | 2007 | Jun-Jul | Delaware | at the Tinicum mitigation area along the Delaware R. 6/10 (Al Guarante) |
| American Bittern | 2007 | Jun-Jul | Bradford | Near Bentley Creek 7/15 (Tony Liguori) |
| American Bittern | 2007-2008 | Dec-Feb | Cumberland | One at Trout Run Preserve, Harrisburg CBC, 12/15 (Chris Rebert). |
| American Bittern | 2008 | Jun-Jul | Lycoming | A single was flushed along Little Pine Creek just north of Little Pine Lake 7/6 (Kate Miller and Randy Miller). |
| American Bittern | 2008 | Jun-Jul | Bradford | Very small roadside pond bird in cattails in block 36B25 on 6/12 (Larry Brown, Sr., Atlas) |
| American Bittern | 2008 | Jun-Jul | Crawford | Noted at Geneva 6/6 and two were there 6/20 (Ron Leberman, Robert Leberman) |
| American Bittern | 2008 | Jun-Jul | Cumberland | One on several evenings flying into Mountain Road marsh at SGL 169 through the start of Jul (Andrew Markel) |
| American Bittern | 2008-2009 | Dec-Feb | Philadelphia | one at Tinicum 1/4 (Lynn Roman, et al.). |
| American Bittern | 2011 | Jun-Jul | Huntingdon | at Old Crow wetland near Huntingdon 6/14 (David Kyler, Trudy Kyler). |
| American Bittern | 2011-2012 | Dec-Feb | Philadelphia | one at Tinicum from the fall was last noted 1/1 (Doris McGovern). |
| American Bittern | 2011-2012 | Dec-Feb | Cumberland | one at Huntsdale Hidden Pond 12/5 (Paul Banks) |
| American Bittern | 2012 | Jun-Jul | Sullivan | one in Kettle Creek Bog 6/3 (Susan Killeen, Judy Ford) |
| American Bittern | 2012 | Jun-Jul | Tioga | one 6/21 at Marsh Creek (eBird, Nate Fronk, Jim Dunn). |
| American Bittern | 2012 | Jun-Jul | Lebanon | one calling near Iron Valley Drive 6/14-17 (Jim Fiorentino) |
| American Bittern | 2013 | Jun-Jul | Allegheny | at Wingfield Pines 6/2 (fide Shannon Thompson) |
| American Bittern | 2013 | Jun-Jul | Dauphin | one at the Milton S. Hershey School campus ponds 6/7 (Nate McKelvie), and one near Cummings Swamp just north of Millersburg 7/27 (Jim Flowers) |
| American Bittern | 2013 | Jun-Jul | Lancaster | one at Middle Creek Wildlife Management Area 6/29 (Robert Slater) |
| American Bittern | 2013 | Jun-Jul | Luzerne | seen and heard during PSO field trips 6/2 at Mountain Springs Lake and again 6/26 (Doug Gross, m.ob.) and 7/15 (Trudy Gerlach, eBird). |
| American Bittern | 2013-2014 | Dec-Feb | Philadelphia | one at John Heinz N.W.R. 12/2-2/8 (m.ob.). |
| American Bittern | 2014 | Jun-Jul | Chester | one at Exton Park in late May continued through 6/26 (Brian Quindlen, George D. Tallman, m.ob.) |
| American Bittern | 2014 | Jun-Jul | Luzerne | continued throughout the month of Jun at the previously confirmed breeding location "The Meadows" (Eric Zawatski, Andy Keister, Jonathan DeBalko) |
| American Bittern | 2014 | Jun-Jul | Philadelphia | one passed Pennypack on the Delaware 7/27 (Frank Windfelder) |
| American Bittern | 2014 | Jun-Jul | Somerset | one at Buffalo Creek 6/10 (Jeff Payne, Chris Payne) and another over the Lanzone property (Mike and Tricia Lanzone) |
| American Bittern | 2014 | Jun-Jul | Tioga | at the Muck, Marsh Creek during a Game Commission survey 6/27 (Lauren Fenstermacher, Steve Ferreri). |
| American Bittern | 2014 | Jun-Jul | Berks | at Blue Marsh Lake 7/31 (Joan Silagy) |
| American Bittern | 2014 | Jun-Jul | Bucks | one at Core Creek Park 7/31 (Henry D'Alessandro) |
| American Bittern | 2014-2015 | Dec-Feb | Dauphin | one at Wildwood L. 12/3 (Ian Gardner). |
| American Bittern | 2015 | Jun-Jul | Cameron | at 4-Mile Rd. 7/27 (Brandon Snavely, eBird) |
| American Bittern | 2015 | Jun-Jul | Carbon | one at SGL 40 wetlands 7/12 (Rich Rehrig, eBird) |
| American Bittern | 2015 | Jun-Jul | Philadelphia | 2 at Tinicum 7/27 (David Allen, Jaclyn Janis). |
| American Bittern | 2015 | Jun-Jul | Dauphin | one at Wildwood Lake 7/9 (Ed Bernot) |
| American Bittern | 2015 | Jun-Jul | Mercer | calling at Pennsy Swamp 6/11 (Sheree Daugherty) |
| American Bittern | 2015-2016 | Dec-Feb | Philadelphia | one at Tinicum 12/3 (Scott Reynolds). |
| American Bittern | 2016 | Jun-Jul | Delaware | one at John Heinz NWR 7/27 (Paul Bernhardt) |
| American Bittern | 2016 | Jun-Jul | Lehigh | one in retention ponds of Bimbo Bakery 7/5 (Nathan Lewis, eBird) |
| American Bittern | 2016 | Jun-Jul | Monroe | one at Long Pond 6/2 and 6/14, at Lynchwood L. 7/27 (Bruce Johnson, eBird, ph.), and at the Birchwood Wetlands 6/19 (Tim Grover, eBird) |
| American Bittern | 2016 | Jun-Jul | Tioga | heard and observed flying in the Muck IBA 7/5 (Ken Cooper, eBird). |
| American Bittern | 2017 | Jun-Jul | Northampton | one in Stockertown at the Rod & Gun Club 6/7 (Carolyn Metzgar) |
| American Bittern | 2017 | Jun-Jul | Luzerne | one in marshy area of Frances Slocum SP 6/3 (Kay Strickland, eBird) |
| American Bittern | 2017 | Jun-Jul | Indiana | reported flying over Indiana 7/19 (James Pumford, Joseph Pumford), represents only county summer record |
| American Bittern | 2017 | Jun-Jul | Tioga | one at The Muck, Marsh Creek 6/3 (Deuane Hoffman, eBird). |
| American Bittern | 2017-2018 | Dec-Feb | Berks | one at Maiden Creek swamp 12/23 (Kyle Klotz). |
| American Bittern | 2018 | Jun-Jul | Crawford | one seen flying at Geneva Marsh 6/21 (Ron Leberman) and another heard at Erie NWR 6/30 (Ron Leberman) |
| American Bittern | 2018 | Jun-Jul | Juniata | one seen in flight at Port Royal Speedway 7/28 (Chad Kauffman) |
| American Bittern | 2018 | Jun-Jul | Pike | one at Peck's Pond 6/11 (Dennis Miranda) |
| American Bittern | 2018 | Jun-Jul | Wayne | one at White Oak Pond 6/6 (John Harvey). |
| American Bittern | 2018 | Jun-Jul | Snyder | one reported 7/22 along Troxellville Rd reported present for a week (Brandon Weader) |
| American Bittern | 2018 | Jun-Jul | Tioga | one in Marsh Creek-The Muck 7/3 (Deuane Hoffman, eBird) |
| American Bittern | 2018-2019 | Dec-Feb | Delaware | one at John Heinz NWR 12/2-15 (Geoff Veith et al.) and seen for Delaware County CBC. |
| American Bittern | 2018-2019 | Dec-Feb | Philadelphia | one at John Heinz NWR 12/2-15 (Geoff Veith et al.) and seen for Delaware County CBC. |
| American Bittern | 2018-2019 | Dec-Feb | Berks | one at Rodale Experimental Farm during Lehigh Valley CBC 12/15 (Todd Watkins) for third county record |
| American Bittern | 2019 | Jun-Jul | Centre | one or two regularly observed 6/3-7/18 at Scotia Barrens and Pond (Brent Bacon, m.ob.), but not confirmed breeding |
| American Bittern | 2019 | Jun-Jul | Crawford | two seen flying of Pymatuning SP at Hartstown 6/25 (Michael Williams) |
| American Bittern | 2019 | Jun-Jul | Elk | seen in Rasselas Marsh 6/10, 7/14 , and two 6/12 (Brendyn Baptiste, eBird) |
| American Bittern | 2019 | Jun-Jul | Sullivan | seen near town of Ricketts 7/7 (Aidan Place, Tessa Rhinehart) |
| American Bittern | 2019 | Jun-Jul | Wayne | flushed from Prompton Lake in Prompton SP 6/15 (Andy Keister) |
| American Bittern | 2019 | Jun-Jul | Westmoreland | one at Donegal Lake 7/30 (Patience Fisher). |
| American Bittern | 2019-2020 | Dec-Feb | Lancaster | one at Woods Edge Park 12/8-15 (Mike and Megan Zettlemoyer, m.ob.). |
| American Bittern | 2020 | Jun-Jul | Chester | one in flight over west side of Struble Lake 6/20 (J. Atkins, eBird) |
| American Bittern | 2020 | Jun-Jul | Crawford | at Tamarack Lake 6/18 (Ron Leberman) |
| American Bittern | 2020 | Jun-Jul | Elk | heard near Ridgway 6/13 (Colvin Chapman) |
| American Bittern | 2020 | Jun-Jul | Indiana | one flew over West Penn Trailhead 6/29 (Bill Oyler) |
| American Bittern | 2020 | Jun-Jul | Monroe | a high flyover was photographed 7/26 at Mount Pocono Airport (Bruce Johnson, ph.) |
| American Bittern | 2020 | Jun-Jul | Pike | one heard 7/17 (Bradley White, eBird) and two seen 7/18 (Michael Schall, ph, eBird) at Shohola WMA |
| American Bittern | 2020 | Jun-Jul | Wayne | one heard 6/8 at 7p.m. at White Oak Pond (John Harvey, eBird) and one heard 6/12 at Farrell Corners Fen on marsh bird survey (Chris Fischer, eBird) |
| American Bittern | 2020 | Jun-Jul | Westmoreland | one reported 7/25 at Northmoreland Park (Hope Huntington). |
| American Bittern | 2021-2022 | Dec-Feb | Berks | one at Lake Ontelaunee 12/12 (Todd Underwood) |
| American Bittern | 2021-2022 | Dec-Feb | Dauphin | one near Millersburg 12/28-1/8 and seen on Curtin CBC 12/28 (Scott & Stephanie Bills) |
| American Bittern | 2021-2022 | Dec-Feb | Erie | one at Tom Ridge Environmental Center 12/8 (Brian Gula). |
| American Bittern | 2022 | Jun-Jul | Sullivan | found at SGL 66 Shuman's Lake 6/11 (Chris DeMarco) |
| American Bittern | 2022 | Jun-Jul | Susquehanna | heard at SGL 236 Central 6/7 (Chris Fischer), on 6/11 (Gary Stone Barb Stone), and again 6/22 (Chris Fischer) |
| American Bittern | 2022 | Jun-Jul | Tioga | observed at Muck Game Lands 6/1 (Ken Cooper). |
| American Bittern | 2022-2023 | Dec-Feb | Franklin | one at a residence near St. Thomas 12/27 or 12/28 to 2/24 (Pat Walls, Fred Walls, m.ob.). |
| American Bittern | 2023 | Jun-Jul | Bradford | one reported in wetlands near New Albany 6/25 (Galen Groff, eBird, no doc) |
| American Bittern | 2023 | Jun-Jul | Indiana | one near Union Cemetery 7/22 (Henry Rummel) was the third summer record |
| American Bittern | 2023 | Jun-Jul | Luzerne | one continued to 6/2 at the Hayfield Farms (Rick Koval, Wendy Koval, Jim Joyson, Jim Shoemaker) |
| American Bittern | 2023 | Jun-Jul | Warren | two were spotted flying over Camp Stone on 6/19 (Yonatan Simkovich). |
| American Bittern | 2023-2024 | Nov-Feb | Philadelphia | one at John Heinz NWR 12/31 (Casey Butcher) and 1/13 (Abigail McBride). |
| American Black Duck | 2014 | Jun-Jul | Chester | one at White Clay Creek Park 6/19 (W. Brian Henderson). |
| American Coot | 1992 | Jul-Sep | Erie | One on 7/14 at Presque Isle SP Linda McWilliams |
| American Coot | 1992 | Oct-Dec | Indiana | One at Yellow Creek SP on 9/20 (Jim Dearing) |
| American Coot | 1994 | Oct-Dec | Erie | 20 at Presque Isle 9/18 (McWilliams) |
| American Coot | 1994 | Oct-Dec | Indiana | 29 at Yellow Creek SP 9/30 (Gloria Lamer) |
| American Coot | 1994 | Jul-Sep | Westmoreland | present part of quarter |
| American Coot | 1994 | Oct-Dec | Luzerne | present at Harveys L. from 9/25+ (Reid) |
| American Coot | 1994 | Oct-Dec | York | 1 at Codorus SP 8/29 (Al Spiese) |
| American Coot | 2002 | Jul | Indiana | Two at Yellow Creek State Park on 7/30 (M. Higbee, S. Speedy) |
| American Coot | 2004 | Aug-Nov | Berks | on 8/15, 8 adult and 2 juveniles at Glen Morgan Lake |
| American Coot | 2004 | Jun-Jul | Bradford | seen near Canton on 6/7 (Sharon May) |
| American Coot | 2005 | Jun-Jul | Beaver | at the New Brighton boat launch of Beaver River thru the period (Mark Vaas) |
| American Coot | 2005 | Jun-Jul | Washington | one seen at acid mine pond along Hahn Rd. 7/11 (Mark Vass-PABL) |
| American Coot | 2006 | Jun-Jul | Crawford | Six chicks at Custards 6/24 was a rare find here (Bob Van Newkirk) |
| American Coot | 2006 | Jun-Jul | Beaver | One on 6/2 at the New Brighton boat launch and at the Big Beaver Wetlands (Mark Vass) |
| American Coot | 2006 | Jun-Jul | Washington | Solitary individual seemed to have taken up a permanent residence at AMD Pond in North Strabane Twp. was present throughout the winter and spring and was still present to at least 7/31 (Mark Vass). |
| American Coot | 2008 | Jun-Jul | Fayette | At Jacob's Creek Lake 6/20 (Mike Fialkovich) |
| American Coot | 2008 | Jun-Jul | Somerset | Lingering to 6/3 near Kingwood on a large pond (Jeff and Lauretta Payne) |
| American Coot | 2008 | Jun-Jul | Washington | Resident bird at the pond in N. Strabane Twp. was still present this season (Mark Vass, Geoff Malosh, et al.). |
| American Coot | 2009 | Jun-Jul | Washington | one spent another summer at the AMD Pond on Hahn Road in North Strabane Twp. |
| American Coot | 2009 | Jun-Jul | Lehigh | At Dorney Landfill through at least 6/6 (Bill Weber). |
| American Coot | 2011 | Jun-Jul | Lawrence | found 6/24 at Wampum-New Galilee marsh (Mark Vass). |
| American Coot | 2011 | Jun-Jul | Bucks | one at Five Mile Woods Preserve 6/21 (Bill Keim) and another at Churchville Park 7/2 (Henry D'Alessandro, Mark Gallagher) |
| American Coot | 2011 | Jun-Jul | Centre | one at the Duck Pond 7/18- 23 (Drew Weber) |
| American Coot | 2014 | Jun-Jul | Lebanon | at Memorial Lake State Park 7/17 (Ed Barrell) and Stover's Dam 7/25-28 (Alan Wells, Randy C. Miller) |
| American Coot | 2014 | Jun-Jul | Indiana | at Yellow Creek S.P. 6/24-7/1 (m.ob.) |
| American Coot | 2014 | Jun-Jul | Lancaster | on the Conejohela Flats 6/1 (Eric Witmer, Bruce Carl) and one on the Conewago Recreation Trail and Wetlands 6/6 (Lou Carpenter) |
| American Coot | 2014 | Jun-Jul | York | at Brunner Island 6/2 (Dave Kerr, Dean Newhouse). |
| American Coot | 2014 | Jun-Jul | Chester | on the pond at Exton Park through 6/4 (Brian Qundlen) and another lingered at Chambers Lake though 6/3 (Rick Robinson) |
| American Coot | 2017 | Jun-Jul | Bucks | one at Silver Lake Park 7/3 (Dawn Denner ph.) added to a handful of previous July reports |
| American Coot | 2017 | Jun-Jul | Erie | one seen by kayakers at Long Pong, Presque Isle 6/2 (Carole Winslow, eBird). |
| American Coot | 2018 | Jun-Jul | Lancaster | continued at Chestnut Grove Natural Area 6/2 (Patricia & Richard Williams) |
| American Coot | 2018 | Jun-Jul | Philadelphia | one at John Heinz NWR impoundments 7/29 (Patrick McGill, eBird) |
| American Coot | 2018 | Jun-Jul | Susquehanna | at Hollister's Pond 6/19 (Edmund Burdick). |
| American Coot | 2018 | Jun-Jul | Cumberland | one at Opossum Lake 7/5 (Vern Gauthier, Andrea Gingerich, eBird) |
| American Coot | 2018 | Jun-Jul | Crawford | one at Geneva Marsh 6/25 (Margaret Higbee, Roger Higbee, Rob Hodgson, Ken Pinnow) and 6/26 (Mary Alice Koeneke, Glenn Koppel) |
| American Coot | 2019 | Jun-Jul | Berks | at Lake Ontelaunee 7/23 (Jo Spilde), 2 were there 7/27 (Todd Underwood), and one continued into Aug (m.ob.) |
| American Coot | 2019 | Jun-Jul | Lebanon | two at Balmer Farm Ponds 6/1-16 (Jonathan Heller, Bruce Carl). |
| American Coot | 2020 | Jun-Jul | Butler | at SGL 95 in early June (Gene Wilhelm) |
| American Coot | 2020 | Jun-Jul | Allegheny | one at North Park 7/25 (Kelly Pennington, eBird) |
| American Coot | 2020 | Jun-Jul | Philadelphia | one at Franklin Delano Roosevelt Park 6/1 and 6/10 during breeding census (Nicole Cesare, eBird) and 6/7 (Robert Karchnyak, eBird). |
| American Coot | 2022 | Jun-Jul | Cambria | one reported from Marina Rd., Prince Gallitzin SP 6/17 (Cameron Farabaugh) |
| American Coot | 2022 | Jun-Jul | Centre | spotted 6/21 at Bald Eagle SP (Robert Snyder). |
| American Coot | 2023 | Jun-Jul | Centre | spotted 7/18 at Dreibelbis Birding Area |
| American Coot | 2023 | Jun-Jul | Erie | one reported at Lampe Campground 6/10 (Joyce Reid, eBird) |
| American Coot | 2023 | Jun-Jul | Huntingdon | non-breeding individual was at Old Crow wetlands 7/6-13 (m.ob.). Lycoming |
| American Coot | 2023 | Jun-Jul | Philadelphia | one reported at John Heinz NWR impoundment 6/30 (Deborah Hansen, eBird) |
| American Coot | 2023 | Jun-Jul | Snyder | one reported at "The Levels" along Middle Creek 7/7 (Jessica Sauder, eBird) |
| American Coot | 2023 | Jun-Jul | Somerset | one was present at Somerset Lake until 6/16 but not found later (Jeff Payne). |
| American Flamingo | 2023 | Aug-Nov | Franklin | two at a farm pond on Long Lane, St. Thomas Twp 9/6-11 (John Carter) with one remaining there to 9/19 after the other was injured by a snapping turtle and taken to rehab, part of a large region-wide invasion of the species following Hurricane Idalia accepted by PORC. |
| American Golden-Plover | 1992 | Oct-Dec | Lancaster | 55 on 9/25 at the Conjehola Flats, Jonathan Heller, et al |
| American Golden-Plover | 1992 | Oct-Dec | Butler | One on 9/11 at Wolf Creek Narrows, Gene Wilhelm |
| American Golden-Plover | 1992 | Oct-Dec | Cumberland | 2 on 9/21 at Mud Level Rd. (Don & Robyn Henise) |
| American Golden-Plover | 1992 | Oct-Dec | Delaware | 4 on 9/30 at Tinicum (John Miller) |
| American Golden-Plover | 1992 | Oct-Dec | Erie | Total of 14 reported 9/5 to 9/25 (Ed Kwater, Geoff Robinson, Bob Schutsky, Jerry McWilliams) |
| American Golden-Plover | 1993 | Oct-Dec | Clarion | 2 at Kahle L. 10/31 (Fred Crowley) |
| American Golden-Plover | 1993 | Apr-Jun | Erie | 1 on 4/29 at Presque Isle SP (Jerry McWilliams) |
| American Golden-Plover | 1993 | Oct-Dec | Cumberland | 1 at Mud Level Rd. 10/5 (Don Henise) |
| American Golden-Plover | 1993 | Oct-Dec | Erie | 1 at Presque Isle 10/11 (J. McWilliams) |
| American Golden-Plover | 1993 | Oct-Dec | Lancaster | present up to 10/31 at Washington Boro (J. Book, T. Garner) |
| American Golden-Plover | 1993 | Oct-Dec | Montour | a high of 85 was seen on 10/18 at the PP&L Montour Power Plant (Dan Brauning) and 2 were still there on 11/14 (Wes Egli) |
| American Golden-Plover | 1994 | Apr-Jun | Cumberland | 3 at Mud Level Rd. 4/1; high of 6 on 5/10; and 2 on 5/12 (Don Henise) |
| American Golden-Plover | 1994 | Oct-Dec | Cumberland | 3 on 10/4 at Mud Level Rd (Deuane Hoffman) |
| American Golden-Plover | 1994 | Oct-Dec | Erie | 1 on 10/1 and 10/31 at Presque Isle SP (Jerry McWilliams) |
| American Golden-Plover | 1994 | Oct-Dec | Lancaster | Last seen 10/22 at Washington Boro (Pamela Woodman) |
| American Golden-Plover | 1994 | Oct-Dec | Somerset | 1 on 10/2 at the Garret Mudflats (Scott Bastian) |
| American Golden-Plover | 1995 | Oct-Dec | Berks | Seen at L. Ontelaunee from 10/1-30 with a high of 6 on 10/29(Matt Wlasniewski) |
| American Golden-Plover | 1995 | Oct-Dec | Erie | 1 on 10/22 at Presque Isle SP (Jerry McWilliams) |
| American Golden-Plover | 1995 | Oct-Dec | Indiana | 1 on 10/3 at Yellow Creek SP (Margaret Higbee, et al) |
| American Golden-Plover | 1995 | Oct-Dec | Lancaster | Present from 10/1 to 10/8 with a high of 52 (high) on 10/4 at Washington Boro (Bob Schutsky) |
| American Golden-Plover | 1996 | Apr-Jun | Cumberland | 1 on 4/13 and 2 on 4/17 at Mud Level Rd (Don & Robyn Henise) |
| American Golden-Plover | 1996 | Oct-Dec | Lancaster | present up to 10/26 at Washington Boro (Bob Schutsky) |
| American Golden-Plover | 1996 | Oct-Dec | Northampton | 22 on 10/18 at Martin's Creek (Rick Wiltraut) |
| American Golden-Plover | 1996 | Oct-Dec | Butler | 1 on 10/23-24 at Butler Twp. (Debra Yovanovich) |
| American Golden-Plover | 1996 | Oct-Dec | Crawford | present from 10/5-28 with a high of 8 on 10/10 at Pymatuning (Ed Kwater, Paul Rodewald) |
| American Golden-Plover | 1996 | Oct-Dec | Erie | 1 on 10/9 at Fairview (Jerry McWilliams) |
| American Golden-Plover | 1997 | Apr-Jun | Bedford | 1 on 5/18 at Dunnings Creek (Bill Sweeney, Estelle Ruppert, Dave Young) |
| American Golden-Plover | 1997 | Oct-Dec | Lawrence | 7 on 10/6 at Plain Grove (John Fedak) |
| American Golden-Plover | 1997 | Oct-Dec | Northampton | 4 on 10/14 at Martins Creek Fly Ash Basin (Rick Wiltraut) |
| American Golden-Plover | 1997 | Oct-Dec | Philadelphia | 10 on 11/16 near Carpenter's Woods (Steve Lawrence) |
| American Golden-Plover | 1997 | Apr-Jun | Clarion | 2 on 4/5 at Mt. Zion (John Fedak) |
| American Golden-Plover | 1997 | Apr-Jun | Lancaster | 1 on 4/20 at Washington Boro (Jerry Book) |
| American Golden-Plover | 1997 | Apr-Jun | Lawrence | 1 on 5/6 and 3 on 5/10 in the Amish Area (Barb & George Dean, Linda Wagner, Suzanne Butcher) |
| American Golden-Plover | 1997 | Oct-Dec | Cumberland | 8 on 10/3 at Ridge Rd. (Deuane Hoffman) |
| American Golden-Plover | 1997 | Oct-Dec | Erie | 1 on 10/5 at Fairview (Jerry McWilliams) |
| American Golden-Plover | 1997 | Oct-Dec | Lancaster | recorded up to 10/12 at Washington Boro (Bob Schutsky et al) |
| American Golden-Plover | 1999 | Oct-Dec | Montgomery | 1 on 10/20 at Green Lane Reservoir (Kevin Crilley, Jason Horn) |
| American Golden-Plover | 1999 | Apr-Jun | Crawford | 1 on 4/18 at Miller Pond (Isaac Field, Ron Leberman) |
| American Golden-Plover | 1999 | Oct-Dec | Franklin | 1 on 10/19 and 2 on 10/22 at Greencastle Reservoir (Dale Gearhart) |
| American Golden-Plover | 1999 | Oct-Dec | Lancaster | 9 on 10/16 at New Holland (Scott McConnell) |
| American Golden-Plover | 2000 | Oct-Dec | Crawford | 1 on 9/22 at Pymatuning (Ron Leberman) |
| American Golden-Plover | 2000 | Oct-Dec | Bucks | 1 on 8/25 at Buckinham (August Mirabella) and 1 on 9/25 at Pine Run (August Mirabella) |
| American Golden-Plover | 2000 | Oct-Dec | Lancaster | Present from 10/4-7 |
| American Golden-Plover | 2000 | Oct-Dec | Montour | 8 on 10/18 at the Montour Fly Ash Basin (Dan Brauning) |
| American Golden-Plover | 2000 | Oct-Dec | Beaver | 1 on 8/12 at New Galilee (Barb Dean) |
| American Golden-Plover | 2000 | Oct-Dec | Erie | 1 on 9/2 and 4 on 9/21 at Presque Isle State Park (Jerry McWilliams) |
| American Golden-Plover | 2000 | Oct-Dec | Northampton | 4 on 9/14-30 at Martins Creek (Rick Wiltraut, Mike Schall) |
| American Golden-Plover | 2000 | Apr-Jun | Allegheny | 1 on 4/10 at Imperial (Fred & Carol McCullough) |
| American Golden-Plover | 2000 | Apr-Jun | Venango | 1 on 5/10 at Kahle Lake (Jerry Stanley, Gary Edwards) |
| American Golden-Plover | 2000 | Oct-Dec | Northampton | 2 on 10/13 and 1 on 10/27 at Martins Creek (rick Wiltraut) |
| American Golden-Plover | 2000 | Oct-Dec | Bucks | Present up to 10/7 at Pine Run Reservoir (Devich Farbotnik, Ken Rieker) |
| American Golden-Plover | 2000 | Oct-Dec | Erie | 3 on 10/10 at Presque Isle State Park (Dick Bollinger) |
| American Golden-Plover | 2001 | Apr-Jun | Crawford | 1 on 4/27 at Miller Ponds (Ron Leberman) |
| American Golden-Plover | 2002 | Apr-Jun | Bucks | 1 at the Penn Warner Tract 4/27 (Devich Farbotnik) |
| American Golden-Plover | 2002 | Apr-Jun | Lancaster | 1 on 4/24 at the Conejohela Flats (Bob Schutsky) |
| American Golden-Plover | 2003 | Mar-May | Bucks | 1 on 5/26 at the Penn-Warner Tract was only the second spring record for Bucks (Devich Farbotnik) |
| American Golden-Plover | 2003 | Mar-May | Northampton | 1 on 5/26 at Mt. Pleasant Road (Arlene Koch) |
| American Golden-Plover | 2004 | Aug-Nov | Dauphin | 2 were found in a field along Hoernerstown Rd. in South Hanover Township 8/24 (Tom Johnson). |
| American Golden-Plover | 2005 | Mar-May | Lebanon | one in alternate plumage along North Mt. Pleasant Road 5/22 (Randy Miller, Kate Miller) |
| American Golden-Plover | 2006 | Mar-May | Lebanon | one at Mount Pleasant Rd. 4/16 (Tom Johnson) to 4/26 (Randy Miller, Kate Miller) first April record. |
| American Golden-Plover | 2006 | Mar-May | Crawford | single birds at the Pymatuning Game Management Area 4/20 (Mark Vass) and 5/2 (Ronald Leberman) |
| American Golden-Plover | 2009 | Mar-May | Berks | 2 at Evansville Road near Lake Onteulanee 5/29 (Ken Lebo, Matt Wlasniewski). |
| American Golden-Plover | 2010 | Mar-May | Crawford | one at the Miller Ponds 4/10 and 4/15 (Ronald Leberman) |
| American Golden-Plover | 2010 | Mar-May | Cumberland | one at Mudlevel Road 4/4 (Andy Markel, Mike Wieble). |
| American Golden-Plover | 2012 | Mar-May | Franklin | one along Kriner Road on the south edge of Chambersburg 5/11-12 (Carl Garner). |
| American Golden-Plover | 2013 | Mar-May | Erie | one at Presque Isle State Park 5/8 (Drew Mortensen). |
| American Golden-Plover | 2015 | Mar-May | Erie | one or 2 at Presque Isle State Park 5/9 and 5/12 (Shannon Thompson, Mary Birdsong). |
| American Golden-Plover | 2015 | Jun-Jul | Lawrence | one on Black Rd. at the Volant Strips 7/19 (ph. Annette Devinney). |
| American Golden-Plover | 2016 | Mar-May | Indiana | one at West Lebanon (Tom Betts, Steve Gosser, ph.). |
| American Golden-Plover | 2017 | Mar-May | Erie | one at Presque Isle SP 5/18 (Mary Birdsong). |
| American Golden-Plover | 2018 | Jun-Jul | Erie | one in breeding plumage feeding in unplanted field near Fairview 6/3 (Tom Hitt). |
| American Golden-Plover | 2018 | Mar-May | Franklin | 2 at Greencastle Reservoir 5/23 (Carl Garner, Gavin Anderson, Bill Oyler) |
| American Golden-Plover | 2018 | Mar-May | Lebanon | one at Mt. Pleasant Rd. (Jonathan Heller, et al.). |
| American Golden-Plover | 2021 | Mar-May | Crawford | one at Miller Ponds 5/15-18 (Deborah Kalbfleisch, Michael Williams, Claire Nicolls). |
| American Golden-Plover | 2022 | Mar-May | Centre | 2 at Tadpole Road 5/14-15 (Roana Fuller, et al.) |
| American Golden-Plover | 2022 | Mar-May | Elk | one near Kersey 4/16 (Chelsea Beck) |
| American Golden-Plover | 2022 | Mar-May | Erie | one at Presque Isle SP 3/26-30 (Andrew M.) |
| American Golden-Plover | 2022 | Mar-May | Fayette | one at Duck Pond Road 3/29 (fide Matthew Juskowich, m.ob.). |
| American Golden-Plover | 2023 | Mar-May | Adams | one at the Buttonwood Road Farm Pond 4/4 (Cy Deitz, Linette Mansburger) |
| American Golden-Plover | 2023 | Mar-May | Erie | one at Presque Isle State Park 4/21 (Tim Lenz). |
| American Golden-Plover | 2024 | Mar-May | Northampton | one at Green Pond 4/27-28 (Adam Miller). |
| American Goshawk | 2023 | Mar-May | Bedford | one at the Allegheny Front Hawk Watch (date and observer not listed) |
| American Goshawk | 2023 | Mar-May | Erie | one at the Presque Isle Hawk Watch 3/16 (Jerry McWilliams, Don Snyder, Ken Felix), one flew past the Tom Ridge Environmental Center Tower 4/21 (Jason Bojczyk) |
| American Goshawk | 2023 | Mar-May | Warren | two unmated birds in established territories in Allegheny National Forest during the season (Scott Stoleson, Don Watts). |
| American Goshawk | 2023-2024 | Nov-Feb | Cameron | one at Sinnemahoning SP 1/30 (Justin Waid) |
| American Goshawk | 2023-2024 | Nov-Feb | Clinton | one near Farrandsville 2/7 (Wayne Laubscher) |
| American Goshawk | 2023-2024 | Nov-Feb | Elk | an immature in Moshannon SF 12/31 (Brendyn Baptiste) |
| American Goshawk | 2023-2024 | Nov-Feb | Lehigh | one seen 12/15 and 12/29 in Allentown (Grant Stevenson) |
| American Goshawk | 2023-2024 | Nov-Feb | Potter | one at a residence off Baker Hollow Rd 12/2 (Robert Edkin) |
| American Goshawk | 2023-2024 | Nov-Feb | Schuylkill | one at Hawk Mt 12/11 (Bracken Brown). |
| American Goshawk | 2024 | Mar-May | Erie | an immature at the Presque Isle Hawkwatch 3/28 and another 4/28 (Jason Bojczyk) |
| American Goshawk | 2024 | Mar-May | Lycoming | one in the southern part of the county 4/28 (Bobby Brown, Dave Ferry, m.ob.). |
| American Oystercatcher | 1993 | Apr-Jun | Carbon | 1 was seen and photographed at Beltzville SP 4/2 by Rick Wiltraut. (See separate note) |
| American Oystercatcher | 2003 | Aug-Nov | Bedford | One 9/19 Dunnings Creek (T. Dick) |
| American Oystercatcher | 2003 | Aug-Nov | Bucks | One 9/19 Nockamixon SP (B. Etter) |
| American Oystercatcher | 2006 | Aug-Nov | Philadelphia | Found in the wake of Ernesto on 9/3 on an abandoned pier at Snyder Ave. along the Delaware River (Devich Farbotnik Jason Horn). |
| American Oystercatcher | 2007 | Mar-May | Bucks | one at Nockamixon S. P. 4/19 (Rob Fergus) second county record. |
| American Oystercatcher | 2012 | Aug-Nov | Bedford | 2 at Shawnee State Park 10/30 (Mike Lanzone, Jeff Payne, Tom Dick, doc submitted) |
| American Oystercatcher | 2012 | Aug-Nov | Bucks | one at Nockamixon State Park 10/30 (Devich Farbotnik, Billy Weber, ph. Bill Etter, doc submitted) and one at the Penn-Warner Tract 10/30 (Devich Farbotnik, Billy Weber, no doc) |
| American Oystercatcher | 2012 | Aug-Nov | Dauphin | 3 at West Fairview 10/30 (Jarrod Derr, Ramsay Koury, David McNaughton, no doc) |
| American Oystercatcher | 2012 | Aug-Nov | Delaware | 2 on the Delaware R. at Marcus Hook 10/30 (Chris Langman, Tom Johnson, Al Guarente, et al., doc submitted). |
| American Oystercatcher | 2017 | Mar-May | Bedford | 2 at Dunnings Creek Wetlands 5/6 (Tom Dick, no doc) |
| American Oystercatcher | 2017 | Mar-May | Philadelphia | one in flight at Pennypackon the Delaware 3/18 (Frank Windfelder, no doc). |
| American Oystercatcher | 2018 | Mar-May | Delaware | one at Fort Mifflin 4/15 (Al Guarante, doc submitted - record accepted by PORC vote). |
| American Oystercatcher | 2018 | Jun-Jul | Delaware | one at Delaware River - Ft. Mifflin/Hog Island 6/2 (Al Guarente). |
| American Oystercatcher | 2020 | Mar-May | Delaware | one at Fort Mifflin 3/24 (Rob Fergus) and 3/29 (Al Guarente), doc submitted |
| American Oystercatcher | 2020 | Mar-May | Philadelphia | one at Philadelphia Naval Yard 3/29 (George Armistead, Liam Hart), doc submitted. |
| American Oystercatcher | 2022 | Mar-May | Bucks | one at Peace Valley Park 3/25 (Linda Hamp). |
| American Pipit | 1992 | Oct-Dec | Philadelphia | One on 9/19 at Tinicum |
| American Pipit | 1992 | Jul-Sep | Venango | One on 7/26 (Gary Freed, Russ States) |
| American Pipit | 1992 | Oct-Dec | Cumberland | Two on 9/30 at Mud Level Rd. (Don & Robyn Henise); 2 on 9/21 at Little Gap Bird Observatory (Rick Wiltraut) |
| American Pipit | 1994 | Oct-Dec | Bucks | present at Nockamixon SP from 9/15+ (Farbotnik) |
| American Pipit | 1994 | Jul-Sep | Erie | present part of the quarter |
| American Pipit | 1994 | Oct-Dec | Indiana | 1 at Yellow Creek SP 9/27 (Higbee et al) |
| American Pipit | 1994 | Oct-Dec | Lancaster | 1 at Washington Boro 9/11 was early (EBNT) |
| American Pipit | 1994 | Oct-Dec | Cumberland | 1 on Mud Level Rd. 9/22 (Henise) |
| American Pipit | 2000 | Oct-Dec | Erie | Present from late September at Presque Isle State Park |
| American Pipit | 2000 | Oct-Dec | Huntingdon | 5 on 8/18 at Huntingdon (David Kyler) |
| American Pipit | 2000 | Oct-Dec | Mercer | 4 on 9/23 at Shenango River Reservoir (Troyer Family) |
| American Pipit | 2001 | Jul-Sep | Butler | Up to 21 were counted at Lake Oneida in September (Debbie Yovanovich) |
| American Pipit | 2001 | Jul-Sep | Westmoreland | 2 on 9/14 at Imperial(Chuck Tague, S Varley) |
| American Pipit | 2007 | Jun-Jul | Lebanon | Along Mt. Pleasant Rd. 6/2 a new late date (Randy C. Miller). |
| American Pipit | 2022 | Jun-Jul | Bucks | 3 at Bradford Dam 7/26 (Vinobha Pannerselvam, no doc.). |
| American Redstart | 1992 | Oct-Dec | Butler | 1 in Slippery Rock Twp.10/4 (Suzanne Butcher et al) |
| American Redstart | 1992 | Oct-Dec | Cumberland | 1 at SGL 169 10/4 (Don & Robyn Henise) |
| American Redstart | 1992 | Oct-Dec | Philadelphia | 1 at Bartram Gardens 10/24 (Jack Siler) |
| American Redstart | 1992 | Oct-Dec | Westmoreland | 1 at Powdermill Nature Reserve 11/5 (Bob Leberman, Bob Mulvihill) |
| American Redstart | 1993 | Oct-Dec | Adams | 2 at Warbler Woods 10/4 (A&E Kennell) |
| American Redstart | 1993 | Oct-Dec | Berks | last seen at Leesport 10/10 (D. Kendall) |
| American Redstart | 1993 | Oct-Dec | Bucks | Last seen at Peace Valley Park 10/8 |
| American Redstart | 1993 | Oct-Dec | Cumberland | 1 at Shippensburg Univ. 10/7 (D. Henise) |
| American Redstart | 1998 | Oct-Dec | Delaware | present up to 10/5 at Smedley Park (Nick Pulcinella) |
| American Redstart | 1998 | Oct-Dec | Erie | present up to early October at Presque Isle State Park (Jerry McWilliams) |
| American Redstart | 1998 | Oct-Dec | York | Present up to 10/3 at Wrightsville (Jack & Lil Downs) |
| American Redstart | 2001 | Oct-Dec | Westmoreland | 1 on 10/31 at Powdermill Nature Preserve (Robert C. Leberman) |
| American Redstart | 2001 | Oct-Dec | Indiana | 1 on 10/4 at Blue Spruce County Park (Evelyn Fowles, Margaret Higbee, Dennis Lauffer) |
| American Redstart | 2001 | Oct-Dec | Bucks | 1 on 10/16 at Core Creek Park (Devich Farbotnik) |
| American Redstart | 2003-2004 | Dec-Feb | Delaware | one in Secane 12/4 |
| American Redstart | 2004-2005 | Dec-Feb | Snyder | a lone bird that first appeared at a Middle Creek Twp.feeder in early Nov and remained to 12/11 |
| American Redstart | 2015-2016 | Dec-Feb | Delaware | one on the Bridle Trail at Ridley Creek S.P. 12/19 (Brian Byrnes, F. Arthur McMorris). |
| American Redstart | 2023-2024 | Nov-Feb | Berks | a molting male along the Schuylkill R. Trail in Reading 12/24-1/1 (Bill Ulrich, m.ob.) |
| American Redstart | 2023-2024 | Nov-Feb | Delaware | an adult male at John Heinz NWR 2/3 (Jim McConnell). |
| American Tree Sparrow | 2001 | Jul-Sep | Juniata | Early observation (9/30) by Elmer Petersheim at Mexico Ridge |
| American White Pelican | 1992 | Jul-Sep | Philadelphia | One was seen in the Ft. Mifflin area 8/14-19 (Bob Schutsky, et al). There are approximately 20 records for the state, probably the 1st SE PA record since 1928 |
| American White Pelican | 1992 | Oct-Dec | Philadelphia | 1 near Ft. Mifflin 10/3 (Al Guarente) |
| American White Pelican | 1993 | Oct-Dec | Lancaster | 2 on 8/22 at the Susquehanna R. Conejohela Flats (Jerry Book, Tom Garner, ph, Eric Witmer) |
| American White Pelican | 1995 | Apr-Jun | Erie | 4 on 5/15-19, with 1 present until 5/21, at Presque Isle SP (Jerry McWilliams) |
| American White Pelican | 1996 | Oct-Dec | Lycoming | 21 on 9/22 at Indian Park in Montoursville is a record number for the state (no details) (Charlie Schwarz) |
| American White Pelican | 1996 | Oct-Dec | Montour | 3 on 9/23-30 at Montour Preserve was a 1st county record (m. obs.) |
| American White Pelican | 1996 | Oct-Dec | Montour | the 3 birds from the previous quarter stayed until 10/2 |
| American White Pelican | 1997 | Apr-Jun | Lancaster | 1 on 5/17-18 at Washington Boro (Randy Miller, et al) |
| American White Pelican | 1998 | Apr-Jun | Erie | 3 on 5/18 at Presque Isle SP (Deuane Hoffman)(no details) |
| American White Pelican | 1998 | Jan-Mar | Erie | 1 on 3/22-27 at Presque Isle SP (Dave Darney, Debbie Yovanovich) |
| American White Pelican | 1999 | Apr-Jun | Somerset | 1 on 5/18-19 at Somerset Lake was a 1st county record (PFBC Personnel) |
| American White Pelican | 1999 | Oct-Dec | Montour | 1 on 8/24 at Montour Preserve (Robert Bleiler) |
| American White Pelican | 1999 | Oct-Dec | Fayette | 1 on 11/7 at Jacob's Creek Lake (Randi Gerrish, et al) |
| American White Pelican | 2001 | Apr-Jun | Centre | 1 during mid-April at Bald Eagle State Park (Dan Snell, Don & Robyn Henise) |
| American White Pelican | 2001 | Jul-Sep | Crawford | Adult on 7/19 at Pymatuning Lake between the Linesville Fish Hatchery and Ford Island by Ron and Robert Leberman |
| American White Pelican | 2001 | Jul-Sep | Erie | 1 adult on 7/19 at Presque Isle (J. McWilliamSPhoto) |
| American White Pelican | 2002 | Aug-Nov | Crawford | 1 on 10/14 at the Jamestown Area of Pymatuning Lake |
| American White Pelican | 2003 | Jun-Jul | Erie | 1 on 7/8 at Presque Isle SP and subsequently seen by many observers on 7/11 and 7/12 (Ben Coulter) |
| American White Pelican | 2003 | Aug-Nov | Crawford | One 8/30 Linesville Fish Hatchery (R. Leberman) |
| American White Pelican | 2004 | Mar-May | Lawrence | 1 at Black Swamp 3/26 (Bill Etter) |
| American White Pelican | 2004 | Mar-May | Clinton | 1 flying over Kettle Creek SP 5/11 was a first county record (John Freund) |
| American White Pelican | 2004 | Mar-May | Erie | 1 at Presque Isle SP 5/8-9 (Ben Coulter) |
| American White Pelican | 2004 | Aug-Nov | Mercer | Five were flybys at Williamson Rd. 8/2 (Neil Troyer) |
| American White Pelican | 2004 | Mar-May | Northumberland | 1 on the Susquehanna River, seen from Selinsgrove and Herndon 4/26-27 (Mick Brown, Deuane Hoffman) |
| American White Pelican | 2004 | Mar-May | Westmoreland | 1 at Keystone SP 5/25-27 was a first county record (Karen Jackson, Mark McConaughy). |
| American White Pelican | 2005 | Mar-May | Crawford | one near the Pymatuning Lake Spillway 5/28 (Marvin Byler, Gene Butcher, Suzanne Butcher, Neil Troyer) |
| American White Pelican | 2005 | Mar-May | Erie | one at Presque Isle State Park 4/29 |
| American White Pelican | 2005 | Jun-Jul | Crawford | two observed 6/3 flying near the spillway of Pymatuning Reservoir and again seen 6/11 (Jack Christman, Ron Leberman, Mark Vass); and an immature was seen at the Fish Hatchery 7/25 (Ron Leberman, Robert Leberman) |
| American White Pelican | 2005 | Jun-Jul | Erie | one discovered by tour boat operator Terry Smith at Gull Point on Presque Isle 7/13 |
| American White Pelican | 2005 | Aug-Nov | Philadelphia | one at John Heinz NWR at Tinicum 11/5 (Denis Brennan, Brian Byrnes, m. obs.) |
| American White Pelican | 2006-2007 | Dec-Feb | Montgomery | One bird at Green Lane reservoir 12/14-16 (Len and Judy Hillegas) a first county record. |
| American White Pelican | 2007 | Jun-Jul | Warren | On the Allegheny River 6/3 in Starbrick (Jack Hamlin John Schultz William Hill). |
| American White Pelican | 2007 | Mar-May | Dauphin | one 5/28 near Perdix (reported by a fisherman). It was relocated 5/29 on the Susquehanna R. about a mile south of the Clarks Ferry Bridge (Chuck Chalfant Deuane Hoffman et al.) |
| American White Pelican | 2007 | Jun-Jul | Lancaster | one near the Peach Bottom Power Plant 5/31 (Michael Sankovich) and 6/1 (Bob Schutsky). |
| American White Pelican | 2010 | Mar-May | Erie | one at Presque Isle StatePark 5/15 (Jimmy Marz, m.ob.). |
| American White Pelican | 2011 | Mar-May | Erie | one at Presque Isle State Park 5/23-24 (Michele Franz), and possibly the same bird 5/29 (Scott Kinzey) |
| American White Pelican | 2011 | Mar-May | Mercer | one at the Lake Wilhelm marina 4/25 (ph. Scott Kinzey). |
| American White Pelican | 2011 | Aug-Nov | Crawford | one near Ford Island 10/17-11/5 (Scott Kinzey). |
| American White Pelican | 2012 | Mar-May | Somerset | one at Somerset Lake 3/24-25 (Mike Lanzone, Jeff Payne, Carolyn LaBute). |
| American White Pelican | 2013 | Aug-Nov | Bucks | 2 at the Penn-Warner Tract 11/2 (Jim Hartley) with one to 11/3 (ph. Steve Smith) |
| American White Pelican | 2013 | Aug-Nov | Dauphin | 3 on Haldeman Island 11/13 (Steve Bernardi, Scott Bills). |
| American White Pelican | 2014 | Aug-Nov | Lancaster | one at the Conejohela Flats 9/17-20 (Mike Epler, Tim Becker). |
| American White Pelican | 2015 | Mar-May | Lancaster | two at the Conejohela Flats 4/11-13 (Bruce Carl, et al.). |
| American White Pelican | 2015 | Jun-Jul | Erie | 2 at Gull Point 6/8-10 (Jerry McWilliams, Sara Sargent). |
| American White Pelican | 2015 | Mar-May | Erie | one at Presque Isle State Park 5/9 (George Armistead) |
| American White Pelican | 2016 | Aug-Nov | Indiana | a flock of 35-40 over Lewisville 9/21 (Marcy Cunkleman) |
| American White Pelican | 2016 | Aug-Nov | York | 35 over Rocky RidgeCounty Park 9/22 (Ken Orvis, Fred Paley, Randy Phillips). |
| American White Pelican | 2016 | Aug-Nov | Erie | one found moribund near the Harborcreek-Interstate 90 junction 10/11 later died at a rehabilitation (fide Gina Kron) |
| American White Pelican | 2016 | Mar-May | Allegheny | two flying over Duck Hollow 4/2 (Tom Moeller, Nancy Moeller, Todd Ladner), Erie |
| American White Pelican | 2017 | Jun-Jul | Mercer | one in flight heading northeast at Williams Rd. late on 6/13 provided 4th county record for Mercer (Neil Troyer) |
| American White Pelican | 2017 | Jun-Jul | York | one at Codorus SP first reported by a fisherman 7/24 (Steve Scarff) was found there next day (m.ob.), then apparently spent a few days at a nearby pond before returning to Codorus SP. last seen 8/3. |
| American White Pelican | 2017 | Mar-May | Montour | one at the Montour Preserve 4/24 (Wayne Stahl). |
| American White Pelican | 2017 | Aug-Nov | York | one continued from summer at Cordorus SP to 8/3 (m.ob.). |
| American White Pelican | 2017 | Mar-May | Crawford | 3 at the Pymatuning LakeCauseway 5/23 (Ross Gallardy, Jeff McDonald) |
| American White Pelican | 2017 | Mar-May | Erie | one in Fairview Twp. 5/15 (Leonard Graf) |
| American White Pelican | 2017-2018 | Dec-Feb | Lancaster | one on Susquehanna R. 2/25 (Mike Epler, m.ob.) |
| American White Pelican | 2018 | Mar-May | Lancaster | one at Conejohela Flats 4/15-16 (Tom Garner, m.ob.) |
| American White Pelican | 2018 | Mar-May | Northumberland | one at Redman Acres Road 4/23 (Karol Pasquinelli). |
| American White Pelican | 2019 | Jun-Jul | Delaware | five seen over Haverford College on evening of 6/4 (Kristen Johnson, Sheryl Johnson) and relocated 6/6 on Delaware River (Rob Fergus) |
| American White Pelican | 2019 | Jun-Jul | Erie | three appeared for a single day 6/2 at Gull Point for first county June record (Mary Birdsong) |
| American White Pelican | 2019 | Jun-Jul | York | flock of 20 photographed at Codorus SP 7/4-5 (m.ob.). |
| American White Pelican | 2019 | Mar-May | Butler | one at Lake Oneida 4/14 (Robert Martz) |
| American White Pelican | 2019 | Mar-May | Centre | 3 at Bald Eagle SP 5/31 (James Hubler) |
| American White Pelican | 2019 | Mar-May | Erie | one at Presque Isle SP 4/6-7 (m.ob.). |
| American White Pelican | 2019 | Aug-Nov | Crawford | one or 2 at Pymatuning spillway 9/19-27 (RL, et al.) and 5 there 9/28-29 (Tomas Nonnenmacher, et al.) |
| American White Pelican | 2019 | Aug-Nov | Erie | one at Harborcreek 8/25 (Andrea Lucarotti fide Michele Franz), was likely the same bird seen again at Gull Point 8/28 (Logan Kahle), and one at the Presque Isle channel 10/23-24 (Shannon Thompson) |
| American White Pelican | 2019 | Aug-Nov | Somerset | 2 at the Meyersdale Sewage Treatment Ponds 10/29-30 (fide Elmer Brenemann) |
| American White Pelican | 2019 | Aug-Nov | Tioga | one at Husted Pond in Roseville 8/17 (Kyle Loughner). |
| American White Pelican | 2020 | Jun-Jul | Dauphin | observed flying above Rachel Carson State Office Building-Harrisburg 6/8 (Ted Nichols III) |
| American White Pelican | 2020 | Mar-May | Lancaster | one at Conejohela Flats 5/18 (Bruce Carl), two near Falmouth 5/29 (Annette Mathes). |
| American White Pelican | 2020 | Aug-Nov | Crawford | one at Ford Island 10/14 (Ron Leberman). |
| American White Pelican | 2020 | Jun-Jul | Lancaster | seen at various points on Susquehanna River Lake Clarke 6/6-15 (Daniel Hinnesbusch , m.ob.). |
| American White Pelican | 2021 | Jun-Jul | Crawford | one at Pymatuning S.P.- Spillway 6/19 (Joshua Heiser, Tomas Nonnenmacher, Ken Pinnow) and 6/20 (Chuck Gehringer, Michael Williams) |
| American White Pelican | 2021 | Jun-Jul | Erie | seen over Erie 6/20 (Tess Rhinehart), over baseball stadium same day, and through 6/23 at Gull Point (Jerry McWilliams, m.ob.) |
| American White Pelican | 2021 | Jun-Jul | Tioga | two at Hammond Lake 6/12 (Chris Niemczyk). |
| American White Pelican | 2021 | Mar-May | Bedford | one at Shawnee SP 4/12-18 (Aimee Benitez, Whitney Territo, John Manard) |
| American White Pelican | 2021 | Mar-May | Cambria | one at Prince Gallitzin SP 4/12 (Renee Lubert) |
| American White Pelican | 2021 | Mar-May | Centre | one at Bald Eagle SP 4/16-18 (Michelle Smithbauer, et al.), third county record |
| American White Pelican | 2021 | Mar-May | Erie | one at Presque Isle SP 5/4-5 (Ruth Swaney, Jerry McWilliams) and 14 there 5/26 (Jerry McWilliams) |
| American White Pelican | 2021 | Mar-May | Mercer | one at Shenango Propagation Area 5/3 (Michael Williams). |
| American White Pelican | 2021-2022 | Dec-Feb | Fayette | one flying over Green Run Lake 2/26 (Kerry Bell) |
| American White Pelican | 2021-2022 | Dec-Feb | Huntingdon | one seen high above the Lake Raystown visitor's center 2/28 (Alicia Palmer), also seen on the water a few days earlier, a first county record. |
| American White Pelican | 2022 | Aug-Nov | Lancaster | one at Conejohela Flats 8/23-34 (Warren Brubaker, doc submitted). |
| American White Pelican | 2022 | Mar-May | Clearfield | one at Curwensville Lake 4/24-25 (John Forcey, Jerod Skebo) |
| American White Pelican | 2022 | Mar-May | Lycoming | flock of 13 at Williamsport Dam 5/18-19 (Maddi Dunlap, et al.), second county record. |
| American White Pelican | 2023 | Mar-May | Clinton | one at Ohl/McElhatten Reservoir near Logantown 5/27 (Amos Hershberger), no doc |
| American White Pelican | 2023 | Mar-May | Erie | one at Presque Isle State Park 4/26-27 (fide Jennifer Ferrick), no doc |
| American White Pelican | 2023 | Mar-May | Fayette | a flock of 45 soaring over Farmington 4/4 (Ryan Mathus, David Burleson, Patrick Woodstar), doc submitted |
| American White Pelican | 2023 | Jun-Jul | Berks | reported by an unnamed kayaker to Mike Slater on the morning of 6/16 on Blue Marsh Lake (Russell Hoffman), confirmed flying later that morning (Matt Wlasniewski) and later found on nearby E. J. Breneman Quarry until early on 6/18 (Joe Beatrice) |
| American White Pelican | 2023 | Jun-Jul | Delaware | one was photographed soaring over a Garnet Valley yard 6/26 (Ethan Kang) |
| American White Pelican | 2023 | Jun-Jul | Lancaster | one loafed around Susquehanna River Lake Clarke from 7/16 through the period (Nina Wolf, Warren Wolf, m.ob.) |
| American White Pelican | 2023 | Jun-Jul | Northampton | one was photographed on a boat dock on the Delaware R. at Riverton 6/27 (Mary Sue Gulick). |
| American White Pelican | 2023 | Mar-May | Philadelphia | one in the Germantown area 5/1 (Liam Hart, Patrick, McGill), doc submitted. |
| American White Pelican | 2023 | Aug-Nov | Lancaster | one continued from the summer on the Susquehanna River, Lake Clarke to 8/15 (m.ob.), DOC. |
| American White Pelican | 2024 | Mar-May | Erie | one at Presque Isle State Park 5/13-26 (Jack Naglick, Julia Chojnacki, Cassandra Chojnacki, Christy Hibsch, m.ob.), five there 5/25 (Eric Hall), doc submitted for all. |
| American White Pelican? | 1995 | Jan-Mar | Allegheny | 1 on the Ohio River from 1/9 to 2/13 (Paul Brown). See Summary of the Season |
| American Wigeon | 2000 | Jul-Sep | Erie | Present part of the quarter |
| American Wigeon | 2000 | Oct-Dec | Berks | 4 on 9/29 at Glen Morgan Lake and through the quarter (Ken Lebo) |
| American Wigeon | 2000 | Oct-Dec | Crawford | 1 on 8/26 at Pymatuning (Marvin Byler) and 9 on 9/30 (Ron Leberman) |
| American Wigeon | 2000 | Oct-Dec | Dauphin | 3 on 9/20 on the Susquehanna River at Harrisburg (Ramsay Koury) |
| American Wigeon | 2005 | Jun-Jul | Crawford | sighting 6/15 (Marvin Byler) |
| American Wigeon | 2008 | Jun-Jul | Lancaster | Lingered at Susquehanna River, Conejohela Flats to 6/12 (Eric Witmer). |
| American Wigeon | 2012 | Jun-Jul | Erie | Presque Isle State Park 7/4 to at least 7/13 (Jerry McWilliams). |
| American Wigeon | 2013 | Jun-Jul | Dauphin | a male was at Wildwood Lake 6/2-3 (Lou Carpenter, David McNaughton, Patricia and Richard Williams). |
| American Wigeon | 2014 | Jun-Jul | Allegheny | one at Janoski's Farm from last season stayed to 6/1 (Mark Vass) |
| American Wigeon | 2014 | Jun-Jul | Somerset | at Somerset Lake 6/14 (Andy McGann, m.ob.). |
| American Wigeon | 2014 | Jun-Jul | Crawford | at Geneva 6/21 (Ronald F. Leberman, Isaac Field) |
| American Wigeon | 2014 | Jun-Jul | Luzerne | two at Plymouth Flats on 6/7 (Jonathan DeBalko) |
| American Wigeon | 2015 | Jun-Jul | Philadelphia | 3 at Tinicum to 6/20 (Todd Watkins, Ann Reeves). |
| American Wigeon | 2016 | Jun-Jul | Chester | a drake at Longwood Gardens 6/21-22 (Kelley Nunn) |
| American Wigeon | 2016 | Jun-Jul | Indiana | one at Yellow Creek SP 6/14 (m.ob.). |
| American Wigeon | 2017 | Jun-Jul | Northumberland | observed at the Amish Pond 6/1 (Evan Houston, Eric Hartshaw) |
| American Wigeon | 2017 | Jun-Jul | Montour | a male at the Greenhouse Ponds 6/6 (Eric Hartshaw). |
| American Wigeon | 2018 | Jun-Jul | Cumberland | one at Big Spring 6/2 ((Doris Brookens, Bill Franz, Linda Franz, Vern Gauthier) |
| American Wigeon | 2018 | Jun-Jul | Erie | one at Presque Isle Gull Pt 7/21 (Shannon Thompson, eBird). |
| American Wigeon | 2019 | Jun-Jul | Chester | continued since May at Chambers L. until 6/8 (Rick Robinson, Larry Lewis, Jim Moffett) |
| American Wigeon | 2019 | Jun-Jul | Erie | adult male photographed 7/23 (James Hill III, eBird) |
| American Wigeon | 2019 | Jun-Jul | Huntingdon | female at Greenwood Furnace SP 6/2 (Nick Bolgiano). |
| American Wigeon | 2019 | Jun-Jul | Centre | at Pleasant Gap Fish Hatchery 6/6 (Julia Plummer) |
| American Wigeon | 2021 | Jun-Jul | Chester | male spent season at Exton Park (m.ob.) |
| American Wigeon | 2021 | Jun-Jul | Wayne | one flushed from Hanks Pond 6/6 (Michael Shall, eBird, ph). |
| American Wigeon | 2023 | Jun-Jul | Berks | two were still at E. J. Breneman Quarry 6/18 (Joe Beatrice) |
| American Wigeon | 2023 | Jun-Jul | Clearfield | one female-plumage on 7/10 at Curwensville Dam (John Forcey, eBird, ph.) |
| American Wigeon | 2023 | Jun-Jul | Erie | a male 6/14 at Presque Isle SP (Jason Bojczyk, eBird) |
| American Wigeon | 2023 | Jun-Jul | Montgomery | a drake was at Green Lake Park 6/30-7/10 (Len Hillegass, m.ob., ph.) was a second county record for June and a first county record for July. |
| American Woodcock | 2008-2009 | Dec-Feb | Berks | one at Bechtelsville 12/11 (Joanne Kintner) |
| American Woodcock | 2008-2009 | Dec-Feb | Northampton | one on Wild Gap-Little Creek CBC 12/14. |
| American Woodcock | 2009-2010 | Dec-Feb | Huntingdon | one in Stone Valley on Huntingdon CBC 12/20 (Margaret Brittingham) |
| American Woodcock | 2009-2010 | Dec-Feb | Lebanon | one at SGL 145 (George Tallman, Randy C. Miller) |
| American Woodcock | 2009-2010 | Dec-Feb | Northampton | one on Wild Gap 2009-2010 Little Creek CBC 12/14. |
| American Woodcock | 2014-2015 | Dec-Feb | Bucks | one at Peace Valley Park 12/1 (Ray Hendrick) |
| American Woodcock | 2014-2015 | Dec-Feb | Somerset | one during CBC count week (Mike Lanzone). |
| American Woodcock | 2014-2015 | Dec-Feb | Montgomery | one near Palm 12/26 (Kris Karom) |
| American Woodcock | 2014-2015 | Dec-Feb | Lancaster | one at Middle Creek W.M.A. 12/28 (Zachary Adams, Zachary Millen) |
| American Woodcock | 2018-2019 | Dec-Feb | Montour | one at Montour Preserve 12/5 (Andy Keister) |
| American Woodcock | 2018-2019 | Dec-Feb | Washington | one at Finleyville 12/24 (Gigi Gerben), plus many during the second half of Feb as expected. |
| American/Pacific Golden-Plover | 2020 | Jun-Jul | Dauphin | observed at Wildwood Lake 7/15 (Scott and Stephanie Bills) and likely same bird there 7/17 (Patricia and Richard Williams, m.ob, ph., doc. submitted). |
| Ancient Murrelet | 1992 | Oct-Dec | Berks | 1 on 11/8/92 at Lake Ontelaunee (Matt Spence). First state record |
| Anhinga | 1993 | Apr-Jun | Delaware | If accepted by PORC, the 3 seen in Swarthmore by Nick Pulcinella would constitute a 1st state record |
| Anhinga | 1994 | Apr-Jun | Delaware | 1 flying over Prospect Park 4/6 (John C. Miller) |
| Anhinga | 1995 | Apr-Jun | Chester | 2 reported on 5/6 at Hibernia County Park (no details) (Ellie Wolf, Martin Page) |
| Anhinga | 1996 | Jul-Sep | Berks | 1 on 6/1 reported flying over Leesport (Joan Silagy) |
| Anhinga | 1996 | Apr-Jun | Montgomery | 1 on 5/15 at White's Mill Rd (August Mirabella) |
| Anhinga | 1997 | Apr-Jun | Montgomery | 1 on 5/6 Upper Gwynedd Twp. (August Mirabella) |
| Anhinga | 1998 | Apr-Jun | Delaware | 3 on 5/25 at Media (Al Guarente) was the third county record since 1993 |
| Anhinga | 1998 | Jul-Sep | Philadelphia | 1 on 6/14 at Tinicum (John Damico)(no details) |
| Anhinga | 1999 | Oct-Dec | Lebanon | 1 on 10/7 at Second Mountain (no desc., no observer) |
| Anhinga | 1999 | Apr-Jun | Delaware | 2 on 4/26 at Rose Tree Park (Tom McParland, Dave Washabaugh) |
| Anhinga | 1999 | Oct-Dec | Delaware | 2 on 9/30 at Rose Tree Park (Skip Conant) |
| Anhinga | 2000 | Oct-Dec | Philadelphia | 1 on 10/2 (Chuck Hetzel)(No desc.) |
| Anhinga | 2001 | Jul-Sep | Delaware | On 8/5 J. D'Amico reported a possible Anhinga flying southeast over Edgemont near Springton Reservoir." |
| Anhinga | 2002 | Aug-Nov | Lebanon | 1 on 9/18 at 2nd Mountain Hawk Watch (Jerry Book, Jay George, Fritz Heilman, Jan Witmer). 3 on 10/21 at the 2nd Mountain Hawk Watch (Richard Light, Tom Powers, Susan Wheeler, Jan Witmer, Del Zimmerman). These are the 3rd and 4th county records |
| Anhinga | 2003 | Mar-May | Berks | 1 on 4/28 flying over the Schuylkill River in Reading (Peter Saenger) |
| Anhinga | 2003 | Mar-May | Berks | 1 on 4/27 soaring at the North Lookout at Hawk Mountain (Kyle McCarty) |
| Anhinga | 2003 | Aug-Nov | Berks | Two (one male. one female/imm.) 9/23 Hawk Mountain (D. Barber) |
| Anhinga | 2003 | Mar-May | Schuylkill | See Berks County report |
| Anhinga | 2003 | Mar-May | Schuylkill | 1 on 4/27 soaring at the North Lookout at Hawk Mountain (Kyle McCarty) |
| Anhinga | 2004 | Mar-May | Berks | a male in flight at Lake Ontelaunee 5/29 (Matt Spence) |
| Anhinga | 2004 | Mar-May | Northampton | a female soaring over Williams Twp. (Arlene Koch) |
| Anhinga | 2005 | Mar-May | Northampton | a female was observed flying south/southwest in Williams Township 5/12 (Arlene Koch). No Desc |
| Anhinga | 2005 | Aug-Nov | Bucks | a bonus at the Broadwing SEPT hawk watch site at Buckingham Twp. was one soaring with the Broad-winged Hawks 9/19 (Kirk Moulton, Lois Moulton). a first county record |
| Anhinga | 2006 | Mar-May | Chester | one seen briefly at Church Farm School 5/4 (Chuck Chalfant, Nick Pulcinella) |
| Anhinga | 2006 | Mar-May | Dauphin | one seen from the Market St. Bridge in Harrisburg flying downriver 5/6 (Dick Colyer). (No Doc). |
| Anhinga | 2007 | Aug-Nov | Berks | Three flew past Hawk Mountain Sanctuary 8/28 (David Barber, under PORC review). |
| Anhinga | 2007 | Aug-Nov | Warren | one at Kinzua Dam 9/12 (John Fedak, under PORC review) would be a first county record if accepted. |
| Anhinga | 2008 | Aug-Nov | Bucks | one over Doylestown 9/7 (John Tramontano, doc submitted) |
| Anhinga | 2008 | Aug-Nov | Lebanon | singles passed Second Mountain hawk watch 10/13 and 10/17 (Randy Brenner, Morris Cox, no doc). |
| Anhinga | 2008 | Aug-Nov | Berks | three reports from Hawk Mountain Sanctuary: one 9/10 (Rudy Keller), 3 on 9/20 (Keith Bildstein, Carlos Funes), one 10/17 (Carlos Funes, Rudy Keller, Arlene Koch) |
| Anhinga | 2010 | Aug-Nov | Lebanon | one flying south over Second Mountain 8/12 (Morris Cox, no doc). |
| Anhinga | 2011 | Aug-Nov | Huntingdon | one at Stone Mountain Hawk Watch 10/25 (David Kyler, Ron Crandel, doc submitted) |
| Anhinga | 2011 | Mar-May | Northampton | one flying over Rte. 33 and Freemansburg Avenue 5/2 (Dan Altif, no doc), several flew over the Koch farm 5/3 (Arlene Koch, no doc), and one was flying over the Lehigh River 5/8 (Matt Loyko, no doc) |
| Anhinga | 2011 | Mar-May | York | one at Brunner Island 5/5 (Lou Carpenter, no doc). |
| Anhinga | 2011 | Aug-Nov | Lancaster | one over the Pennsylvania Turnpike 9/17 (Dan Snell, no doc). |
| Anhinga | 2011 | Aug-Nov | Chester | one over Bucktoe Creek Preserve 10/24 (Larry Lewis, Hank Davis, doc submitted) |
| Anhinga | 2013 | Aug-Nov | Huntingdon | one passed the Stone Mountain Hawk Watch 11/3 (Nick Bolgiano, David Kyler, doc submitted) |
| Anhinga | 2013 | Aug-Nov | Lehigh | one soaring over Bake Oven Knob 11/12 (Bob Hoopes, Fritz Brock, no doc). |
| Anhinga | 2015 | Aug-Nov | Delaware | present at John Heinz N.W.R. for most of August, September, and October, same bird as in Philadelphia (which see) |
| Anhinga | 2015 | Aug-Nov | Montgomery | one flying north over the Fort Washington S.P. hawkwatch 9/13 (Rich Conroy, Andrew Fayer, no doc) |
| Anhinga | 2015 | Mar-May | Philadelphia | one flying over John Heinz National Wildlife Refuge during a PSO field trip 5/30 (Annette Mathes, George Armistead, m.ob., doc submitted). |
| Anhinga | 2015 | Aug-Nov | Philadelphia | one at John Heinz N.W.R. 8/12 (David Allen, Anna Mindel) was seen again 8/23 and 9/18 before it was then seen nearly daily 9/23-10/23 by hundreds of observers, same bird as in Delaware (doc submitted). |
| Anhinga | 2015 | Aug-Nov | Northampton | one over the Little Gap Hawk Watch 8/29 (Michael Schall, no doc) |
| Anhinga | 2016 | Mar-May | Delaware | one flying over Swarthmore 5/8 (David Eberly, no doc) |
| Anhinga | 2016 | Mar-May | York | one flying over Codorus Furnace Road 5/9 (Phil Keener, Randy Phillips, doc submitted). |
| Anhinga | 2017 | Aug-Nov | York | one female over the Rocky Ridge County Parkhawkwatch 9/22 (Randy Phillips, Fred Paley, no doc). |
| Anhinga | 2018 | Aug-Nov | Lebanon | one at Second Mountain 10/4 (Fred Wilcox, no doc submitted). |
| Anhinga | 2019 | Jun-Jul | Philadelphia | one seen flying high over home 6/16 (Frank Windfelder, eBird). |
| Anhinga | 2021 | Jun-Jul | Bucks | competent observer described female-type over Sellersville yard 7/10 (Tim Bradley, doc. submitted, fide Bill Etter). PORC review pending. |
| Anhinga | 2021 | Aug-Nov | Montgomery | one at Knight Lake, Green Lane Park 8/29 and 8/31-9/2 (James Funk, Barbara Hostetler, doc submitted). |
| Anhinga | 2023 | Aug-Nov | Berks | one over Hawk Mountain 9/14 (Troy Herrel, Hawk Mountain Data), DOC |
| Anhinga | 2023 | Aug-Nov | Schuylkill | one over Hawk Mountain 9/14 (Troy Herrel, Hawk Mountain Data), DOC |
| Anhinga | 2023 | Aug-Nov | Bucks | one female-type at Churchville Park 8/19 (Barbara Stollsteimer, ph. Will Stollsteimer, ph. Dwight Molotsky), DOC |
| Anhinga | 2023 | Aug-Nov | Montgomery | one over Fort Washington State Park 9/1 (Sheryl Johnson, Rich Conroy) doc submitted |
| Anhinga | 2023 | Aug-Nov | York | one over the Rocky Ridge County Park hawkwatch 9/4 (Jen Barrall, Randy Phillips), DOC. |
| Anhinga | 2023 | Mar-May | Huntingdon | three or four at Lake Perez 5/10-11 (Ken Bowman, Jon Kauffman, Laurie McLaughlin, Mark McLaughlin, Joshua Potter, Doug Wentzel), third county record, doc submitted |
| Anhinga | 2023 | Mar-May | Lancaster | one at Conejohela Flats 5/18 (photographed by a kayaker and posted on facebook), first county record, doc submitted. |
| Anna's Hummingbird | 2010 | Aug-Nov | Berks | one adult female, which appeared at the home of Renee Gery in Shartlesville in late October and was banded 11/21 (Scott Weidensaul, doc submitted), remained deep into the winter season and would represent the first state record if accepted. |
| Anna's Hummingbird | 2010-2011 | Dec-Feb | Berks | the bird first seen at Renee Gery's feeder in Shartlesville in Oct 2010 stayed the winter, surviving sub-zero temperatures, and left in mid-March, having developed a few red feathers on her throat (m.ob., doc submitted). |
| Anna's Hummingbird | 2016 | Aug-Nov | York | one female (probably juv.) at a Yorkresidence 11/4-14 (Greg Smith, doc submitted) attended only blooming salvia and was not captured. |
| Anna's Hummingbird | 2019 | Aug-Nov | Chester | one immature male near Birmingham from mid-Oct through the period (Lois Bryman) was banded 11/5 (doc submitted). |
| Anna's Hummingbird | 2019-2020 | Dec-Feb | Chester | one continuing until 12/12 (Lois Bryman, doc submitted). |
| Anna's Hummingbird | 2023-2024 | Nov-Feb | Franklin | a female in the Penn National development, noted in Jan to 2/3 (Bill Oyler, Sandy Lockerman), a fourth Pennsylvania record and a first county record (doc submitted). |
| Arctic Tern | 1986 | Mar-May | Carbon | two on 5/16/1986 at Beltzville Res, Carbon |
| Arctic Tern | 1996 | Apr-Jun | Bucks | 1 on 5/10 at Peace Valley Park (August Mirabella, Tom Wurtenberger) |
| Arctic Tern | 1998 | Apr-Jun | Berks | 1 on 5/9 at Glen Morgan Lake was a first county record and only the third state record (Ken Lebo, et al) |
| Arctic Tern | 2000 | Apr-Jun | Berks | 1 on 5/20 at Glen Morgan Lake (Ken Lebo, et al) |
| Arctic Tern | 2001 | Apr-Jun | Lancaster | 2 on 5/22-23 on the Susquehanna River just south of Columbia (Jason Horn, Bob Schutsky, Jerry Book, Jack Mitterer) were first county records |
| Arctic Tern | 2002 | Apr-Jun | Berks | 3 at Glen Morgan Lake 4/28 (Ken Lebo)(no desc) |
| Arctic Tern | 2003 | Aug-Nov | Bedford | One 9/19 Dunnings Creek (T. Dick) |
| Arctic Tern | 2003 | Aug-Nov | Bucks | One 9/23 Nockamixon SP (J. Horn) One 9/28 Rohm Haas (J. Horn) |
| Arctic Tern | 2003 | Aug-Nov | Centre | One 9/20 Bald Eagle SP (m. obs.) |
| Arctic Tern | 2003 | Aug-Nov | Lancaster | One adult 9/28 Conejohela Flats (J. Book, T. Garner, E. Witmer) 2nd county record |
| Arctic Tern | 2003 | Mar-May | Berks | 1 first year bird on 5/24 at Glen Morgan Lake (Katrina Knight, Ken Lebo) (no desc) |
| Arctic Tern | 2003 | Mar-May | Bucks | 1 adult on 5/26 at the Penn-Warner Tract (Devich Farbotnik) was a second county record |
| Arctic Tern | 2005 | Jun-Jul | Bucks | a basic plumage observed 6/4 flying around Peace Valley Park (Howard Eskin, August Mirabella, Chuck Crunkleton, Elaine Crunkleton) |
| Arctic Tern | 2006 | Aug-Nov | Bucks | At least one and possibly 3 on the lower Delaware River 9/2 (Devich Farbotnik) were 6th county record |
| Arctic Tern | 2006 | Aug-Nov | Delaware | A total of 9 birds were seen flying upriver over the Delaware River during "Ernesto Watch" on 9/2 (Jason Horn m.obs) |
| Arctic Tern | 2009 | Jun-Jul | Lancaster | one flying upriver at the Conejohela Flats 5/29 (Chuck Chalfant, Bob Schutsky), one at the "Rocks" joined by another 5/29 (Jerry Book, et al.), 2 in the same location 6/2 (Drew Weber). |
| Arctic Tern | 2009 | Jun-Jul | Lancaster | Two or 3 still being seen from the "Rocks" on the Susquehanna River just south of Columbia 6/2 (Amy Davis, Jeffrey Davis, Drew Weber, no doc). |
| Arctic Tern | 2010 | Mar-May | Allegheny | two flew past Dashields Dam on the Ohio River 5/29 (Geoff Malosh, doc submitted), first county record |
| Arctic Tern | 2010 | Mar-May | Beaver | same birds as Allegheny, first county record. |
| Arctic Tern | 2011 | Mar-May | Bucks | one at the Penn-Warner Tract 5/17 (Devich Farbotnik, no doc). |
| Arctic Tern | 2011 | Aug-Nov | Delaware | one on the Delaware River 8/28 during Hurricane Irene (Al Guarente, no doc) |
| Arctic Tern | 2011 | Aug-Nov | Philadelphia | 3 at Pennypack on the Delaware (Frank Windfelder, Todd Fellenbaum, no doc). |
| Arctic Tern | 2012 | Mar-May | Carbon | one at Beltzville State Park 5/21-22 (Rick Wiltraut, Dustin Welch, et al., doc submitted) |
| Arctic Tern | 2012 | Mar-May | Elk | two at the East Branch Clarion River Lake in Elk State Park 5/22 (Al Guarente, doc submitted). |
| Arctic Tern | 2013 | Mar-May | Bucks | one at the Penn-Warner Tract 5/11 (Devich Farbotnik, no doc) |
| Arctic Tern | 2013 | Mar-May | Somerset | one or two at Somerset Lake 5/7 (Mike Lanzone, no doc), first county record. |
| Arctic Tern | 2018 | Aug-Nov | Berks | 7 at Blue Marsh Lake 9/18 (ph., Ken Lebo, Russell Hoffman, Joan Silagy, no doc submitted). |
| Arctic Tern | 2018 | Mar-May | Lehigh | one at Leaser Lake 5/20 (Kevin Dougherty, Jeff Hopkins, doc submitted - record accepted by PORC vote), first county record. |
| Arctic Tern | 2022 | Mar-May | Berks | 2 at Lake Ontelaunee 5/15 (Rudy Keller), second county record |
| Arctic Tern | 2022 | Mar-May | Bucks | 7 at Peace Valley Park 5/13 (Jeff Vinosky, Christopher Mortensen, Eric Zawatski, Devich Farbotnik, m.ob.) with one remaining 5/14 (August Mirabella, m.ob.), 3 at Penn-Warner Tract 5/13 (Mark Gallagher, Dawn Denner) with 2 there 5/14 (Devich Fartbotnik), o |
| Arctic Tern | 2022 | Mar-May | Chester | 2 at Marsh Creek SP 5/13-17 (Mike DeFina, m.ob.), one at Struble Lake (Zach Millen), first county record |
| Arctic Tern | 2022 | Mar-May | Carbon | one at Beltzville SP 5/14 (Edward Komito, m.ob.) |
| Arctic Tern | 2022 | Mar-May | Dauphin | one on Susquehanna R. at the HC Sharauder Park Access 5/13 (Steve Schmidt) |
| Arctic Tern | 2022 | Mar-May | Delaware | 2 along Delaware R. at Hog Island Road 5/14 (Kristy Eleftheriou, Tom Johnson, Rob Fergus) |
| Arctic Tern | 2022 | Mar-May | Lehigh | one at Alburtis Road Retention Ponds 5/13 (Jason Horn, m.ob.) |
| Arctic Tern | 2022 | Mar-May | Montgomery | one or possibly 2 at Wissahickon Waterfowl Preserve and 3 same day at Green Lane Park 5/13 (Andrew Dolan, Edward Dolan, m.ob.), first county record |
| Arctic Tern | 2022 | Mar-May | Philadelphia | 3 along Delaware R. between Pennypack on the Delaware and Glen Foerd 5/3-16 (Tanya Burnett, Ben Filreis, Patrick McGill, et al.). |
| Arctic Tern | 2023 | Jun-Jul | Erie | a possible adult was described and photographed at Gull Point on 6/12-13 (Jason Bojczyk) pending PORC confirmation. |
| Ash-throated Flycatcher | 1997 | Oct-Dec | Northampton | 1 on 11/24-12/16 in Williams Twp. was a first state record (Arlene Koch, et al) |
| Ash-throated Flycatcher | 2000 | Jan-Mar | Lancaster | 1 on 12/28-30 at Safe Harbor (Jerry Book) was a 1st county record and 2nd state record |
| Ash-throated Flycatcher | 2001 | Jan-Mar | Lancaster | 1 first seen in December was, last noted on 1/6 at Safe Harbor (Bruce Carl). This was the first record for the county |
| Ash-throated Flycatcher | 2006-2007 | Dec-Feb | Lancaster | One at Lititz 12/21-1/4 at the home of Joyce Shaeffer. |
| Ash-throated Flycatcher | 2009 | Aug-Nov | Lebanon | one on SGL 145 from 11/20-28 (Sid Hostetter, Randy Miller, Mandy Pennypacker, Bob Snyder, doc submitted) would be the fourth state record if accepted. |
| Ash-throated Flycatcher | 2011-2012 | Dec-Feb | Cumberland | one at Newville 1/4-5 represented a first county record and fifth for Pennsylvania (Vern Gauthier, doc submitted). |
| Ash-throated Flycatcher | 2015-2016 | Dec-Feb | Philadelphia | one at Tacony Creek Park and Juniata golf course, 1/9-10 (Robin Irizarry, Martin Selzer, Peter Burns, Tony Croasdale). |
| Ash-throated Flycatcher | 2017-2018 | Dec-Feb | Montgomery | one at Green Lane Park during Upper Bucks County CBC 12/17 (Andrew Curtis, Joe Greco, John Becker, doc submitted), then refound 1/14 (Steve Grunwald). |
| Ash-throated Flycatcher | 2019 | Aug-Nov | Lehigh | one at Breinigsville 11/17 through the period (James Funk, doc submitted). |
| Ash-throated Flycatcher | 2022-2023 | Dec-Feb | Philadelphia | one at the NE Water Treatment Plant 12/4-2/26 (Christopher Hinkle, Oliver James, m.ob., doc submitted). |
| Ash-throated Flycatcher | 2023 | Aug-Nov | Philadelphia | one at Franklin Delano Roosevelt Park 11/9-10 (Ben Filreis, Manny Dominguez), DOC. |
| Ash-throated Flycatcher | 2023-2024 | Nov-Feb | Berks | one along the Schuylkill R. Trail in Reading 12/14-1/1 (Bill Uhrich, m.ob.) |
| Ash-throated Flycatcher | 2023-2024 | Nov-Feb | Chester | one at Westtown School 12/17-1/3 (Michael Hartshorne, m.ob.) |
| Ash-throated Flycatcher | 2023-2024 | Nov-Feb | Delaware | one at John Heinz NWR 12/18-1/22 (m.ob.), mostly seen in Philadelphia, a first county record. |
| Ash-throated Flycatcher | 2023-2024 | Nov-Feb | Philadelphia | John Heinz NWR 12/15-1/22 (Bernice Coles, m.ob.), the same bird as seen in Delaware (doc submitted for all). |
| Audubon's Shearwater | 2023 | Aug-Nov | Philadelphia | one flying north along the Schuylkill River at Bartram's Garden 8/4 (ph. Ben Filreis) doc submitted. |
| Bahama Woodstar | 2013 | Mar-May | Lancaster | one visited a feeder in Denver 4/22-24 (Sandy Lockerman, Delmas and Ruth Witmer, doc submitted), first state record and fourth for the ABA area. |
| Baird's Sandpiper | 1992 | Oct-Dec | Delaware | 2 on 9/9 at Tinicum (Al Guarente, John Miller) |
| Baird's Sandpiper | 1992 | Oct-Dec | Lancaster | One on 8/18 at Octoraro Lake (Bob Schutsky) and 2 9/21-25 at the Conejehola Flats (Jonathan Heller, et al) |
| Baird's Sandpiper | 1992 | Oct-Dec | Montgomery | One on 7/30 at Green Lane Res. (Gary Freed) and one 8/10 (Karen Campbell, George Franchois) |
| Baird's Sandpiper | 1992 | Oct-Dec | Philadelphia | One from 8/11 and 2 from 9/25 through the end of the quarter at Tinicum. Al Guarente |
| Baird's Sandpiper | 1992 | Oct-Dec | Philadelphia | up to 2 at Tinicum 10/3-4 |
| Baird's Sandpiper | 1993 | Apr-Jun | Franklin | 1 on 5/19 at Mt. Parnell Fish Hatchery (Carl Garner) |
| Baird's Sandpiper | 1993 | Oct-Dec | Mercer | 1 at Shenango R. Res. 10/23 (R. Stringer) |
| Baird's Sandpiper | 1995 | Apr-Jun | Berks | 1 on 5/23 (Ken Lebo) and 1 on 5/28 (Jason Horn) at L. Ontelaunee |
| Baird's Sandpiper | 1995 | Apr-Jun | Montour | 2 on 5/15 at the Fly Ash Basin (Paul & Glenna Schwalbe) were only the second spring record for this area |
| Baird's Sandpiper | 1995 | Oct-Dec | Indiana | 1 on 10/31 at Yellow Creek SP (Margaret Higbee, Carol Guba, Gloria Lamer) |
| Baird's Sandpiper | 1995 | Oct-Dec | Montgomery | 1 on 10/21 (Kevin Crilley) at Green Lane Res |
| Baird's Sandpiper | 1995 | Oct-Dec | Erie | present to 10/21 at Presque Isle SP (Jerry McWilliams) |
| Baird's Sandpiper | 1996 | Oct-Dec | Crawford | 1 on 8/11 and 8/18 at Pymatuning (Ron Leberman) |
| Baird's Sandpiper | 1996 | Oct-Dec | Erie | Present from 9/4-8 with a high of 5 on 9/8 at Presque Isle SP (Jerry McWilliams) |
| Baird's Sandpiper | 1996 | Oct-Dec | Lancaster | Present from 8/17 to 9/7 at Washington Boro with a high of 12 on 9/7 (m. obs.) |
| Baird's Sandpiper | 1996 | Oct-Dec | Lancaster | present up to 10/17 at Washington Boro (Bob Schutsky) |
| Baird's Sandpiper | 1996 | Oct-Dec | Berks | Present from 9/4 to 9/22 with a high of 4 on 9/7 at Lake Ontelaunee (Ken Lebo, Matt Wlasniewski) |
| Baird's Sandpiper | 1998 | Apr-Jun | Indiana | 13 on 5/31 at Yellow Creek SP (Greg Cook) |
| Baird's Sandpiper | 1998 | Oct-Dec | Erie | 2 on 10/1 at Presque Isle State Park (Don Snyder) |
| Baird's Sandpiper | 1999 | Jul-Sep | Crawford | 2 on 6/1 at Tamarack Lake (Isaac Field) |
| Baird's Sandpiper | 1999 | Apr-Jun | Indiana | 1 on 5/11 at Yellow Creek SP (Margaret Higbee et al) |
| Baird's Sandpiper | 1999 | Oct-Dec | Centre | 1 on 10/11 |
| Baird's Sandpiper | 1999 | Oct-Dec | Mercer | Present up to 10/2 at Shenango River Reservoir (Randy Stringer) |
| Baird's Sandpiper | 2000 | Oct-Dec | Lancaster | 1 on 10/7 at Washington Boro |
| Baird's Sandpiper | 2001 | Apr-Jun | Luzerne | 1 on 5/23 at Bear Creek (Stan Galanty, Rick Koval) |
| Baird's Sandpiper | 2001 | Oct-Dec | Erie | 1 at Presque Isle on 10/5 and 10/8 (Jerry McWilliams) |
| Baird's Sandpiper | 2001 | Oct-Dec | Indiana | 1 on 10/9 at Yellow Creek SP (Margaret Higbee, Dory Jacobs, Linda Wagner) |
| Baird's Sandpiper | 2003 | Mar-May | Luzerne | 1 on 5/12 at Plymouth Flats (Rick Koval) |
| Baird's Sandpiper | 2004 | Jun-Jul | Indiana | 1 at Yellow Creek State Park 7/20 (Carol Guba, Margaret Higbee, Gloria Lamer, Scott Speedy) |
| Baird's Sandpiper | 2006 | Jun-Jul | Beaver | An adult at Little Blue Lake 7/21 which was perhaps a shade early (Mark Vass) |
| Baird's Sandpiper | 2006 | Mar-May | Crawford | one at the Linesville Fish Hatchery 5/24-5/25 (Anthony Bledsoe); and one at the Pymatuning Game Management Area 5/29 (Ronald Leberman) |
| Baird's Sandpiper | 2006 | Mar-May | Franklin | one at Greencastle Reservoir 5/16-5/20 (Carl Garner, Dale Gearhart). |
| Baird's Sandpiper | 2006 | Jun-Jul | Erie | One at Gull Point Presque Isle 7/15 (Mark Vass) and 8 there 7/19 (Bob Van Newkirk) |
| Baird's Sandpiper | 2006 | Jun-Jul | Philadelphia | One stopped over at Tinicum Refuge 7/15-7/17 (Todd Fellenbaum). |
| Baird's Sandpiper | 2007 | Jun-Jul | Lawrence | Plain Grove Twp. at the Mason Rd. gravel pond 6/2 (Mark Vass). |
| Baird's Sandpiper | 2008-2009 | Dec-Feb | Lehigh | one very late bird at Leaser Lake 12/2-9 (Dustin Welch, Rick Wiltraut, listserv). |
| Baird's Sandpiper | 2011 | Mar-May | Bedford | one at Dunnings Creek Wetlands 5/19 (Tom Dick). |
| Baird's Sandpiper | 2011-2012 | Dec-Feb | Centre | one at Bald Eagle S.P. 12/7 represents the first winter season report for Pennsylvania (Alex Lamoreaux, et al.). |
| Baird's Sandpiper | 2012 | Jun-Jul | Crawford | 7/17 on the Pymatuning Causeway (Ronald F. Leberman) |
| Baird's Sandpiper | 2012 | Jun-Jul | McKean | after severe weather, one 7/27 at Bradford sewage treatment ponds (John Fedak) |
| Baird's Sandpiper | 2012 | Jun-Jul | Somerset | one videoed on 6/12 at Somerset Lake (Mike Lanzone). |
| Baird's Sandpiper | 2012 | Mar-May | Somerset | one at Somerset Lake 6/4-12 (Mike Lanzone, Jeff Payne). |
| Baird's Sandpiper | 2012 | Jun-Jul | Centre | one 7/20 at Bald Eagle S.P. (Alex Lamoreaux, Anna Fasoli) |
| Baird's Sandpiper | 2012 | Mar-May | Bedford | four at Dunnings Creek Wetlands 5/24 (Tom Dick) |
| Baird's Sandpiper | 2014 | Jun-Jul | Northampton | at Green Pond 7/27 (Dave DeReamus). |
| Baird's Sandpiper | 2015 | Mar-May | Franklin | one at Long Lane Pond 5/23 (Carl Garner). |
| Baird's Sandpiper | 2015 | Jun-Jul | Mercer | one at the Shenango Wildlife Area 7/31 (Steve Sanford). |
| Baird's Sandpiper | 2016 | Mar-May | Bedford | two at Dunnings Creek Wetlands 5/8 (Tom Dick) |
| Baird's Sandpiper | 2016 | Jun-Jul | Erie | at Gull Point 7/17 (Alex Lamoreaux, eBird) and 7/27 (Brendyn Baptiste, eBird). |
| Baird's Sandpiper | 2016 | Mar-May | Crawford | one along Brooks Road 5/18 (Isaac Field, Ron Leberman). |
| Baird's Sandpiper | 2017 | Mar-May | Crawford | one at Miller Ponds 5/20 (Isaac Field, Ron Leberman) and 5/23 (Ron Leberman). |
| Baird's Sandpiper | 2018 | Jun-Jul | Erie | one at Gull Point 7/14-15 (Mary Birdsong). |
| Baird's Sandpiper | 2020 | Mar-May | Berks | four at Hamburg Commerce Park 5/26 (Matt Wlasniewski), no documentation |
| Baird's Sandpiper | 2020 | Mar-May | Crawford | one at Miller Ponds 5/15-16 (Adam Erb, Claire Nicolls, Kendall Zook). |
| Baird's Sandpiper | 2021 | Mar-May | Northampton | one at Hollo Road Retention Pond 4/24 (Jeff Hopkins, m.ob.), photos in ebird. |
| Baird's Sandpiper | 2021 | Jun-Jul | Crawford | one at Pymatuning Miller's Ponds 6/1 (Ron Leberman) |
| Baird's Sandpiper | 2021 | Jun-Jul | Mercer | one at Shenango Reservoir Propagation Area 7/8-9 (Kim Springer). |
| Baird's Sparrow | 2002 | Aug-Nov | McKean | 1 on 10/5 at Bullis Mills (John Fedak). Documentation has been submitted to PORC |
| Baltimore Oriole | 1992 | Oct-Dec | Bucks | 1 at New Hope 11/2 (Bill Hoehne) |
| Baltimore Oriole | 1992 | Oct-Dec | Butler | 1 at Lancaster Twp.11/10 (Fred Lochner) |
| Baltimore Oriole | 1992 | Oct-Dec | Dauphin | into Oct |
| Baltimore Oriole | 1993 | Oct-Dec | Delaware | 1 at Swarthmore 10/8 (Helen McWilliams) |
| Baltimore Oriole | 1993 | Oct-Dec | Lancaster | present into Dec. at Ephrata |
| Baltimore Oriole | 1993 | Oct-Dec | York | last seen on 10/1 |
| Baltimore Oriole | 1994 | Jan-Mar | Delaware | 1 on 12/21 at Prospect Park was very late (John Miller) |
| Baltimore Oriole | 1994 | Oct-Dec | Bucks | 1 on 10/23 at Chalfont (Ron French) |
| Baltimore Oriole | 1994 | Jan-Mar | Northampton | 1 on 12/28-29 at Williams Twp.(Arlene Koch) |
| Baltimore Oriole | 1995 | Jan-Mar | Philadelphia | 1 present up to 12/25 in center city (Steve Maciejewski) |
| Baltimore Oriole | 1995 | Oct-Dec | York | Present up to 10/7 (Al Spiese) |
| Baltimore Oriole | 1996 | Jan-Mar | Potter | 1 on 3/31 at Seven Bridges (Fay Long) |
| Baltimore Oriole | 1996 | Jan-Mar | Somerset | 1 present up to 1/8 at Markleton (Anthony Marich) |
| Baltimore Oriole | 1997 | Jan-Mar | Bucks | 1 on 3/2 at Langhorne (Adrian Binns) |
| Baltimore Oriole | 1997 | Jan-Mar | Montgomery | 1 on 2/9 at Wayne (Edith Parnum) |
| Baltimore Oriole | 1997 | Oct-Dec | Butler | 1 on 10/24 at Glades SGL (Margaret Higbee, et al) |
| Baltimore Oriole | 1997 | Oct-Dec | Delaware | 1 on 10/27 at the Darlington Tract (Nick Pulcinella) |
| Baltimore Oriole | 1997 | Oct-Dec | Erie | Recorded up to 11/17 at Union City (Dorothy Hecker) |
| Baltimore Oriole | 1998 | Jan-Mar | Montgomery | 1 on 2/6 through the quarter in Norristown (Stephanie Giovannini, Edith Parnum) |
| Baltimore Oriole | 1998 | Oct-Dec | Berks | 1 on 10/11 at Leesport (Dean Kendall) |
| Baltimore Oriole | 1998 | Jan-Mar | York | Present up to 12/5 at Spring Grove (Jean Walsh) |
| Baltimore Oriole | 1999 | Jan-Mar | Berks | 1 on 1/1-3/3 at Leesport (Dean Kendall) |
| Baltimore Oriole | 2000 | Jan-Mar | York | 1 on 1/2 at Hanover (Fred & Nina Clark) |
| Baltimore Oriole | 2000 | Oct-Dec | Venango | Present up to 11/20 at Buttermilk Hill Nature Sanctuary (Kathey Goodblood) |
| Baltimore Oriole | 2000 | Jan-Mar | Philadelphia | 1 in January (Judy Stepanaskie) |
| Baltimore Oriole | 2000 | Jan-Mar | Clarion | 1 on 1/24 through the period at Shippenville (m. obs.) |
| Baltimore Oriole | 2000 | Jan-Mar | Erie | 1 on 1/15 at Harbor Creek (Shirley Post) |
| Baltimore Oriole | 2000 | Jan-Mar | Chester | 1 on 1/7 at Penn Twp. (Grier Saunders, Larry Lewis) |
| Baltimore Oriole | 2001 | Jan-Mar | Westmoreland | 1 adult on 1/1 at a feeder just west of Ligonier (Mike and Evelyn Fowles) |
| Baltimore Oriole | 2001 | Jan-Mar | Bucks | 1 on 10/27 at Silver Lake Park (Doug Filler); 2 on 12/3 at Peace Valley Park (August Mirabella) |
| Baltimore Oriole | 2001 | Oct-Dec | Delaware | 1 on 11/3 & 11/18 at Tinicum (Tom Reeves) |
| Baltimore Oriole | 2001 | Jan-Mar | Bucks | 1 seen at an Upper Makefield suet feeder starting 1/3 and continuing for about 4 weeks, a new early date for the county |
| Baltimore Oriole | 2002 | Jan-Mar | Bucks | 1 from 1/1-1/10 at Peace Valley Park (D. Wilson) and up to two at Leviettetown by mid-March (G. Carmichael) |
| Baltimore Oriole | 2002-2003 | Dec-Feb | Delaware | 1 on 1/29 |
| Baltimore Oriole | 2002-2003 | Dec-Feb | Cambria | 1 on 12/2 at Dave Gobert's feeder (Dave Gobert) |
| Baltimore Oriole | 2002-2003 | Dec-Feb | Delaware | 1 from 12/27-1/10 at a Media feeder (Doris McGovern) |
| Baltimore Oriole | 2002-2003 | Dec-Feb | Chester | one 12/16-20 at Tel Hai Retirement Community (Phyllis and Beryl Hurlock) |
| Baltimore Oriole | 2002-2003 | Dec-Feb | Bucks | 1 on 12/9 (Gail Hill); 1/11 (Mark Evans); and 2/18 (Cameron Rutt) at Peace Valley Park |
| Baltimore Oriole | 2002-2003 | Dec-Feb | Clarion | one 12/7-13 at Knox (Walter Fye) |
| Baltimore Oriole | 2003-2004 | Dec-Feb | Bucks | one 12/10 at Nockamixon SP(Bill Etter); two together 1/11 at Peace Valley Park (Ken Rieker, Ian Baldock); one 2/22 in Doylestown Twp. (Bill Graham) |
| Baltimore Oriole | 2004-2005 | Dec-Feb | Lehigh | three at feeders in West Allentown, no date given (John Boyer, Nancy Boyer) |
| Baltimore Oriole | 2004-2005 | Dec-Feb | York | there were two winter reports - one was in a yard in Manchester Twp. for two weeks beginning 1/14 (Shawn Godack); and two were seen 2/14 at Stillmeadow Park (Lou Carpenter) |
| Baltimore Oriole | 2004-2005 | Dec-Feb | Bucks | one on the Southern Bucks CBC 12/18 (Paul Lehman, George Armistead) |
| Baltimore Oriole | 2005-2006 | Dec-Feb | Philadelphia | one on the Wyncote CBC 12/17 (Steve Lawrence) |
| Baltimore Oriole | 2005-2006 | Dec-Feb | Bucks | one was in Tinicum Twp.1/20 (August Mirabella, Judy Mirabella, Ken Kitson); an adult male was in Northampton Twp. 2/14 (Jacquelyn Hritzo) |
| Baltimore Oriole | 2005-2006 | Dec-Feb | Dauphin | one in Halifax 1/13 (Scott Bills) and one from Hershey 2/4-2/5 (Art Schiavo) |
| Baltimore Oriole | 2005-2006 | Dec-Feb | Union | one on the Lewisburg CBC 12/18 |
| Baltimore Oriole | 2005-2006 | Dec-Feb | Washington | an adult male at a feeder in Peter's Township 1/14 and remained throughout the period (Peggy Milani); another adult male was in a backyard in Houston sometime between 2/13-15 (fide Ryan Tomazin) |
| Baltimore Oriole | 2005-2006 | Dec-Feb | Delaware | one visiting a feeder in Lansdowne in December |
| Baltimore Oriole | 2007-2008 | Dec-Feb | Lancaster | One visited a feeder in Narvon until at least 1/5 (Frank Haas, Esther Petersheim) |
| Baltimore Oriole | 2007-2008 | Dec-Feb | Washington | One at a feeder in Daisytown, 12/4 (fide Andy Berchin). |
| Baltimore Oriole | 2007-2008 | Dec-Feb | Bucks | Up to six different birds, some from the fall, the latest report was 2/2 (Suzanne Meyers, Dave Horne, Doug Filler, Paul Lehman, Harry D'Allessandro, Tony Matijasick) |
| Baltimore Oriole | 2007-2008 | Dec-Feb | Chester | Three reported on PABIRDS in the county on 12/9, including one in a Marshalltown yard that hosted one last winter (Dave Kruel) |
| Baltimore Oriole | 2008-2009 | Dec-Feb | Juniata | one at Mifflintown during Lewistown CBC 12/20 (Henry Petersheim) |
| Baltimore Oriole | 2008-2009 | Dec-Feb | Northampton | one at Koch Farm Dec-Jan (Arlene Koch). |
| Baltimore Oriole | 2008-2009 | Dec-Feb | Bucks | one that wintered for the fifth consecutive year at a location in New Hope (Suzanne Meyers) was also counted on the Central Bucks CBC 12/28, and one on Southern Bucks CBC 12/20 (George Carmichael) |
| Baltimore Oriole | 2008-2009 | Dec-Feb | Chester | one in South Coventry Twp. 12/202/1 (Nancy Peterson) |
| Baltimore Oriole | 2009-2010 | Dec-Feb | Bucks | one at Peace Valley Park 12/22-1/2 (Cameron Rutt, m.ob.), one in Doylestown Twp.12/23 (Tena Kellogg), and one in New Hope present for the sixth consecutive winter (Suzanne Meyers). |
| Baltimore Oriole | 2010-2011 | Dec-Feb | Clarion | one in Clarion 1/28 (fide Janice Horn) |
| Baltimore Oriole | 2010-2011 | Dec-Feb | Northampton | an immature bird at feeders on Koch farm 12/3-9 (Arlene Koch). |
| Baltimore Oriole | 2010-2011 | Dec-Feb | Bucks | one in New Hope throughout season (Suzanne Meyers) |
| Baltimore Oriole | 2010-2011 | Dec-Feb | Chester | 4 wintered in a yard in West Grove (Kevin Fryberger) |
| Baltimore Oriole | 2011-2012 | Dec-Feb | Montgomery | a female at Green Lane Reservoir 12/18 (Kevin Crilley). |
| Baltimore Oriole | 2011-2012 | Dec-Feb | Bedford | one at Bedford during the CBC (Mike and Laura Jackson) |
| Baltimore Oriole | 2011-2012 | Dec-Feb | Bradford | an immature male near Hollenback, first observed 12/10 and again on the SE Bradford CBC (Marvin Baker, Nancy Baker) |
| Baltimore Oriole | 2011-2012 | Dec-Feb | Bucks | one at Peace Valley Park 12/13 (August Mirabella) and again 1/1 (Henry D'Alessandro), and another was near Kintnersville 2/27 (Carol Easter, Larry Sassaman, ph.) |
| Baltimore Oriole | 2011-2012 | Dec-Feb | Lancaster | one on the Southern Lancaster CBC 12/18 remained through the season (Bob Schutsky) |
| Baltimore Oriole | 2012-2013 | Dec-Feb | Cumberland | one in Huntsdale for a few days in late Dec (Alexander Green) |
| Baltimore Oriole | 2012-2013 | Dec-Feb | Indiana | female in Indiana 11/29-12/16 (Dory Jacobs) |
| Baltimore Oriole | 2012-2013 | Dec-Feb | Juniata | one at Oakland Mills in Dec (Henry Petersheim). |
| Baltimore Oriole | 2012-2013 | Dec-Feb | Allegheny | male at Aspinwall 12/29 (Steve Thomas, Sue Thomas) |
| Baltimore Oriole | 2012-2013 | Dec-Feb | Bucks | first-year male in Warwick Twp. through 12/21 (ph. Harris Brown), a female in Middletown Twp. 12/11 through end of period (ph. David Pentland), and a female wintered in Bedminster Twp. (Linda Weber, ph. August Mirabella) |
| Baltimore Oriole | 2013-2014 | Dec-Feb | Allegheny | one from the fall at a feeder in Aspinwall continued into Feb (Cecelia Hard) |
| Baltimore Oriole | 2013-2014 | Dec-Feb | Bucks | a male beginning 12/23 and a female beginning 12/25 at same feeder in Middletown Twp. (David Pentland), and a female in New Hope from before Christmas through 1/20 (ph. Dave Belford). |
| Baltimore Oriole | 2014-2015 | Dec-Feb | York | one reported on the CBC 12/20. |
| Baltimore Oriole | 2014-2015 | Dec-Feb | Northumberland | one at Kipps Run 12/27 (John Dennehy, Paul Dennehy) |
| Baltimore Oriole | 2014-2015 | Dec-Feb | Philadelphia | one in Fairmont Park 12/29 and 1/10 (Damon Orsetti, Gary Jarvis), and one in northeast Philadelphia mid-Jan to 2/21 (Ann Currens) |
| Baltimore Oriole | 2014-2015 | Dec-Feb | Adams | one adult male on BlackberrySchool Road 12/29 (Sarah Gettys, Mike O'Brien) |
| Baltimore Oriole | 2014-2015 | Dec-Feb | Allegheny | one in Ohara Twp. 12/24-1/18 (ph. JoAnne Lightner) |
| Baltimore Oriole | 2014-2015 | Dec-Feb | Bucks | 2 males at a feeder in Middletown Twp. through the season, for the third year in a row (David Pentland), one inUpper Makefield Twp. 12/17-2/15 (ph. Paul Thompson,Marilyn Thompson), and one elsewhere in Upper Makefield Twp. from late Dec through season (ph. Lois and Bob Mousley) |
| Baltimore Oriole | 2014-2015 | Dec-Feb | Chester | one 12/5 (Harold Davis) |
| Baltimore Oriole | 2015-2016 | Dec-Feb | Lancaster | one at Lancaster Community Park during Lancaster CBC 1/3 (John Shenk, Pamela Fisher, Mary Alice High) and one in Elizabethtown 1/22 (Cynthia Edwards) |
| Baltimore Oriole | 2015-2016 | Dec-Feb | Montgomery | one in Upper Hanover Twp. 2/1-2 (Diana Rudloff) and one in Hatfield 2/15-27 (Judith Stimson) |
| Baltimore Oriole | 2015-2016 | Dec-Feb | Philadelphia | one visited a feeder in West Philadelphia 12/31 until at least 1/16 (Navin Sasikumar). |
| Baltimore Oriole | 2015-2016 | Dec-Feb | Bucks | up to 7 orioles frequented a yard in Middletown Twp., where present for the fourth winter. Six orioles were at 5 other locations 12/20-2/28 (m.ob.) |
| Baltimore Oriole | 2016-2017 | Dec-Feb | Erie | One at feeder in Fairview 1/30-2/1 (Karen Mead). Lycoming |
| Baltimore Oriole | 2016-2017 | Dec-Feb | Montgomery | One photographed at a feeder in West Norritin Twp. 12/16 (Greg Wirtz) |
| Baltimore Oriole | 2016-2017 | Dec-Feb | Philadelphia | One at Pennypack on the Delaware 12/2, one at feeder in East Falls 1/5-7 (Navin Sasikumar). |
| Baltimore Oriole | 2016-2017 | Dec-Feb | Bucks | Five attending feeder in Middletown Twp. through period (David Pentland), one in Solebury Twp. remaining from fall until 12/4 and replaced by another until 12/16 (Julie Davies), one at Penn-Warner Tract 12/11 (Devich Farbotnik, Tom Garner) |
| Baltimore Oriole | 2017-2018 | Dec-Feb | Allegheny | one at O'Hara Twp. Dec until 1/13 (Brian Shema). |
| Baltimore Oriole | 2017-2018 | Dec-Feb | Perry | one at private feeder 12/17 (Jean Devlin) and seen on the New Bloomfield CBC 12/23. |
| Baltimore Oriole | 2017-2018 | Dec-Feb | Bucks | one at feeder in Middletown Twp. through the period (David Pentland). |
| Baltimore Oriole | 2018-2019 | Dec-Feb | Philadelphia | one at Croasdale Manor 12/1 (Tony Croasdale). |
| Baltimore Oriole | 2018-2019 | Dec-Feb | Bucks | 3 in Middletown Twp, a male continuing from fall and 2 females 2/6 to end of period (David Pentland) |
| Baltimore Oriole | 2018-2019 | Dec-Feb | Montgomery | one at Mondauk Common Park 12/25 (Steve Grunwald) |
| Baltimore Oriole | 2019-2020 | Dec-Feb | Bucks | 2 at Churchville Park 12/7 (Mike Lee) and one at Middletown Twp feeder (David Pentland) |
| Baltimore Oriole | 2019-2020 | Dec-Feb | Chester | one in Landenberg 12/21-22 (Clyde Kessinger) |
| Baltimore Oriole | 2019-2020 | Dec-Feb | Mercer | one continued at Grove City until 12/11 (Jack Dowell) |
| Baltimore Oriole | 2019-2020 | Dec-Feb | Montgomery | one at Pennypack Ecological Restoration Trust 12/1 (Steve Grunwald). |
| Band-rumped Storm-Petrel | 1998 | Jan-Mar | Erie | A dead bird found on the beach at the mouth of Walnut Creek on 2/24 turned out to be this species. Once confirmed, this would be the first documented record for the state. More details will be published in our next issue |
| Band-rumped Storm-petrel | 2003 | Aug-Nov | Centre | 1-2 9/19 through 9/20 Bald Eagle SP (m. obs.) |
| Band-rumped Storm-Petrel | 2006 | Aug-Nov | Bucks | One on 9/2-3 at the Penn-Warner Tract. Initially believed to be a Wilson's Storm-Petrel on 9/2 presumably the same bird was seen again 9/3 and the identity changed to Band-rumped Storm-Petrel based on rump pattern and flight characteristics (Devich Farbot |
| Bank Swallow | 1993 | Oct-Dec | Lancaster | last seen 10/4 at Washington Boro (J. Heller, B. Schutsky) |
| Bank Swallow | 1993 | Oct-Dec | York | last seen 10/1 |
| Bank Swallow | 1994 | Oct-Dec | Lancaster | 8 on 10/1 at Washington Boro (Jonathan Heller) |
| Bank Swallow | 1994 | Oct-Dec | York | Up to 10/9 |
| Bank Swallow | 1995 | Oct-Dec | York | Present up to 10/8 (Al Spiese) |
| Bank Swallow | 1996 | Oct-Dec | Bucks | present up to 10/13 at Peace Valley Co. Park (August Mirabella) |
| Bank Swallow | 1996 | Oct-Dec | York | present up to 10/6 at Brunner's Island (John & Jean Prescott) |
| Bank Swallow | 1997 | Oct-Dec | Montgomery | Present til 10/7 at Green Lane Res.(Kevin Crilley) |
| Bank Swallow | 1997 | Oct-Dec | York | Present til 11/1 (late) |
| Bank Swallow | 1998 | Oct-Dec | Lancaster | Present up to 10/3 at Bainbridge (Bruce Carl) |
| Bank Swallow | 1998 | Oct-Dec | York | Present up to 10/24 at Gut Road (John & Jean Prescott) |
| Bank Swallow | 1999 | Oct-Dec | Erie | Present up to 10/7 (late) at Presque Isle SP (Jerry McWilliams) |
| Bank Swallow | 1999 | Oct-Dec | Butler | Present up to 10/4 at Moraine SP (Margaret Higbee, Linda Wagner) |
| Bank Swallow | 2000 | Jan-Mar | Franklin | First seen on 3/27 at Greencastle Reservoir (Dale Gearhart) |
| Bank Swallow | 2000 | Oct-Dec | Crawford | Present up to 10/9 at Hartstown Marsh (Marvin Byler) |
| Bank Swallow | 2000 | Oct-Dec | Philadelphia | Present up to 10/8 |
| Bank Swallow | 2001 | Oct-Dec | York | 4 on 10/5 & 10/13 at Codorus Furnace (John & Jean Prescott) |
| Bank Swallow | 2001 | Oct-Dec | Bucks | 1 on 10/17 at Peace Valley Park (August & Judy Mirabella) |
| Bank Swallow | 2019-2020 | Dec-Feb | Philadelphia | one at NE water treatment plant until 1/14 (m.ob.). |
| Barn Owl | 2001 | Jul-Sep | Bucks | present all quarter, 2 nests with 6 young in Bedminster Twp. (Devich Farbotnik) |
| Barn Owl | 2001 | Jul-Sep | Dauphin | a nest with three young at the end of the quarter near Hershey (Joey Brandt) |
| Barn Owl | 2002 | Jul | Bucks | resident-2 nesting boxes used in Bedminster Twp.(August Mirabella) |
| Barn Owl | 2002 | Jul | Lebanon | 2 in Palmyra 4/27 (Jane Light) & 1 in Fontana 6/24 (Jeff Hackman) |
| Barn Owl | 2003 | Mar-May | Bucks | present |
| Barn Owl | 2003 | Mar-May | Somerset | 1 on 4/22 observed hunting over Buffalo Creek at dawn was the first in the county for years (Jeff Payne) |
| Barn Owl | 2003 | Mar-May | Cumberland | recorded 3/1 (observer and location not indicated) |
| Barn Owl | 2003 | Mar-May | Dauphin | present the entire period |
| Barn Owl | 2003 | Mar-May | Bedford | Continues to use old grain silos at Dunnings Creek Wetlands |
| Barn Owl | 2003 | Mar-May | Lebanon | a pair on 5/30 with 4 young at State Game Lands 145 (Randy Miller) |
| Barn Owl | 2003 | Mar-May | Bucks | 1 from a Bedminster Twp.silo (Devich Farbotnik) |
| Barn Owl | 2004 | Mar-May | Bucks | 1 at Bedminster Twp. 4/10 and 5/8 (Bill Etter) |
| Barn Owl | 2004 | Mar-May | Chester | 1 at Stuble Lake 4/15 (observer not listed) |
| Barn Owl | 2004 | Mar-May | Berks | 2 adults, 6 eggs and 1 chick in a box in Rehrersburg on 4/7 (Rich Bonnett) |
| Barn Owl | 2004 | Jun-Jul | Franklin | confirmed nesting at several locations |
| Barn Owl | 2004 | Mar-May | Montgomery | 1 present in central Montgomery (location and observer not listed) |
| Barn Owl | 2005 | Mar-May | Berks | a nest box in Rehrersburg contained six chicks and an egg 5/3 (Rich Bonnett) |
| Barn Owl | 2005 | Mar-May | Lebanon | present at SGL 145 where a nest containing two eggs was found 3/19 (Ryan Miller) |
| Barn Owl | 2005 | Jun-Jul | Huntingdon | first observed in early May, a pair returned to a nest site in the Shaver's Creek valley (David Kyler) |
| Barn Owl | 2006 | Mar-May | Huntingdon | one 5/6 (Doug Steigerwalt); and 5/30 (David Kyler) at a nest site in the Shaver's Creek Valley |
| Barn Owl | 2006 | Mar-May | Lebanon | one hunting around Lebanon Valley Business Park 3/10 (Randy Miller); birds were found in two other locations; one location with young 5/29 (John Fedak). |
| Barn Owl | 2006-2007 | Dec-Feb | Berks | Two on the Hamburg CBC 12/31 |
| Barn Owl | 2006-2007 | Dec-Feb | Juniata | Found in at least six barns during the winter season (fide Chad Kauffman) |
| Barn Owl | 2006-2007 | Dec-Feb | Lancaster | One on Southern Lancaster CBC |
| Barn Owl | 2006-2007 | Dec-Feb | Northumberland | A pair already nesting 1/28 (Wayne Laubscher). |
| Barn Owl | 2007 | Mar-May | Juniata | 2 on Cedar Springs Rd. 3/3 (Chad Kauffman Henry Petersheim Art Shiavo Geoff Malosh). |
| Barn Owl | 2007 | Jun-Jul | Lancaster | nested and produced 2 young at Middle Creek WMA (m.ob.) |
| Barn Owl | 2007 | Mar-May | Cumberland | 6 tallied during the PAMC 5/12 |
| Barn Owl | 2007 | Jun-Jul | Lebanon | nested and produced 2 young at Middle Creek WMA (m.ob.) |
| Barn Owl | 2007 | Mar-May | Huntingdon | one at Shaver's Creek Environmental Center 5/5 (m.ob.) |
| Barn Owl | 2007-2008 | Dec-Feb | Dauphin | One on Harrisburg CBC, 12/15 |
| Barn Owl | 2007-2008 | Dec-Feb | Juniata | Two on Lewistown CBC, 12/15 |
| Barn Owl | 2007-2008 | Dec-Feb | Lancaster | One on Lititz CBC, 12/30. |
| Barn Owl | 2008-2009 | Dec-Feb | Union | one on Lewisburg CBC 12/14. |
| Barn Owl | 2008-2009 | Dec-Feb | Berks | two on Hamburg CBC 12/28, one in Bern Twp. 1/13, 2/24 (Joan Silagy) |
| Barn Owl | 2008-2009 | Dec-Feb | Dauphin | two on Curtin CBC 12/29 |
| Barn Owl | 2008-2009 | Dec-Feb | Cumberland | two reported from SGL 169 on 12/15 (Andy Markel) |
| Barn Owl | 2008-2009 | Dec-Feb | Juniata | two on Lewistown CBC 12/15 |
| Barn Owl | 2009 | Jun-Jul | Dauphin | one in a nest box along Swatara Road in the Hershey IBA (Alex Lamoreau) |
| Barn Owl | 2009 | Mar-May | Huntingdon | 2 found during the Shaver's Creek Environmental Center Birding Cup (Doug Wentzel, Josh Potter, et al.) |
| Barn Owl | 2009 | Mar-May | Juniata | two in Oakland Mills 3/22 (Henry Petersheim) |
| Barn Owl | 2009 | Mar-May | Lebanon | a pair nesting at the Lebanon Landfill 4/20 (Richard Light). |
| Barn Owl | 2009 | Mar-May | Berks | one near Hamburg the entire period (Matt Wlasniewski) |
| Barn Owl | 2009 | Mar-May | Bedford | found during the Pennsylvania Migration Count 5/9 at Dunnings Creek Wetlands where they breed (Tom Dick) |
| Barn Owl | 2009-2010 | Dec-Feb | Cumberland | present during part of season at SGL 169 |
| Barn Owl | 2009-2010 | Dec-Feb | Somerset | one found in barn near Summit Mills late Dec, found dead of unknown cause in Jan (Joe Hertzler, Alan Peterson, Jeff Payne, Chris Payne) |
| Barn Owl | 2009-2010 | Dec-Feb | Juniata | one on Lewistown CBC 12/19 |
| Barn Owl | 2009-2010 | Dec-Feb | Union | one on Lewisburg CBC. |
| Barn Owl | 2010 | Mar-May | Dauphin | one in East Hanover Twp. 4/23 (Sally and RichZaino), three successful nest sites at the Milton S. Hershey School Barns (Richard Williams) |
| Barn Owl | 2010 | Mar-May | Bucks | an owl believed to be this species was seen flying over a road in Quakertown (ArleneFarbotnik) |
| Barn Owl | 2010 | Mar-May | Cumberland | present at State Game Lands 169 on 3/15 (Andy Markel) and 4/15 (Vern Gauthier) |
| Barn Owl | 2010 | Mar-May | Juniata | two visited a barn on Cuba Mills Road 3/24 (RaymondSwarey). |
| Barn Owl | 2010-2011 | Dec-Feb | Union | 4 on Lewisburg CBC. |
| Barn Owl | 2010-2011 | Dec-Feb | Dauphin | one on Curtin CBC |
| Barn Owl | 2010-2011 | Dec-Feb | Juniata | one on Lewistown CBC 12/18 |
| Barn Owl | 2010-2011 | Dec-Feb | Lancaster | reported on Southern Lancaster CBC 12/19 |
| Barn Owl | 2010-2011 | Dec-Feb | Lebanon | one on Pine Rd. 2/5 (Mike Johnson eBird) |
| Barn Owl | 2010-2011 | Dec-Feb | Philadelphia | one rested on the 20th floor ledge at 5th & Walnut 2/16 (Sarah Hood). On 2/18, presumably the same bird was found in a stair wellon 18th St. and taken to rehab where it died (JudyStepenaski) |
| Barn Owl | 2011 | Mar-May | Bedford | one at Dunnings Creek Wetlands 5/21 (Mike Lanzone) |
| Barn Owl | 2011 | Mar-May | Bucks | one at Bedminster Twp. 5/26 (Devich Farbotnik). |
| Barn Owl | 2011-2012 | Dec-Feb | Dauphin | one along Swatara Rd. within the Hershey IBA 1/19 (Melissa Roach, Tom Johnson), and another there 2/7 (Steve Kersting) |
| Barn Owl | 2011-2012 | Dec-Feb | Franklin | one at a farm near St. Thomas 2/29 (Dale Gearhart) |
| Barn Owl | 2011-2012 | Dec-Feb | Juniata | one reported via eBird 1/14 (Ramsay Koury) |
| Barn Owl | 2011-2012 | Dec-Feb | Philadelphia | one in the nw. section of the city died in rehab, and another report near Northeast High School in early Dec was not confirmed. |
| Barn Owl | 2012 | Mar-May | Snyder | See County report |
| Barn Owl | 2012 | Mar-May | Somerset | See County report |
| Barn Owl | 2012 | Mar-May | Lebanon | See County report |
| Barn Owl | 2012 | Mar-May | Bedford | See County report |
| Barn Owl | 2012 | Mar-May | Bucks | See County report |
| Barn Owl | 2012 | Mar-May | Dauphin | See County report |
| Barn Owl | 2012 | Mar-May | Franklin | See County report |
| Barn Owl | 2012 | Mar-May | Huntingdon | See County report |
| Barn Owl | 2012-2013 | Dec-Feb | Mercer | See Local Notes |
| Barn Owl | 2012-2013 | Dec-Feb | Union | Lewisburg CBC |
| Barn Owl | 2012-2013 | Dec-Feb | Bucks | See Local Notes |
| Barn Owl | 2012-2013 | Dec-Feb | Clearfield | See Local Notes |
| Barn Owl | 2012-2013 | Dec-Feb | Dauphin | Curtin CBC |
| Barn Owl | 2012-2013 | Dec-Feb | Juniata | See Local Notes |
| Barn Owl | 2012-2013 | Dec-Feb | Lancaster | See Local Notes |
| Barn Owl | 2012-2013 | Dec-Feb | Berks | See Local Notes |
| Barn Owl | 2013 | Mar-May | Bedford | one found dead at Dunnings Creek Wetlands 3/20 (Tom Dick) |
| Barn Owl | 2013 | Mar-May | Bucks | nested successfully for the second year in a row (Devich Farbotnik) |
| Barn Owl | 2013 | Mar-May | Dauphin | three active nests during the season at Milton S. Hershey campus (Nate McKelvie) |
| Barn Owl | 2013 | Mar-May | Erie | one at Presque Isle State Park 5/12 (Roger Donn) |
| Barn Owl | 2013 | Mar-May | Lebanon | one near Ono 4/3 (Dave McNaughton) |
| Barn Owl | 2013 | Mar-May | Montgomery | one recorded during nocturnal flight at Elkins Park 5/10 (Paul Driver) |
| Barn Owl | 2013 | Mar-May | Snyder | one near Beaver Springs 3/28 (Jason Weller). |
| Barn Owl | 2013-2014 | Dec-Feb | Cumberland | See Local Notes. |
| Barn Owl | 2013-2014 | Dec-Feb | Bucks | See Local Notes. |
| Barn Owl | 2013-2014 | Dec-Feb | Centre | See Local Notes. |
| Barn Owl | 2013-2014 | Dec-Feb | Juniata | See Local Notes. |
| Barn Owl | 2013-2014 | Dec-Feb | Lancaster | See Local Notes. |
| Barn Owl | 2013-2014 | Dec-Feb | Lebanon | See Local Notes. |
| Barn Owl | 2013-2014 | Dec-Feb | Union | See Local Notes. |
| Barn Owl | 2014 | Mar-May | Lycoming | nested near Elimsport and produced five young (Mario Giazzon). |
| Barn Owl | 2014 | Mar-May | Dauphin | four active nests at the Milton S. Hershey School Campus (Nate McKelvie) |
| Barn Owl | 2014 | Mar-May | Bedford | nested successfully (Tom Dick) |
| Barn Owl | 2014 | Mar-May | Bucks | a pair present (Devich Farbotnik) |
| Barn Owl | 2014 | Mar-May | Cumberland | one at State Game Lands 169 on 3/28 (Vern Gauthier) |
| Barn Owl | 2014-2015 | Dec-Feb | Huntingdon | one at Three Springs 2/15 (Neal Gracey) |
| Barn Owl | 2014-2015 | Dec-Feb | Juniata | one at Thompsontown 1/17 Chad Kauffman, Susan Strassner), and one 1/17 at an undisclosed location (Steven Jackson) |
| Barn Owl | 2014-2015 | Dec-Feb | Juniata | 3 during the Lewistown CBC 12/20 |
| Barn Owl | 2014-2015 | Dec-Feb | Centre | One during the Penn's Valley CBC 12/16 |
| Barn Owl | 2014-2015 | Dec-Feb | Dauphin | one near Hershey 12/23 (Tim Becker) |
| Barn Owl | 2014-2015 | Dec-Feb | Northumberland | one at Pfleegor's farm 2/18 (Lauren Shaffer), one northern Northumberland 2/11 (Deuane Hoffman), and one at Moore Drive and Gearhart Rd. 2/1011 (Andy Keister). |
| Barn Owl | 2015 | Mar-May | Bucks | one found dead 3/19 (Devich Farbotnik) and one heard 3/20 |
| Barn Owl | 2015 | Mar-May | Chester | one in an undisclosed location (Kevin Fryberger) and one heard in the Unionville area 4/12 (Kelley Nunn) |
| Barn Owl | 2015 | Mar-May | Dauphin | three active nests during the season at Milton S. Hershey School campus (Nate McKelvie) |
| Barn Owl | 2015 | Mar-May | Franklin | returned to a nest box near St. Thomas 3/25 (Dale Gearhart) |
| Barn Owl | 2015 | Mar-May | Lebanon | one in the Lawn area 5/8 (Gordon Dimmig) |
| Barn Owl | 2015 | Mar-May | Lycoming | nesting at White Deer Valley (Andy Keister) |
| Barn Owl | 2015 | Mar-May | Somerset | one at Buffalo Creek (Alan Peterson, Chris Payne, Jeff Payne, Kim VanFleet). |
| Barn Owl | 2015-2016 | Dec-Feb | Berks | one on the Hamburg CBC 12/27 and one roosting in a silo in Albany Twp. 2/15 (Bracken Brown) |
| Barn Owl | 2015-2016 | Dec-Feb | Centre | 2 near Millheim during the Penns Creek CBC 12/16 (Sean Herrmann). A continuing female on a farm near Spring Mills 2/20 (Alex Lamoreaux, Elora Grahame). |
| Barn Owl | 2016 | Mar-May | Dauphin | a pair with eggs in the Hershey Important Bird Area 5/12 (Tim Becker, Nate McKelvie) |
| Barn Owl | 2016 | Mar-May | Somerset | a pair observed in a silo near Shanksville 4/16 (observer not listed). |
| Barn Owl | 2016 | Mar-May | Bedford | a pair continue to nest at Dunnings Creek Wetlands (Tom Dick) |
| Barn Owl | 2016 | Mar-May | Lancaster | one in Rapho Twp. 4/30 (Jonathan Heller) |
| Barn Owl | 2016 | Mar-May | Centre | one at Bald Eagle State Park 4/17 (Lindera Carter, John Carter), two nests on a farm near Milheim (fide Joe Gyekis) |
| Barn Owl | 2016 | Mar-May | Chester | detected by nocturnal flight calls in Unionville 3/22 and 4/25 (Kelley Nunn), a pair is known to reside in the county (Kevin Fryberger) |
| Barn Owl | 2016 | Mar-May | Franklin | one active nest in the county (Dale Gearhart, Bill Oyler, Carl Garner) |
| Barn Owl | 2016-2017 | Dec-Feb | Juniata | One near Thompsontown 1/29-2/20 (Chad Kauffman, David McNaughton, Robert Hosler). |
| Barn Owl | 2016-2017 | Dec-Feb | Centre | One in barn near Millheim 1/2-19 (Carl Engstrom, Kurt Engstrom, John Carter) |
| Barn Owl | 2016-2017 | Dec-Feb | Cumberland | One at SGL 169 barn 2/22-29 (Vernon Gauthier, Scott Brookens, Susan Strassner) |
| Barn Owl | 2016-2017 | Dec-Feb | Franklin | One near Cheesetown 1/29 (Bill Oyler) |
| Barn Owl | 2017 | Jun-Jul | Centre | 16 owlets in 2 nests west of Coburn were banded 6/29, with 2 adults also visible (Joe Gyekis) |
| Barn Owl | 2017 | Mar-May | Chester | one at Octorara Reservoir 4/26 (Patrick Millar) |
| Barn Owl | 2017 | Jun-Jul | Mifflin | following up on vocalizations reported at Wills Rd on 5/28 (Amos Swarey) a female was present in an abandoned silo on Middle Rd 6/3 (Jay Zook, Jon Kauffman), reports of a male and female continued through the season at a private residence outside Milroy 7 |
| Barn Owl | 2017 | Mar-May | Allegheny | one recorded calling during the night in MoonTwp. 5/27 (Geoff Malosh) |
| Barn Owl | 2017 | Mar-May | Centre | one southwest of Coburn 4/185/10 (Joe Verica, et al.) and 4 north of Coburn 5/13 (observer notlisted) |
| Barn Owl | 2017 | Jun-Jul | Lycoming | recorded calling over Montoursville evening of 6/10 (David Brown, recording station) |
| Barn Owl | 2017 | Mar-May | Mifflin | pair outside Milroy(Jon Kaufman, John Mackin), others in the same area during the season, one on Back Mt. Rd 4/29 (Robert Hosler, Chad Kauffman),one on Siglerville Pike 5/6 (Ted Nichols II, Deuane Hoffman, Ian Gardner, Vince Pantanella). |
| Barn Owl | 2017 | Mar-May | Lebanon | one at Ft. Indiantown Gap 4/17 (Dave McNaughton) |
| Barn Owl | 2017 | Mar-May | Lycoming | present in known locations |
| Barn Owl | 2017 | Jun-Jul | Northumberland | 3 observed at nest box in barn near Turbotville 6/3 (Kirk Jeffreys, Sean Jeffreys, Roxan Chicalo) |
| Barn Owl | 2017 | Jun-Jul | York | an adult seen 6/15 at Frey farm in Washington Twp., which has long hosted this species (Dick Cleary), 4 nestlings banded there 7/13 (Diane Drobko, Anne Murren, m.ob.). |
| Barn Owl | 2017-2018 | Dec-Feb | Cumberland | one at SGL 230 |
| Barn Owl | 2017-2018 | Dec-Feb | Juniata | one at private location (Edward Smiley, Steven Johnson, Tiffany Willow, Chad Kauffman) |
| Barn Owl | 2017-2018 | Dec-Feb | Northampton | one at Penn Argyl 1/6 (Scott Angus). |
| Barn Owl | 2017-2018 | Dec-Feb | Clinton | one at Salona farm 12/24 through at least Jan (Stephen Allgyer) |
| Barn Owl | 2017-2018 | Dec-Feb | Centre | one on Penns Valley farm and seen on the Penns Creek CBC 12/27-30. |
| Barn Owl | 2018 | Mar-May | Centre | one in flight along Paradise Rd. 5/1 (Jen Lee) |
| Barn Owl | 2018 | Mar-May | Delaware | one or 2 heard at Concord Trail 3/19 (Brian Quindlen) |
| Barn Owl | 2018 | Mar-May | Erie | one seen in mid-April, location not listed (Don Snyder) |
| Barn Owl | 2018 | Mar-May | Juniata | 2 in separate undisclosed locations in May |
| Barn Owl | 2018 | Mar-May | Lebanon | one at SGL 45 on 5/25 (Carol Light) |
| Barn Owl | 2018 | Mar-May | Mifflin | bred near Milroy, 4 chicks banded 5/20 (Tim Becker, Steve Eisenhauer, Amber Goss, Jon Kauffman, Nate McKelvie, Alicia Palmer). |
| Barn Owl | 2018 | Mar-May | Bedford | one at Allegheny Front 4/20 (Tom Dick) |
| Barn Owl | 2018-2019 | Dec-Feb | Centre | one near Spring Mills 12/15 (Joe Gyekis) |
| Barn Owl | 2018-2019 | Dec-Feb | Berks | one on Hamburg CBC 12/30 |
| Barn Owl | 2018-2019 | Dec-Feb | Schuylkill | one on Hamburg CBC 12/30 |
| Barn Owl | 2018-2019 | Dec-Feb | Franklin | one in Edenville area 2/2 (Bill Oyler). |
| Barn Owl | 2019 | Mar-May | Adams | one detected by night call monitoring 5/16 |
| Barn Owl | 2019 | Mar-May | Centre | one near Milheim 5/4 (Carl Engstrom, et al.) |
| Barn Owl | 2019 | Mar-May | Franklin | one in Edenville Area 3/10 (Bill Oyler, Bob Koontz, Carl Garner) |
| Barn Owl | 2019 | Mar-May | Lancaster | one at Mt. Joy 5/5 (Jonathan Heller) |
| Barn Owl | 2019 | Mar-May | Mifflin | a nest was monitored by a live cam from 4/24 through the season at an undisclosed location. |
| Barn Owl | 2020 | Mar-May | Cumberland | one in West Penn Twp. 4/1 (Tim Johnson) |
| Barn Owl | 2020 | Mar-May | Franklin | nesting in the Edenville area (Bill Oyler) |
| Barn Owl | 2020 | Mar-May | Lancaster | one heard at the northeast Lancaster Gamelands 3/14 (Bruce Carl). |
| Barn Owl | 2020 | Mar-May | Centre | one 3/9-27 and 5/2 near Spring Mills (Joe Gyekis, et al.), one near Millheim 3/24 (Jim Dunn) |
| Barn Owl | 2021 | Mar-May | Centre | one at Shamrock 3/15 and one in State College 4/14, both heard from nocturnal flight call counts (Joe Gyekis) |
| Barn Owl | 2021 | Mar-May | Delaware | one on nocturnal flight call recording at Wallingford 3/12 (Rob Fergus) |
| Barn Owl | 2021 | Mar-May | Franklin | 2 near Edenville 3/5 (observer not listed) |
| Barn Owl | 2021-2022 | Dec-Feb | Adams | one at Virginia Mills 12/20 (Tony Arnold) |
| Barn Owl | 2021-2022 | Dec-Feb | Franklin | up to 2 in the St Thomas-Edenville area |
| Barn Owl | 2021-2022 | Dec-Feb | Lancaster | one at Muddy Run Reservoir 12/19 (Tom Amico). |
| Barn Owl | 2022 | Mar-May | Adams | one called at Virginia Mills 5/30 (Tony Arnold) |
| Barn Owl | 2022 | Mar-May | Franklin | up to 2 in St. Thomas-Edenville area during the season |
| Barn Owl | 2022 | Mar-May | Lancaster | one at SGL220 on 5/26 (Jeff Kenney, Angela Romanczuk, Liz Pettit) |
| Barn Owl | 2022 | Mar-May | Mifflin | one in flight along Front Mt. Road 5/6 (Rob Dickerson) |
| Barn Owl | 2022 | Mar-May | Montgomery | calls recorded over Franconia Twp. 3/22, 4/3, 4/25 and 5/20 (Scott Godshall). |
| Barn Owl | 2023 | Mar-May | Adams | one at Virginia Mills 3/21 (Tony Arnold) |
| Barn Owl | 2023 | Mar-May | Blair | one recorded at a NFC station in Plummer's Hollow 4/20 (Mark Bonta) |
| Barn Owl | 2023 | Mar-May | Centre | four young and two adults at Centre Hall 3/8-5/23 (Jon Kauffman, et al.), one heard at a NFC station in State College (Joe Gyekis) |
| Barn Owl | 2023 | Mar-May | Clinton | one heard at State Game Lands 255 on 5/5 (Matthew Schenck, Peter Shaver) |
| Barn Owl | 2023 | Mar-May | Dauphin | six young banded at an undisclosed location 5/19 (Scott Bills, Stephanie Bills) |
| Barn Owl | 2023 | Mar-May | Franklin | nesting at two undisclosed locations |
| Barn Owl | 2023 | Mar-May | Monroe | one at West End, no date (Cory Husic) |
| Barn Owl | 2023 | Mar-May | Montgomery | one recorded in Franconia Twp. 4/10 (Scott Godshall) |
| Barn Owl | 2023 | Mar-May | Philadelphia | one picked up on a Nocturnal Recording Device 5/8. |
| Barn Owl | 2023 | Jun-Jul | Berks | the only report was seen by chance when it flushed from a farm and was chased by an American Kestrel and other birds into a field in Heidelberg Twp. 6/26 (Anon) |
| Barn Owl | 2023 | Jun-Jul | Franklin | up to two detected until 7/1 in St. Thomas Twp (Bill Oyler) and 3 detected, including young, near Chambersburg 6/3 (Andrew Markel, Billy Weber) |
| Barn Owl | 2023 | Jun-Jul | Lancaster | one or two observed at nest box on State Game Lands 220 in July (m.ob., eBird, ph.), and heard during early morning of 6/6 near New Holand (Zach Hillen, eBird), and four banded by Dan Mummert (PGC) on 6/21 at Kauffman Orchards in Ronks (Joey Della Penna, |
| Barn Owl | 2023-2024 | Nov-Feb | Franklin | one at its historical nest site |
| Barn Owl | 2023-2024 | Nov-Feb | Juniata | four were recorded on the CBC 12/16 and one was on a nest in early Jan |
| Barn Owl | 2023-2024 | Nov-Feb | Mifflin | at five locations in Big Valley. |
| Barn Swallow | 1992 | Oct-Dec | Berks | 1 at Shartlesville 10/24 (Rudy Keller, Bob & Joan Silagy) |
| Barn Swallow | 1992 | Oct-Dec | Bucks | 1 at Nockamixon SP 11/12 (S. Farbotnik) |
| Barn Swallow | 1992 | Oct-Dec | Chester | 1 at Marsh Creek SP 11/2 |
| Barn Swallow | 1992 | Oct-Dec | Dauphin | present into Oct |
| Barn Swallow | 1992 | Oct-Dec | Philadelphia | 1 at Tinicum 10/5 (Nick Pulcinella). Note: All were from s.e. counties |
| Barn Swallow | 1993 | Jan-Mar | Bucks | 1 at Nockamixon SP 3/30 (Steve Farbotnik) |
| Barn Swallow | 1993 | Jan-Mar | Franklin | 2 at Welty Rd. 3/31 (Carl Garner) |
| Barn Swallow | 1995 | Jan-Mar | Butler | 1 on 3/30 at L. Arthur was early (Carroll LaBarthe) |
| Barn Swallow | 1995 | Jan-Mar | Mifflin | 27 on 3/22 (Margaret Kenepp) |
| Barn Swallow | 1996 | Jan-Mar | Philadelphia | first seen on 3/31 at Mt. Airy (Harry & George Armistead) |
| Barn Swallow | 1996 | Jan-Mar | York | first seen 3/31 |
| Barn Swallow | 1997 | Jan-Mar | Cumberland | Present from 3/31at Big Spring Fish & Game (Deuane Hoffman) |
| Barn Swallow | 1997 | Jan-Mar | Westmoreland | Present from 3/29 at Mannitto L. (Dennis Lauffer) |
| Barn Swallow | 1997 | Jan-Mar | York | Present from 3/27 (early) |
| Barn Swallow | 1997 | Oct-Dec | Berks | recorded up to 10/27 at L. Ontelaunee (Matt Spence) |
| Barn Swallow | 1997 | Jan-Mar | Franklin | 5 on 12/20 a on the Chambersburg CBC were late |
| Barn Swallow | 1997 | Oct-Dec | Montgomery | Present til 10/21 at Green Lane Res.(Kevin Crilley) |
| Barn Swallow | 1997 | Oct-Dec | Schuylkill | 1 on 10/1 at Landingville Dam (Mike Ward) |
| Barn Swallow | 1998 | Jan-Mar | Franklin | 1 on 3/19 at Lemar Rd. was early (Dale Gearhart) |
| Barn Swallow | 1998 | Jan-Mar | Mifflin | 7 on 3/19 were early (Margaret Kenepp) |
| Barn Swallow | 1999 | Oct-Dec | Butler | Present up to 10/8 at Moraine SP (Debbie Yovanovich) |
| Barn Swallow | 1999 | Oct-Dec | Dauphin | Present into Oct |
| Barn Swallow | 2001 | Jan-Mar | Butler | 1 unusually early bird at Lake Arthur from 3/25 through the end of the quarter (Debbie Yovanovich, Dave Darney) |
| Barn Swallow | 2001 | Jan-Mar | Clinton | 1 on 3/31 at Lock Haven (Lynn Earon) |
| Barn Swallow | 2001 | Jan-Mar | Dauphin | 1 along the Susquehanna River at Harrisburg from 3/24 through the end of the quarter (Ramsey Koury, Joan Renninger) |
| Barn Swallow | 2001 | Jan-Mar | Westmoreland | 1 at Manito Lake on 3/31 (Dennis Lauffer) |
| Barn Swallow | 2001 | Jan-Mar | Delaware | 1 at Philadelphia International Airport on 3/31 (Nick Pulcinella) |
| Barn Swallow | 2009-2010 | Dec-Feb | Philadelphia | 2, possibly 3, at Northeast Water Pollution Control Plant One 12/29-1/18, with at least one still present 3/1 (Tom Johnson, Steve DuPont)—this may represent a first Jan record for Pennsylvania. |
| Barn Swallow | 2011-2012 | Dec-Feb | Philadelphia | one at Northeast Wastewater Treatment Plant 12/1-17 with Northern Rough-winged Swallows (m.ob.). |
| Barn Swallow | 2015-2016 | Dec-Feb | Philadelphia | one at the NE Philadelphia Treatment Plant 12/19-1/9 and recorded for the Pennypack Valley CBC 12/19 (Todd Fellenbaum, m.ob.). |
| Barn Swallow | 2020-2021 | Dec-Feb | Lancaster | one continued at Washington Boro water treatment plant until 12/20 (Jerry Book). |
| Barn Swallow | 2021-2022 | Dec-Feb | Philadelphia | one at Northwest Water Treatment Plant through 2/8 (Christopher Hinkle, m.ob.). |
| Barn Swallow | 2023-2024 | Nov-Feb | Centre | one at the Duck Pond 2/29 (Dan Hannon) |
| Barn Swallow | 2023-2024 | Nov-Feb | Montgomery | one at Valley Forge National Historic Park 12/2 (Dave Belford, Adrian Melck) was a first winter county record. |
| Barnacle Goose | 1994 | Jan-Mar | Montgomery | 1 at Green Lane Res. 3/13-18 (A. Mirabella) |
| Barnacle Goose | 1995 | Jan-Mar | Chester | 1 on 1/21 at Marsh Creek SP (Early Bird Nature Tours) |
| Barnacle Goose | 1996 | Jan-Mar | Chester | 3 in early March at Hibernia Lake (no details) |
| Barnacle Goose | 1996 | Jan-Mar | Lancaster | 1 on 3/2-24 at Middle Creek WMA (Mark McConaughy) and 1 on 3/10 at Washington Boro (no details) (Eric Witmer, Tom Garner) |
| Barnacle Goose | 1996 | Jan-Mar | Northampton | 1 on 3/20 near Green Pond Rd. (Dennis Miller) |
| Barnacle Goose | 1996 | Oct-Dec | Montgomery | present from 11/23 through Dec at Green Lane Res.(Gary Freed, Jason Horn) |
| Barnacle Goose | 1997 | Jan-Mar | Chester | 1 on 1/14 at Marsh Creek SP (Larry Lewis) (no details); and 1 on 2/1 at Struble L. (Larry Lewis, Grier Saunders, Mary Alice Knox) (no details) |
| Barnacle Goose | 1997 | Jan-Mar | Lancaster | 1 on 3/6-13 at Middle Creek WMA (m. obs.) |
| Barnacle Goose | 1998 | Jan-Mar | Berks | 1 on 2/14 at Hereford (Rick Wiltraut) |
| Barnacle Goose | 1998 | Jan-Mar | Montgomery | 4 on 2/15 at Green Lane Res. (August & Judy Mirabella) |
| Barnacle Goose | 1998 | Jan-Mar | Bucks | 5 on 1/10-11 at Peace Valley Park and several nearby ponds was the second county record (m. obs.) |
| Barnacle Goose | 1999 | Jan-Mar | Bucks | 1 on 1/31-3/6 at Peace Valley (m. obs.) |
| Barnacle Goose | 1999 | Jan-Mar | Montgomery | 1 on 1/21 at Green Lane Res and 1 on 3/2 at Oreland (Bill & Naomi Murphy) |
| Barnacle Goose | 1999 | Jan-Mar | York | 1 shot by a hunter on 1/20 at Codorus SP |
| Barnacle Goose | 1999 | Apr-Jun | Berks | 1 on 5/8-28 at Oley (Rudy Keller, Harold Lebo)( no details) |
| Barnacle Goose | 1999 | Jan-Mar | Bucks | 1 on 12/3-9 at Peace Valley Park (August Mirabella) |
| Barnacle Goose | 1999 | Oct-Dec | Montgomery | 1 on 11/26 at Green Lane Reservoir (Kevin Crilley) |
| Barnacle Goose | 2000 | Jan-Mar | Chester | 1 on 2/29 at Struble Lake (Grier Saunders, Larry Lewis) |
| Barnacle Goose | 2000 | Oct-Dec | Bucks | 1 on 11/10-12/23 at Peace Valley County Park (August Mirabella, et al) |
| Barnacle Goose | 2002 | Jan-Mar | Bucks | 1 from 2/8 (A. Mirabella, J. Mirabella) through 2/19 (P. Lehman) at Buckingham Twp. (Presumably an escapee) |
| Barnacle Goose | 2004-2005 | Dec-Feb | Bucks | one at Churchville Res.1/30 (Nick Zahn, Devich Farbotnik) and one was first reported at Peace Valley Park 2/28 (Ken Rieker) |
| Barnacle Goose | 2004-2005 | Dec-Feb | Chester | one at Coatesville Res. 1/9 (Rick Robinson) |
| Barnacle Goose | 2004-2005 | Dec-Feb | Lancaster | one on Octorara L. 1/7 (Chuck Chalfant) |
| Barnacle Goose | 2005 | Mar-May | Bucks | one at Peace Valley Park 2/28-3/7 (m. obs.); one at Nockamixon State Park 3/12 may have been the same bird (Cameron Rutt); Another with an aviculturist's blue leg band was at Buckingham Twp. 5/25 (Russ Neiger) and stayed through the period |
| Barnacle Goose | 2006-2007 | Dec-Feb | Bucks | One reported 12/27 at Peace Valley Park (Steve Kacir) |
| Barnacle Goose | 2006-2007 | Dec-Feb | Montour | One found during CBC at Lake Chillisquaque 12/17 remained until 1/1. |
| Barnacle Goose | 2008-2009 | Dec-Feb | Bucks | one at Maple Knoll Farms 1/24 and Pineville 2/7 (Devich Farbotnik, no doc). |
| Barnacle Goose | 2010-2011 | Dec-Feb | Montgomery | One photographed at Green Lane Reservoir 2/23-27 (Anita Guris, Martin Dellwo, doc submitted). |
| Barnacle Goose | 2011 | Mar-May | Montgomery | one continued from last season at Green Lane Reservoir to at least 3/1 (George Franchois, doc submitted). |
| Barnacle Goose | 2012 | Aug-Nov | Bucks | one at Lower Makefield Twp. 10/30-31 (Devich Farbotnik, no doc). |
| Barnacle Goose | 2012-2013 | Dec-Feb | Bucks | one at Peace Valley Park 1/9-14 (Ian Baldock fide Devich Farbotnik, ph. Tom Johnson, doc submitted). |
| Barnacle Goose | 2013 | Mar-May | Northampton | one at Northampton Quarry 3/7-11 (Billy Weber, m.ob., no doc). |
| Barnacle Goose | 2014-2015 | Dec-Feb | Monroe | 2 at Weir Lake 12/11 through the end of the month (Bruce Johnson). |
| Barnacle Goose | 2015 | Mar-May | Lehigh | one at the Tillage Road vernal pond 3/17 (Chris Hugosson, Jason Horn, no doc). |
| Barnacle Goose | 2015-2016 | Dec-Feb | Philadelphia | two at Franklin D. Roosevelt Park 2/19 through the end of the period (Jim McConnell, m.ob.). |
| Barnacle Goose | 2017 | Aug-Nov | Northampton | one along Valley Center Parkwayin Hanover Twp. 11/22 (Steve Schmit) was relocated at SilverCrest Rd. outside of Bath 11/27 (Adam Miller, no doc). |
| Barnacle Goose | 2017 | Aug-Nov | Lehigh | one near Catasauqua 11/21 (Michael Cox, no doc) |
| Barnacle Goose | 2017-2018 | Dec-Feb | Northampton | one at Hanover Twp. ponds 12/3-10 (Dave DeReamus), thought to be same as one seen in Lehigh in Nov. |
| Barnacle Goose | 2018 | Aug-Nov | Bucks | one at Peace Valley Park 11/30 (Michael Fournier, doc submitted) |
| Barnacle Goose | 2018-2019 | Dec-Feb | Bucks | one at Peace Valley Park several times 11/30-12/17 (m.ob.), doc submitted |
| Barnacle Goose | 2018-2019 | Dec-Feb | Chester | one at Coatesville Reservoir 12/27-1/1 (Jeff Wahl, m.ob.) |
| Barnacle Goose | 2018-2019 | Dec-Feb | Lancaster | one at Greenfield Ponds 1/26 (Roger Stoner), one at Brenner Quarry 1/27-28 and 2/17 (m.ob.) |
| Barnacle Goose | 2018-2019 | Dec-Feb | Schuylkill | one at Sweet Arrow Lake and nearby fields 12/4-16 (m.ob.), doc submitted. |
| Barnacle Goose | 2019-2020 | Dec-Feb | Bucks | one in Lower Makefield Twp 12/12-25 (Dwight Molotsky, m.ob.). |
| Barnacle Goose | 2021-2022 | Dec-Feb | Bucks | one at Pine Run Dam and Delaware Valley Univ. 1/8-26 (Tom Fahie, m.ob.) |
| Barnacle Goose | 2021-2022 | Dec-Feb | Chester | one at Rolling Green Memorial Park and nearby locations 12/10-15 (Ross Gallardy, m.ob.) |
| Barnacle Goose | 2021-2022 | Dec-Feb | Delaware | one at Brinton Lake 12/16-17 (Adrian Binns, Debbie Beer) and at Springton Reservoir and Springton Lake Middle School 1/14-16 (m.ob.) |
| Barnacle Goose | 2021-2022 | Dec-Feb | Lehigh | one at Tillage Rd fields 2/18 (Jeff Hopkins, m.ob.). |
| Barnacle Goose | 2022 | Aug-Nov | Bucks | one at Core Creek Park 11/18 (Dwight Molotsky, doc submitted). |
| Barnacle Goose | 2022-2023 | Dec-Feb | Northampton | one at Albert Rd. Ponds 12/11-22 (Megan Davis, m.ob., doc submitted). |
| Barnacle Goose | 2023-2024 | Nov-Feb | Bucks | one at Peace Valley Park 1/13 (Tom Fahie) (doc submitted). |
| Barnacle x Cackling Goose | 2022 | Aug-Nov | Bucks | one at Pine Run Reservoir 11/7 (ph. Barbara Stollsteimer, Will Stollsteimer). |
| Barnacle x Cackling Goose | 2023 | Aug-Nov | Bucks | one at Peace Valley Park 11/28 (Linda Hamp, Kenneth Rieker) and at Pine Run Dam 11/29 (August Mirabella) was possibly the same bird as occurred in Bucks last year. |
| Barrow's Goldeneye | 1993 | Jan-Mar | Erie | 1 at Presque Isle 2/13-20 (Jerry McWilliams) |
| Barrow's Goldeneye | 1996 | Jan-Mar | Bucks | 1 on 2/11-21 between New Hope and Scudder's Falls was a first county record (Bill Hoehne) |
| Barrow's Goldeneye | 1996 | Jan-Mar | Bucks | Bob Scheibner reports that one was shot by a hunting friend on the Delaware River on 12/27 on the New Jersey side of the river. He speculates that this might be the same bird that had been seen in this area the past several winters |
| Barrow's Goldeneye | 2000 | Jan-Mar | Northampton | 3 on 2/20-26 at Foul Rift on the Delaware River and another male on 2/26 at Portland were 1st county records (Rick Wiltraut, et al) |
| Barrow's Goldeneye | 2001 | Jan-Mar | Bucks | 1 female on 1/19-3/11 at New Hope (Bill Hoehne) and possibly another on 1/27 at Yardley (Devich Farbotnik) |
| Barrow's Goldeneye | 2002 | Jan-Mar | Bucks | 1 female on 2/9 on the Delaware River at Yardley (D. Farbotnik) |
| Barrow's Goldeneye | 2002-2003 | Dec-Feb | Bucks | 1 female on 1/1 at Yardley (Devich Farbotnik, no doc.). This is the 4th county record for the species |
| Barrow's Goldeneye | 2003 | Mar-May | Northampton | 1 on 3/9 seen from the Portland Footbridge (Terry Master); 1 on 3/11 at the Fowl Rift area (Michael Schall) |
| Barrow's Goldeneye | 2003-2004 | Dec-Feb | Northampton | one 12/22 from the Portland footbridge (Billy Weber, Judy Weber, Michael Schall), a fourth county record |
| Barrow's Goldeneye | 2013-2014 | Dec-Feb | Bucks | one female at Morrisville 1/1 (Devich Farbotnik, no doc) and another female at Uhlerstown 2/8-16 (Devich Farbotnik, no doc) provided the sixth and seventh records for the county |
| Barrow's Goldeneye | 2013-2014 | Dec-Feb | Northampton | one female on the Delaware River near Portland 2/16-21 (Rick Wiltraut, m.ob., doc submitted). |
| Barrow's Goldeneye | 2014-2015 | Dec-Feb | Northampton | female on the Delaware R. 1/20-2/28 (Matt Sabatine, m.ob.). |
| Barrow's Goldeneye | 2015 | Mar-May | Northampton | one continued from the winter to 3/9 (Todd Fellenbaum, m.ob., doc submitted). |
| Barrow's Goldeneye | 2015-2016 | Dec-Feb | Northampton | female on Delaware R. for third consecutive year 1/25-2/19 (Jason Horn, Michael Schall, Matthew Sabatine). |
| Barrow's Goldeneye | 2016-2017 | Dec-Feb | Northampton | One on Delaware R. north of Easton 12/26-1/13 (Jason Horn, m.ob.). |
| Barrow's Goldeneye | 2017-2018 | Dec-Feb | Northampton | female at two locations on Delaware R. 12/27-1/1 and 1/20-2/8 (Jason Horn, Adam Miller). |
| Barrow's Goldeneye | 2018-2019 | Dec-Feb | Bucks | a female at Nockamixon State Park 1/22 (August Mirabella), reappeared 2/22 there (Devich Farbotnik) and presumably the same bird appeared nearby on Delaware R 1/23 (Devich Farbotnik, m.ob.), doc submitted |
| Barrow's Goldeneye | 2018-2019 | Dec-Feb | Monroe | on Delaware R. 1/4-13 (Jonathon DeBalko, Jason Horn, m.ob.). |
| Barrow's Goldeneye | 2019 | Mar-May | Bucks | female at Nockamixon SP 3/9 (Paul Cooper, doc submitted), eighth county record. |
| Barrow's Goldeneye | 2019-2020 | Dec-Feb | Monroe | a female on Delaware R. 1/26-2/16 (Rick Wiltraut, m.ob.) for second consecutive year. |
| Barrow's Goldeneye | 2020-2021 | Dec-Feb | Northampton | female on Delaware R. between Easton and Portland 12/26-2/26 (Michael Schall) (doc submitted). |
| Barrow's Goldeneye | 2021 | Mar-May | Carbon | one photographed at Beltzville SP 2/3 (Paul Nail), report inadvertently omitted by the county compiler in winter season reports. |
| Barrow's Goldeneye | 2021 | Mar-May | Bucks | one at Nockamixon SP 3/16 (Jane Barker-Hunt), doc submitted, ninth county record. |
| Barrow's Goldeneye | 2021-2022 | Dec-Feb | Washington | one at Washington Reservoir #4 1/13-15 (Sayre Greenfield). |
| Barrow's Goldeneye | 2022-2023 | Dec-Feb | Erie | a probable female at Presque Isle 2/11 (Ross Gallardy, doc submitted). |
| Barrow's Goldeneye | 2023-2024 | Nov-Feb | Bucks | a male at Nockamixon SP 1/31-2/3 (Tom Fahie, m.ob.) |
| Barrow's Goldeneye | 2023-2024 | Nov-Feb | Pike | a female at Lake Wallenpaupack 12/10-29 (Bradley White, Chris Fischer, m.ob.) (doc submitted for both). |
| Barrow's X Common Goldeneye | 2019 | Mar-May | Somerset | one at Quemahoning Reservoir 3/18 (Linda Greble, ph., ebird). |
| Bay-breasted Warbler | 1992 | Oct-Dec | Indiana | 1 at Yellow Creek SP 10/19 (Dorothy & Ed Slovensky) |
| Bay-breasted Warbler | 1992 | Oct-Dec | Philadelphia | 1 at Andorra Nature Center 10/3 (Bob Ridgely) |
| Bay-breasted Warbler | 1992 | Oct-Dec | Berks | 1 at L. Ontelaunee 10/4 (Matt Spence) |
| Bay-breasted Warbler | 1992 | Oct-Dec | Westmoreland | 1 at Powdermill Nature Reserve 10/11 (Bob Leberman, Bob Mulvihill) |
| Bay-breasted Warbler | 1993 | Oct-Dec | Allegheny | 3 at Harrison Hills Park 10/3 (P. Hess) |
| Bay-breasted Warbler | 1993 | Oct-Dec | Cambria | 2 at Patton 10/3 (D. Gobert) |
| Bay-breasted Warbler | 1993 | Oct-Dec | Centre | 1 at Black Moshannon SP 10/7 (J&B Peplinski) |
| Bay-breasted Warbler | 1993 | Oct-Dec | Erie | last seen at Presque Isle 10/2 (J. McWilliams) |
| Bay-breasted Warbler | 1993 | Oct-Dec | Adams | 7 at Warbler Woods 10/3 (A&E Kennell) |
| Bay-breasted Warbler | 1994 | Oct-Dec | York | 1 on 10/13 at Gut Rd was late (Al Spiese) |
| Bay-breasted Warbler | 1994 | Oct-Dec | Perry | 2 on 10/2 at Millers Gap (Dick Colyer, Deuane Hoffman) |
| Bay-breasted Warbler | 1994 | Oct-Dec | Lehigh | 1 on 10/14 near Allentown (Nancy & John Boyer) |
| Bay-breasted Warbler | 1996 | Oct-Dec | Luzerne | present up to 10/20 at Council Cup (Rick Koval) |
| Bay-breasted Warbler | 1996 | Oct-Dec | Westmoreland | present up to 10/5 at Powdermill NR (Bob Leberman, Bob Mulvihill) |
| Bay-breasted Warbler | 1996 | Oct-Dec | York | present up to 10/6 at Ski Roundtop (Jeff Pheasant) |
| Bay-breasted Warbler | 1996 | Oct-Dec | Lackawanna | present up to 10/1 |
| Bay-breasted Warbler | 1998 | Oct-Dec | Berks | 1 on 10/5 (Matt Spence) |
| Bay-breasted Warbler | 1998 | Oct-Dec | Delaware | present up to 10/3 at Ridley Creek State Park (Al Guarente) |
| Bay-breasted Warbler | 1998 | Oct-Dec | Montgomery | Present up to 10/14 at Fort Washington State Park (Bill & Naomi Murphy) |
| Bay-breasted Warbler | 1998 | Oct-Dec | Venango | 1 on 10/8 |
| Bay-breasted Warbler | 2001 | Oct-Dec | Schuylkill | 1 on 10/5 at Hawk Mountain Sanctuary (Eric Hynes) |
| Bay-breasted Warbler | 2001 | Oct-Dec | Berks | 1 on 10/5 at Hawk Mountain Sanctuary (Eric Hynes) |
| Bay-breasted Warbler | 2001 | Oct-Dec | Dauphin | 1 on 10/5 at Middletown (Pete Fox) |
| Bay-breasted Warbler | 2001 | Oct-Dec | Allegheny | 1 on 10/3 in Sewickley (Chris Knoll) |
| Bay-breasted Warbler | 2013 | Jun-Jul | Sullivan | heard at Elkmont Lodge in early June (Susan Killeen). |
| Bay-breasted Warbler | 2013 | Jun-Jul | Berks | a late bird at Hamburg Reservoir 6/1 (Kerry Grim) |
| Bay-breasted Warbler | 2014 | Jun-Jul | McKean | late migrant at the Universty of Pittsburgh, Bradford campus 6/6 (Mark McConaughy, eBird) |
| Bay-breasted Warbler | 2020 | Jun-Jul | Centre | singing bird heard 6/7 in the Moshannon SF (John Carter, Lindera Carter) |
| Bay-breasted Warbler | 2020 | Jun-Jul | Sullivan | one observed at High Knob Bog 6/5 (Thomas Buehl, Jr, eBird). |
| Bay-breasted Warbler | 2021 | Jun-Jul | Elk | two in St Marys 6/8 (Joseph Elias). |
| Bay-breasted Warbler | 2022 | Jun-Jul | Beaver | at Raccoon Creek SP 6/4 (Ian Gardner). |
| Bay-breasted Warbler | 2023 | Jun-Jul | Bucks | one was still in Solebury Twp 6/5, a full 10 days after the previous known spring departure date (Jane Barker-Hunt). |
| Bay-breasted/Blackpoll Warbler | 2020-2021 | Dec-Feb | Chester | one at Marsh Creek SP 12/1 (Barry Blust). |
| Bewick's Wren | 1998 | Oct-Dec | Clarion | 1 on 9/29 at Brady's Bend. if accepted by PORC would be the first state record since 1976 (John Fedak) |
| Bewick's Wren | 2000 | Apr-Jun | Crawford | 1 on 5/4 at Meadville (Isaack Field)(no desc) |
| Bewick's Wren | 2012 | Mar-May | Lancaster | one on the Canal Path Trail 5/2-3 (Mike Epler, no doc). |
| Bicknell's Thrush | 1996 | Apr-Jun | Indiana | 1 on 5/17 (Deaune Hoffman et al)(no details) at Yellow Creek SP |
| Bicknell's Thrush | 1996 | Apr-Jun | Montgomery | 1 on 5/26 at Fort Washington SP (Bill Murphy) |
| Bicknell's Thrush | 1997 | Apr-Jun | Lebanon | 1 on 5/2 at SGL 145 (Randy Miller) |
| Bicknell's Thrush | 1997 | Apr-Jun | Luzerne | 1 on 5/26 at Kirby Park (Rick Koval, Jim Shoemaker, Jim Hoyson) |
| Bicknell's Thrush | 1997 | Apr-Jun | Montgomery | 1 on 5/16 at Fort Washington SP (Bill & Naomi Murphy) |
| Bicknell's Thrush | 1999 | Apr-Jun | Lancaster | 1on 5/22 at Rapho Twp. (Randy Miller, et al) |
| Bicknell's Thrush | 2000 | Apr-Jun | Luzerne | 1 on 5/20 at Kirby Park (Jim Hoyson, Jim Shoemaker, Rick Koval) |
| Bicknell's Thrush | 2000 | Apr-Jun | Philadelphia | 1 on 5/27 at Veree (M Drake) and Matt Sharp heard another give it's flight call over W. Mt Airy at night |
| Bicknell's Thrush | 2001 | Apr-Jun | Bucks | 1 on 5/13-16 at Core Creek Park (August & Judy Mirabella, Devich Farbotnik) |
| Bicknell's Thrush | 2003 | Aug-Nov | Berks | Flight calls 9/24-25, 10/3 District Twp. (R. Keller) |
| Bicknell's Thrush | 2003 | Aug-Nov | Dauphin | Flight calls 9/17 Harrisburg (D. Hoffman). No Desc |
| Bicknell's Thrush | 2004 | Mar-May | Chester | 1 observed at close range in Brandamore on 5/13 (Larry Lewis, Grier Saunders, Mary Alice Knox) |
| Bicknell's Thrush | 2005 | Aug-Nov | Luzerne | one was found at Mountain Top 10/19 (Rick Koval) No Desc |
| Bicknell's Thrush | 2005 | Mar-May | McKean | one seen and heard near Willow Bay, Allegheny National Forest 5/17 (John Fedak). |
| Bicknell's Thrush | 2005 | Aug-Nov | Washington | one was noted in a nocturnal count 9/24 in Canonsburg (Ross Gallardy). No Desc |
| Bicknell's Thrush | 2005 | Mar-May | Northampton | one at Bear Swamp 5/27 (Rick Wiltraut) No Desc |
| Bicknell's Thrush | 2005 | Mar-May | Lancaster | one photographed and audio recorded near the Little Conestoga Creek 5/21 (Dan Lane) |
| Bicknell's Thrush | 2006 | Mar-May | Bucks | a probable bird based on plumage was near SGL 157 on 5/21 (August Mirabella, Judy Mirabella). (No Doc). One carefully studied in Tinicum Twp. 5/28 also responded aggressively to a tape playback (Devich Farbotnik). (No Doc). |
| Bicknell's Thrush | 2006 | Aug-Nov | Bucks | One was convincingly described 10/10 from Quinlan Nature Area New Britain Borough (Ron French Bob Shaffer) for a 6th county report but the observers conservatively left it as a probable |
| Bicknell's Thrush | 2006 | Aug-Nov | Dauphin | Nocturnal flight calls recorded on three separate nights from a Harrisburg residence (Deuane Hoffman) |
| Bicknell's Thrush | 2007 | Mar-May | Bucks | found separately at Peace Valley Park 5/12 at opposite ends of the park (Chuck Crunkleton Elaine Crunkleton Judy Mirabella August Mirabella) listed as probable see county notes |
| Bicknell's Thrush | 2007 | Mar-May | Lancaster | one singing on private property in Rapho Township 5/29 (Randy Miller). |
| Bicknell's Thrush | 2011 | Aug-Nov | Montgomery | one recorded on nocturnal migration at Elkins Park 10/3 (Paul Driver, recordings submitted). |
| Bicknell's Thrush | 2012 | Mar-May | Bucks | one at Chalfont 5/21 (Chuck Crunkleton, Eileen Chalmers, no doc). |
| Bicknell's Thrush | 2013 | Aug-Nov | Montgomery | one probable nocturnal call recorded at Elkins Park 9/26 (Paul Driver, no doc). |
| Bicknell's Thrush | 2013 | Mar-May | Dauphin | one identified by nocturnal flight call over Deer Valley Golf Club 5/27 (Tom Johnson, no doc). |
| Bicknell's Thrush | 2014 | Mar-May | Northampton | one seen and heard at Bear Swamp 5/26 (Rick Wiltraut, no doc). |
| Bicknell's Thrush | 2016 | Aug-Nov | Lancaster | one or 2 heard on nocturnal migrationat SGL 220 on 10/2 (Bruce Carl, no doc) |
| Bicknell's Thrush | 2016 | Aug-Nov | Montgomery | 2 flight calls each on nights of 10/4 and 10/5 at Elkins Park (vr. PaulDriver, no doc). |
| Bicknell's Thrush | 2017 | Aug-Nov | Montgomery | one recorded by nocturnal flight call over Elkins Park 10/2 (vr. Paul Driver, doc submitted). |
| Bicknell's Thrush | 2018 | Aug-Nov | Montgomery | one recorded on nocturnal migration over Elkins Park 10/13 (vr. Paul Driver, no doc submitted). |
| Bicknell's Thrush | 2020 | Aug-Nov | Montgomery | one recorded on nocturnal migration over Elkin's Park 10/3 (Paul Driver, doc submitted). |
| Bicknell's Thrush | 2023 | Jun-Jul | Lancaster | caught and banded at Middle Creek Wildlife Management Area 6/7 (Lauren Ferreri, Payton Miller, ph.), the 3rd official record for the county coming right on the heels of one only two weeks prior. |
| Bicknell's Thrush | 2023 | Aug-Nov | Westmoreland | birds banded at Powdermill Nature Reserve 9/14 and 10/7, DOC. |
| Bicknell's Thrush | 2023 | Mar-May | Chester | one at Pickering Creek Trail 5/16 (Ashley Rathman), doc submitted |
| Bicknell's Thrush | 2023 | Mar-May | Lancaster | one at Wheatland Hills Community Park 5/22 (Daniel Lane), doc submitted |
| Bicknell's Thrush | 2023 | Mar-May | Philadelphia | one in Rittenhouse Square 5/13 (Martin Dellwo, m.ob.), doc submitted. |
| Bicknell's Thrush | 2024 | Mar-May | Bucks | two detected on passage by a MOTUS tower at Nockamixon State Park, first 5/17 and second 5/18,oth originating from different locations based on the tag readings, providing the third and fourth county records |
| Bicknell's Thrush | 2024 | Mar-May | Montgomery | one at Valley Forge National Historic Park 5/15- 17 (Steve Grunwald, Jill Payne, Joseph Payne, Katie Ruth, m.ob.), doc submitted, irst county record on the ground (others were recorded by NFC recorders) |
| Bicknell's Thrush | 2024 | Mar-May | Philadelphia | one singing at Tacony Creek Park 5/16 (Patrick McGill, Tanya Burnett), doc submitted. |
| Bicknell's/Gray-cheeked Thrush | 2002 | Aug-Nov | Berks | 2 heard calling on 9/17-18 (no desc.) |
| Bicknell's/Gray-cheeked Thrush | 2002 | Aug-Nov | Dauphin | heard in flight on 9/25 over Harrisburg (Deuane Hoffman) |
| Bicknell's/Gray-cheeked Thrush | 2009 | Mar-May | Northampton | one at Katellen 5/22 (Rick Wiltraut). |
| Black Brant | 1997 | Oct-Dec | Bucks | A possible "Black" Brant was reported at Peace Valley Park on 11/11. Unfortunately, the word did not get out until after the bird was gone and no photo was taken |
| Black Guillemot | 1957 | Mar-May | Berks | 1 sight record: 4/6/1957 at Lake Ontelaunee, Berks |
| Black Guillemot | 1999 | Jan-Mar | Berks | 1 on 12/1 at Lake Ontelaunee was the first documented state record (John Puschok, et al) |
| Black Guillemot | 2023 | Aug-Nov | Berks | five or six with a large flock of Brant at Blue Marsh Lake 10/30 (Barb Witman, Karen Wagner, Ron Wagner), DOC. |
| Black Rail | 1992 | Oct-Dec | Lancaster | 1 at Holtwood Flyash Pond 10/12 (Bob Schutsky). This was only their 2nd 20th Century sighting |
| Black Rail | 1994 | Jul-Sep | Lebanon | 1 off and on from 5/30 to 6/12 (Steve Rannels) |
| Black Rail | 1999 | Apr-Jun | Berks | 1 on 5/17-6/2 at Albany Twp. (Mark Miller et al) |
| Black Rail | 2003 | Aug-Nov | Bucks | One 9/30 Penn Warner Tract (D. Farbotnik & J. Horn). No Desc |
| Black Rail | 2007 | Mar-May | Westmoreland | one at the Little Sewickley Creek wetlands found during the PAMC 5/12 (Jim Pemberton Tony Pegnato) second county record. |
| Black Rail | 2007 | Mar-May | Bucks | one at Pine Run Dam 4/29-5/5 (Devich Farbotnik) |
| Black Rail | 2011 | Aug-Nov | Cumberland | one at SGL 169 on 10/16 (Vern Gauthier) and 10/18 (Matt Sabatine) (doc submitted). |
| Black Rail | 2012 | Aug-Nov | Bucks | one at Delaware Valley College 10/11 (Ray Hendrick, no doc). |
| Black Rail | 2013 | Mar-May | Berks | one heard calling near Reading 5/20 through late June (Kathy Grim, doc submitted). |
| Black Rail | 2013 | Jun-Jul | Berks | first identified by voice 5/20 in a small privately owned wetland south of Reading (Kathy Grim, rec. Ken Lebo, doc submitted), heard almost every subsequent day until 6/28. |
| Black Rail | 2014 | Jun-Jul | Crawford | adult on Mercer Pike near the Beauchannon bridge about one mile east of I-79 on 7/20 (Ronald F. Leberman, no doc). |
| Black Rail | 2020 | Jun-Jul | Clearfield | one seen and heard on 6/5 at 7:27 a.m. during marsh bird playback survey on private property in Winslow Twp. (Stacy Wolbert, doc. submitted). |
| Black Rail | 2021 | Jun-Jul | Montgomery | detected on nocturnal recording on evening 6/10 clearly uttering telltale "kee-kee-kerr" call (Scott Godshall). |
| Black Scoter | 1993 | Apr-Jun | Indiana | 1 on 4/15 at Yellow Creek SP (Gloria Lamer) |
| Black Scoter | 1994 | Apr-Jun | Erie | at Presque Isle 1 on 4/17 (Ed Kwater) and 1 on 5/2 (Jerry McWilliams) |
| Black Scoter | 1994 | Apr-Jun | Westmoreland | 3 at Trout Run Res. 4/7 (Bob Mulvihill) |
| Black Scoter | 1995 | Jan-Mar | Chester | 1 on 2/7 at Struble L. (Early Bird Nature Tours) |
| Black Scoter | 1995 | Jan-Mar | Tioga | 3 on 3/19 at Hammond Lake (Arlene & Larry Brown) |
| Black Scoter | 1995 | Apr-Jun | Erie | 1 on 5/15 at Presque Isle SP (Jean Stull) |
| Black Scoter | 1995 | Apr-Jun | Lancaster | 1 on 4/8 at Conowingo Pond (Early Bird Nature Tours) |
| Black Scoter | 1995 | Apr-Jun | Luzerne | 1 on 4/1 at Harvey's L. (Rick Koval) |
| Black Scoter | 1995 | Apr-Jun | Lycoming | 1 on 4/23 at Rose Valley L. (m. obs.) |
| Black Scoter | 1995 | Apr-Jun | Tioga | 5 on 4/5 at Hammond L. (Arlene & Larry Brown) |
| Black Scoter | 1995 | Jan-Mar | Erie | Present all quarter |
| Black Scoter | 1997 | Jan-Mar | Centre | 1 on 3/21 at Colyer L. (Blanche & Dorothy Bordner) |
| Black Scoter | 1997 | Jan-Mar | Dauphin | 1 on 3/10 at Harrisburg (Mark McConaughy) |
| Black Scoter | 1997 | Apr-Jun | Lancaster | 3 on 4/13 at Long Level (Tom Garner) |
| Black Scoter | 1998 | Jan-Mar | Butler | 4 on 3/14 at Moraine SP (Gene Wilhelm) |
| Black Scoter | 1998 | Jan-Mar | Luzerne | 1 on 1/2-9 at Harvey's Lake (Rick Koval, Jim Hoyson) |
| Black Scoter | 1998 | Apr-Jun | Cambria | 1 on 5/9 at Margus Lake (Gloria Lamer, Georgette Syster) |
| Black Scoter | 1998 | Jan-Mar | Delaware | 6 on 2/7 at Marcus Hook (Sheryl Johnson) |
| Black Scoter | 1998 | Jan-Mar | Erie | Present all quarter (Jerry McWilliams) |
| Black Scoter | 1999 | Jan-Mar | Crawford | 3 on 2/20 at Ford Island (Ron Leberman) |
| Black Scoter | 1999 | Jan-Mar | Erie | 1 on 1/2 at Presque Isle SP (Jerry McWilliams) |
| Black Scoter | 1999 | Jan-Mar | Lehigh | 1 on 1/22-27 at Leaser Lake (Mark Monroe) |
| Black Scoter | 1999 | Apr-Jun | Berks | 5 on 4/16 at Lake Ontelaunee (Matt Spence) |
| Black Scoter | 1999 | Apr-Jun | Centre | 1 on 4/18-24 |
| Black Scoter | 2000 | Apr-Jun | Armstrong | 2 on 4/30 at Keystone Reservoir (Margaret & Roger Higbee) |
| Black Scoter | 2000 | Apr-Jun | Berks | 3 on 4/9 at Lake Ontelaunee (Matt Spence) |
| Black Scoter | 2000 | Apr-Jun | Cambria | 2 on 5/13-14 at Prince Gallitzin State Park (Dave Gobert) |
| Black Scoter | 2000 | Apr-Jun | Venango | 2 on 4/30 at Two Mile Run Park were new for the county (Russ States) |
| Black Scoter | 2000 | Oct-Dec | Tioga | 1 on 11/14 at Hammond Lake (Ben Israel) |
| Black Scoter | 2000 | Oct-Dec | Bucks | Present from 10/28-11/11 at Peace Valley County Park (August Mirabella) |
| Black Scoter | 2000 | Oct-Dec | Dauphin | 12 on 10/18 at Harrisburg (Deuane Hoffman) |
| Black Scoter | 2000 | Oct-Dec | Erie | Present form 11/12 |
| Black Scoter | 2001 | Apr-Jun | Crawford | 2 on 4/21 at Pymatuning Lake (Ron Leberman) |
| Black Scoter | 2001 | Oct-Dec | Centre | 2 on 11/11 at Colyer Lake (Molly Heath) |
| Black Scoter | 2001 | Apr-Jun | Lehigh | 48-50 on 5/19 at Lesser Lake (Fritz Brock) was a record high number for the county |
| Black Scoter | 2001 | Oct-Dec | Berks | 6 on 11/11 at Lake Ontelaunee (Matt Spence) |
| Black Scoter | 2001 | Jan-Mar | Erie | 3 on 10/28 at Presque Isle (Ben Coulter); 1 on 12/28 at Presque Isle (Jerry McWilliams) |
| Black Scoter | 2001 | Oct-Dec | Montgomery | 40 on 10/28 at Green Lane Reservoir (Ken Reiker, George Franchois) |
| Black Scoter | 2001 | Oct-Dec | Bucks | 19 on 10/28 at Nockamixon State Park (Devich Farbotnik). 4 on 11/11 at Peace Valley Park (August Mirabella, Cameron Rutt) |
| Black Scoter | 2002 | Jan-Mar | Indiana | 1 on 3/25 |
| Black Scoter | 2002 | Apr-Jun | Centre | 1 on 5/12 at Bald Eagle State Park (Molly Heath) |
| Black Scoter | 2002 | Jan-Mar | Erie | 1 from 1/1-1/19 |
| Black Scoter | 2002-2003 | Dec-Feb | Bucks | 1 on 12/8 at Peace Valley Park (Devich Farbotnik). This is a new late date for the county |
| Black Scoter | 2002-2003 | Dec-Feb | Erie | 2 on 1/1-2 at Presque Isle State Park (Ben Coulter) |
| Black Scoter | 2003 | Mar-May | Erie | 1 on 5/7 (Bob Sundy) |
| Black Scoter | 2003 | Mar-May | Lancaster | 4 on 4/5 at the Susquehanna River (Jonathan Heller) |
| Black Scoter | 2003 | Mar-May | Chester | 1 on 4/11 at Marsh Creek (Gerry Serianni) |
| Black Scoter | 2003 | Mar-May | Dauphin | 1 on 4/15 at the Susquehanna River (Deuane Hoffman, Ron Freed) |
| Black Scoter | 2003-2004 | Dec-Feb | Bucks | three 12/13 at Nockamixon SP. a new late fall date (Bill Etter). |
| Black Scoter | 2003-2004 | Dec-Feb | Allegheny | one from 1/23-2/7 at Dashield's Dam on the Ohio R.(DW, m. obs.) |
| Black Scoter | 2004 | Mar-May | Lancaster | 1 on the Susquehanna River at Long Level 3/28 (Jonathan Heller) |
| Black Scoter | 2004 | Mar-May | Lebanon | 2 at Memorial Lake SP 3/21 were the fourth county record since 1956 (Randy Miller) |
| Black Scoter | 2005 | Mar-May | Berks | one at Lake Ontelaunee 4/3 (Ken Lebo, Matt Spence, Matt Wlasniewski) |
| Black Scoter | 2005 | Mar-May | Chester | two at Marsh Creek State Park 5/1 (Robert Cook, Ruth Cook) |
| Black Scoter | 2005 | Mar-May | Dauphin | present in late March on the Susquehanna River from Harrisburg to Marysville (m. obs.) |
| Black Scoter | 2005 | Mar-May | Delaware | four flying along the Delaware River 4/28 (Al Guarente) |
| Black Scoter | 2005 | Mar-May | Erie | one at Presque Isle State Park 4/8 (Don Snyder) |
| Black Scoter | 2005 | Mar-May | Snyder | four at Walker Lake 3/31 (Chad Kauffman, Aden Troyer) |
| Black Scoter | 2006 | Mar-May | Centre | one or 2 at Bald Eagle S.P. 3/13 (Jeff Michaels). |
| Black Scoter | 2006-2007 | Dec-Feb | Warren | One on the Allegheny R. 2/5 (John Fedak). |
| Black Scoter | 2006-2007 | Dec-Feb | Erie | One on 1/13 and 1/20 (Jerry McWilliams) |
| Black Scoter | 2007 | Mar-May | Chester | one at Struble Lake 4/17 (Robert Cook) |
| Black Scoter | 2007 | Mar-May | Lancaster | one on the Susquehanna R. at Long Level 3/25 (Randy Miller). |
| Black Scoter | 2007 | Mar-May | Beaver | two at Rochester 3/15 (Geoff Malosh) |
| Black Scoter | 2007 | Mar-May | Centre | one at Bald Eagle State Park 4/15 (Andy Wilson Sarah Pabian Grant Stokke) |
| Black Scoter | 2007-2008 | Dec-Feb | Erie | Three on Erie CBC, 12/15 |
| Black Scoter | 2007-2008 | Dec-Feb | Westmoreland | One on Donegal Lake during Rector CBC, 12/22. |
| Black Scoter | 2009 | Mar-May | Forest | 5 at Buzzard Swamp 5/9 (Flo and Jim McGuire). |
| Black Scoter | 2009 | Mar-May | Crawford | one at Jamestown 3/22 and one in the same area near the Pymatuning Dam 4/27 (Scott Kinzey) |
| Black Scoter | 2009 | Mar-May | Bucks | one at Nockamixon State Park 5/22 (Devich Farbotnik) |
| Black Scoter | 2009-2010 | Dec-Feb | Dauphin | one on the Susquehanna River at City Island 12/27 for the Harrisburg CBC (Richard Williams, Sandy & Bill Baum, Bernie Crist) |
| Black Scoter | 2009-2010 | Dec-Feb | Erie | one on Edinboro Lake continued from fall until 12/6 (Mark Vass), and 3 on Erie CBC 12/19 |
| Black Scoter | 2009-2010 | Dec-Feb | Berks | one at Blue Marsh Lake 12/21 (Rudy Keller, Matt Wlasniewski) |
| Black Scoter | 2009-2010 | Dec-Feb | Indiana | one at Yellow Creek SP 12/8 (Lee Carnahan, Margaret Higbee). |
| Black Scoter | 2011 | Mar-May | Berks | two at Lake Ontelaunee 5/6 (Edith Leaman) |
| Black Scoter | 2011 | Mar-May | Clinton | one on the Susquehanna River at McElhatten 3/4 (Beth Zbegner) |
| Black Scoter | 2011 | Mar-May | Crawford | one at the Pymatuning Causeway 3/13 (Shawn Collins) |
| Black Scoter | 2011 | Mar-May | Dauphin | one at West Fairview 5/26-28 (Deuane Hoffman, Ramsay Koury) |
| Black Scoter | 2011 | Mar-May | Lancaster | one near Wrightsville 4/14 (Dick Cleary) |
| Black Scoter | 2011 | Mar-May | Northampton | two at Minsi Lake 5/23-24 (Kathy Seminski, Stephen Kloiber, Michael Schall). |
| Black Scoter | 2011-2012 | Dec-Feb | Philadelphia | one in Delaware R. 2/16-17 (Todd Fellenbaum). |
| Black Scoter | 2011-2012 | Dec-Feb | Berks | 2 at Blue Marsh L. 12/7-8 (Joan Silagy) |
| Black Scoter | 2011-2012 | Dec-Feb | Erie | rare after Dec, one or 2 were at Presque Isle S.P. 1/17-2/23 (Shannon Thompson, Jerry McWilliams) |
| Black Scoter | 2012 | Mar-May | Berks | one at Lake Ontelaunee 3/31 (Rudy Keller, Ken Lebo, Matt Spence) |
| Black Scoter | 2012 | Mar-May | Dauphin | one on the Susquehanna R. at Harrisburg 4/2 (Chuck Chalfant), two on the Susquehanna River at West Fairview 5/3-7 (Ramsay Koury) |
| Black Scoter | 2012 | Mar-May | Erie | up to 4 from 3/7-4/1 at Presque Isle (Mike Weible, Jerry McWilliams) |
| Black Scoter | 2012 | Mar-May | Northampton | one at Nazareth Quarry 3/31 (Michael Schall, Corinne Campbell Schall), Somerset |
| Black Scoter | 2012-2013 | Dec-Feb | Erie | one 1/21 through the season at Presque Isle S.P. (Jerry McWilliams) |
| Black Scoter | 2012-2013 | Dec-Feb | Susquehanna | one at Quaker Lake 12/10 (Evan Mann). |
| Black Scoter | 2012-2013 | Dec-Feb | Butler | 13 on the Butler CBC 12/15 |
| Black Scoter | 2013 | Mar-May | Bedford | one at Dunnings Creek Wetlands 3/10 (Tom Dick) |
| Black Scoter | 2013 | Mar-May | Berks | one at Lake Ontelaunee 4/14-15 (Ken Lebo, Michael Weaver) |
| Black Scoter | 2013 | Mar-May | Cambria | one at Prince Gallitzen State Park all season (Dave Gobert) |
| Black Scoter | 2013 | Mar-May | Erie | up to 3 present at Presque Isle State Park through mid-Apr (m.ob.) |
| Black Scoter | 2013 | Mar-May | Mercer | one at Lake Wilhelm 3/22 (Jerry Stanley). |
| Black Scoter | 2013-2014 | Dec-Feb | Allegheny | one each at Dashields Dam and Wood's Run through 12/2 (Mark Vass, m.ob.) |
| Black Scoter | 2013-2014 | Dec-Feb | Centre | one at Bald Eagle State Park 12/14-15 (Jim Dunn, Bryant Atanasio) |
| Black Scoter | 2013-2014 | Dec-Feb | Dauphin | one female shot by a waterfowl hunter near Clark's Ferry in early Dec (fide Mike Epler) |
| Black Scoter | 2013-2014 | Dec-Feb | Erie | one or 2 at Presque Isle State Park through Jan (Jerry McWilliams, Jim Flynn, Jeff McDonald) |
| Black Scoter | 2013-2014 | Dec-Feb | Fayette | 3 at Greenlick Run Lake 12/7 (Tim Anderson, Laura Hahn, Shannon Thompson). |
| Black Scoter | 2014 | Mar-May | Snyder | one at Faylor Lake 5/10 (Kay Cramer, Jason Weller). |
| Black Scoter | 2014-2015 | Dec-Feb | Bucks | See Local Notes |
| Black Scoter | 2014-2015 | Dec-Feb | Philadelphia | See Local Notes |
| Black Scoter | 2014-2015 | Dec-Feb | Somerset | See Local Notes |
| Black Scoter | 2014-2015 | Dec-Feb | Warren | See Local Notes |
| Black Scoter | 2014-2015 | Dec-Feb | Allegheny | See Local Notes |
| Black Scoter | 2014-2015 | Dec-Feb | Erie | See Local Notes |
| Black Scoter | 2015 | Mar-May | Allegheny | one at the Point in Pittsburgh 3/6 (David Yeany), and one in Sharpsburg 3/17-31 (Bill Brown, m.ob.) |
| Black Scoter | 2015 | Mar-May | Centre | one at Bald Eagle SP 4/27 (Joe Verica) |
| Black Scoter | 2015 | Mar-May | Crawford | one at the Pymatuning Causeway 4/4 (Ronald Leberman) |
| Black Scoter | 2015 | Mar-May | Dauphin | on the Susquehanna River 4/20-21 (Deuane Hoffman, Ian Gardner, Ed Bernot) |
| Black Scoter | 2015 | Mar-May | Lycoming | 2 at Rose Valley Lake 4/20 (Andy Keister) |
| Black Scoter | 2015 | Mar-May | Northampton | 10 at Minsi Lake 4/17 (Scott Angus). |
| Black Scoter | 2015-2016 | Dec-Feb | Erie | small numbers on L. Erie 12/7-1/7 (m.ob.). Indiana |
| Black Scoter | 2015-2016 | Dec-Feb | Butler | one at Watts Bay 12/22 (MV) |
| Black Scoter | 2015-2016 | Dec-Feb | Clarion | one at Kahle L. 12/2 (Gary Edwards, Jerry Stanley, Carole Winslow) |
| Black Scoter | 2016 | Jun-Jul | Lycoming | a female at Rose Valley Lake 6/5 (David Brown, Eric Hartshaw, Bobby Brown, ph.), apparently the first summer record in Pennsylvania! |
| Black Scoter | 2016 | Mar-May | Bedford | six at Dunnings Creek Wetlands 4/5 (Tom Dick). |
| Black Scoter | 2016-2017 | Dec-Feb | Erie | One at Sunset Point 1/1 (Jerry McWilliams) |
| Black Scoter | 2016-2017 | Dec-Feb | Indiana | One 12/4-6 (Steve Gosser, m.ob.) |
| Black Scoter | 2016-2017 | Dec-Feb | Philadelphia | One at the Navy Yard 12/26-28 (Anne Bekker, Debbie Beer). |
| Black Scoter | 2017 | Mar-May | Butler | one at Moraine SP 4/30 (Brendyn Baptiste) |
| Black Scoter | 2017 | Mar-May | Bedford | 2 at Shawnee SP 3/20 (Tom Dick) |
| Black Scoter | 2017 | Mar-May | Washington | 2 near Bentleyville 4/24 (Roy Ickes). |
| Black Scoter | 2017 | Mar-May | Centre | one or 2 at Bald Eagle SP 4/30-5/5 (Joe Verica, et al.) |
| Black Scoter | 2017 | Mar-May | Erie | one at Presque Isle SP 5/13-19 (Kendall Zook, Andrew Markel) |
| Black Scoter | 2017 | Mar-May | Montour | 3 at Montour Preserve 5/2 (Andy Keister) |
| Black Scoter | 2017-2018 | Dec-Feb | Lycoming | one at Williamsport Dam 2/24 (David Brown, Deb Brown, Bobby Brown). |
| Black Scoter | 2017-2018 | Dec-Feb | Bucks | one at Penn-Warner Tract 12/3 (Mark Gallagher, Devich Farbotnik) |
| Black Scoter | 2017-2018 | Dec-Feb | Erie | 7 reports 12/2-2/26, with high of 4 at Sunset Pt 12/13 |
| Black Scoter | 2018 | Mar-May | Lycoming | one at Susquehanna SP 5/12 (Maddi Dunlap, Jean Dalton). |
| Black Scoter | 2018 | Mar-May | Crawford | 2 at Custards Marsh 4/11 (Jennifer Ferrick, Rob Hodgson, Thomas Nonnenmacher, Ken Pinnow) |
| Black Scoter | 2018 | Mar-May | Huntingdon | 2 at Lake Perez 4/19 (m.ob.) |
| Black Scoter | 2018-2019 | Dec-Feb | Dauphin | one on Susquehanna R. at Front St. 2/28 (Ian Gardner, Steve Schmit) |
| Black Scoter | 2018-2019 | Dec-Feb | Bucks | 2 at Penn-Warner Tract 12/15 (Devich Farbotnik) |
| Black Scoter | 2018-2019 | Dec-Feb | Erie | several throughout period |
| Black Scoter | 2018-2019 | Dec-Feb | Montgomery | one at Green Lane Park 2/28 (Paul Driver). |
| Black Scoter | 2019 | Mar-May | Delaware | 2 on Delaware River at Fort Mifflin 4/17 (Rob Fergus) |
| Black Scoter | 2019 | Mar-May | Northumberland | one at Adam T. Bower Dam 5/5 (Andy Keister, Deuane Hoffman). |
| Black Scoter | 2019-2020 | Dec-Feb | Erie | 1-2 at Presque Isle and mouth of Walnut Creek 12/6-11 (Jerry McWilliams). |
| Black Scoter | 2020 | Mar-May | Carbon | two at Penn Forest Reservoir 4/18 (Rich Rehrig, Barry Reed) |
| Black Scoter | 2020 | Mar-May | Cumberland | two at Rte. 533 Quarry in Shippensburg 4/19 (Bob Koontz, Chris Payne, Rebecca Perruci, Vern Gauthier, Bill Oyler, Scott Brookens), first county record |
| Black Scoter | 2020 | Mar-May | Lebanon | one at Memorial Lake SP 4/30-5/2 (Jonathan Heller, Timothy Becker, Kathy Becker, Ted Nichols, Mary Coomer, Nate McKelvie, m.ob.). |
| Black Scoter | 2021 | Mar-May | Blair | one at Canoe Creek SP 4/11 (John Carter) |
| Black Scoter | 2021 | Mar-May | Butler | one at Moraine SP 3/10 (Eric Hall) |
| Black Scoter | 2021 | Mar-May | Carbon | 2 at Beltzville SP 4/18 (Rich Rehrig, Barbara Rehrig, et al.) |
| Black Scoter | 2021 | Mar-May | Clinton | one at Kettle Creek SP 3/22 (Sarah Lindgren) |
| Black Scoter | 2021 | Mar-May | Erie | present March to early May at Presque Isle SP (m.ob.). |
| Black Scoter | 2022 | Mar-May | Dauphin | a male on the Susquehanna River at Wormleysburg and City Island 4/2-4 (m.ob.) |
| Black Scoter | 2022 | Mar-May | Clearfield | 4 at Curwensville Lake 3/20 (John Forcey) |
| Black Scoter | 2022 | Mar-May | Fayette | 3 at Greenlick Run Lake 3/19 (EJ Regula, Alex Busato, Kerry Bell) |
| Black Scoter | 2022 | Mar-May | Philadelphia | 2 at the Philadelphia Naval Yard 4/7 (Holger Pflicke). |
| Black Scoter | 2023 | Mar-May | Armstrong | one at Freeport 3/1 (Sierra Waltenbaugh, Stacey Waltenbaugh) |
| Black Scoter | 2023 | Mar-May | Centre | two at Bald Eagle State Park 4/17 (Joe Verica, et al.) |
| Black Scoter | 2023 | Mar-May | Chester | one at Marsh Creek State Park 3/7-11 (observer not listed) |
| Black Scoter | 2023 | Mar-May | Delaware | one at Marcus Hook 4/6 (Christopher Hinkle) |
| Black Scoter | 2023 | Mar-May | Huntington | one at Lake Perez 5/3 (m.ob.). |
| Black Scoter | 2023-2024 | Nov-Feb | Erie | many reports, including nine on the CBC 12/17 |
| Black Scoter | 2023-2024 | Nov-Feb | Lehigh | one continuing on Leaser Lake until 1/16 (m.ob.) |
| Black Scoter | 2023-2024 | Nov-Feb | Tioga | an immature male on Cowanesque Lake 12/3 (Matthew Schenck) and two female types there 12/9 (Eric Hartshaw). |
| Black Scoter | 2023-2024 | Nov-Feb | Schuylkill | five in flight over Hawk Mt Sanctuary 12/11 (Bracken Brown) |
| Black Scoter | 2024 | Mar-May | Beaver | one at Ambridge Reservoir 3/17-5/4 (Mark Vass, m.ob.) |
| Black Scoter | 2024 | Mar-May | Berks | two at Lake Ontelaunee 4/20 (Rudy Keller, Jo Spilde) |
| Black Scoter | 2024 | Mar-May | Clearfield | one at Bimini Lake 3/17- 18 (Dan Richards, Bill Mendat) |
| Black Scoter | 2024 | Mar-May | Erie | one to three up to 5/9 at Presque Isle State Park (m.ob.). |
| Black Skimmer | 1992 | Oct-Dec | Lancaster | Remnants of a tropical storm might have influenced the sightings of an ad. and imm. on the Conejehola Flats 9/26 with the imm. remaining 9/27 (Bob Schutsky et al) |
| Black Skimmer | 1995 | Apr-Jun | Lancaster | 1 on 5/20 was first seen at Columbia (Bruce Carl) and later seen flying by Washington Boro (Tom Garner, Eric Witmer) |
| Black Skimmer | 1996 | Oct-Dec | Centre | 1 9/7-9 at Bald Eagle SP (Paul & Glenna Schwalbe) |
| Black Skimmer | 2000 | Jul-Sep | Lancaster | 1 on 6/11 at Washington Boro (m. obs.) |
| Black Skimmer | 2003 | Mar-May | Lancaster | 1 on 5/31 ranged from the Conejohela Flats to the Rocks Area on the Susquehanna River (Jerry Book) |
| Black Skimmer | 2003 | Aug-Nov | Bedford | One 9/19 Shawnee SP (R. Payne) |
| Black Skimmer | 2003 | Aug-Nov | York | One 9/20 Long Arm Reservoir (B. Pugliese) |
| Black Skimmer | 2004 | Aug-Nov | Delaware | An immature on the Delaware River, Tinicum Twp. 11/25 (Al Guarente) |
| Black Skimmer | 2005-2006 | Dec-Feb | Northampton | one flyby in Williams Twp. 12/9 was a first county record (Arlene Koch) |
| Black Skimmer | 2012 | Aug-Nov | Lancaster | one 10/30-11/4 on the Susquehanna River (Eric Witmer, et al., doc submitted). |
| Black Skimmer | 2012 | Aug-Nov | Dauphin | one at West Fairview 10/30 (Andy Markel, Jason Horn, Ramsay Koury, Peter Robinson, Joan Renninger, et al., no doc) |
| Black Skimmer | 2012 | Aug-Nov | Franklin | one in a flooded field east of Chambersburg 10/30 (Bill Oyler, Chris Blazo, doc submitted) |
| Black Skimmer | 2012 | Aug-Nov | Allegheny | 2 immature birds at McKees Rocks 11/4-6, and one remaining to 11/9 (Mark Vass, ph. m.ob., doc submitted) |
| Black Skimmer | 2018 | Mar-May | Delaware | 4 at Fort Mifflin 5/30 (Al Guarante, no doc). |
| Black Skimmer | 2018 | Aug-Nov | York | one photographed at Codorus SP 9/17 following passage of the remnants of Hurricane Florence (ph. Bob Anderholt, no doc submitted). |
| Black Tern | 1993 | Oct-Dec | Lancaster | 1 at Washington Boro 10/16 was very late (J. Book) |
| Black Tern | 1994 | Oct-Dec | Westmoreland | 1 on 10/2 at Donegal L. (Mike & Evaleen Watko) |
| Black Tern | 1995 | Oct-Dec | Cambria | 2 on 9/14 at Prince Gallitzin SP (John Salvetti) |
| Black Tern | 1995 | Jul-Sep | Crawford | 1 on 7/30 at Pymatuning L. (Issac Fields) |
| Black Tern | 1995 | Oct-Dec | Indiana | 2 on 8/22 at Yellow Creek SP (Carol Guba, Margaret Higbee, Gloria Lamer) |
| Black Tern | 1995 | Oct-Dec | Lancaster | 1 on 8/5 (Eric Witmer, et al) and 1 on 9/14 (Jerry Book) at Washington Boro |
| Black Tern | 1995 | Oct-Dec | Lebanon | 1 on 9/16 at Memorial L. (Jan Witmer) |
| Black Tern | 1995 | Oct-Dec | Lancaster | 1 on 10/6 and 10/8 at Washington Boro (Bob Schutsky, Eric Witmer, Tom Garner) |
| Black Tern | 2000 | Oct-Dec | Bucks | 2 on 9/13 at Van Sciver Lake (Bruce McNaught) |
| Black Tern | 2000 | Jul-Sep | Crawford | 1-2 on 7/26-8/1 at Pymatuning Fish Hatchery (Ron Leberman, Marvin Byler) |
| Black Tern | 2000 | Jul-Sep | Erie | Present part of the quarter |
| Black Tern | 2000 | Oct-Dec | Dauphin | 2 on 8/30 on the Susquehanna River at Harrisburg (Ramsay Koury) |
| Black Tern | 2000 | Oct-Dec | Delaware | 1 on 9/12 at Essington (Matt Sharp) |
| Black Tern | 2002 | Jul | Crawford | Found at Hartstown Marsh and PY through June and July (R.F. Leberman, R.C. Leberman, M. Byler) |
| Black Tern | 2002 | Aug-Nov | Lancaster | unreported number seen from 8/17-9/28 |
| Black Tern | 2002 | Aug-Nov | Somerset | 1 on 9/26 at Lake Stoneycreek (Jeff Payne, Lauretta Payne) |
| Black Tern | 2002 | Aug-Nov | Centre | 1 on 11/3-6 at Bald Eagle State Park (Molly Heath, m. obs.) |
| Black Tern | 2004 | Jun-Jul | Crawford | 2 adults at the traditional nesting location in Harstown Marsh 6/19 (Marvin Byler) |
| Black Tern | 2004 | Jun-Jul | Allegheny | 7 at Imperial on 7/30 remained until 7/31 (Ross Gallardy); A flock of 9 birds appeared at Dashields Dam on the Ohio River on 7/31 (Becky Smith) |
| Black Tern | 2007 | Jun-Jul | Lancaster | Conejahola Flats 6/10 (Tom Amico Bob Schutsky). |
| Black Tern | 2007 | Jun-Jul | Crawford | One at Miller's Pond 7/4 (Randy Stringer listserv) |
| Black Tern | 2008 | Jun-Jul | Crawford | At Geneva 7/23 (Robert Leberman) |
| Black Tern | 2008 | Jun-Jul | Lancaster | Seen late in Jul Susquehanna River, Conejohela Flats |
| Black Tern | 2008 | Jun-Jul | Northampton | One spent the day at a retention pond on Gremar Rd. (Ken and Gladys Price). |
| Black Tern | 2009 | Mar-May | Bedford | one at Dunnings Creek Wetlands 4/11 (Tom Dick) |
| Black Tern | 2009 | Mar-May | Allegheny | one at Imperial 5/10 (Mark Vass) |
| Black Tern | 2009 | Mar-May | Crawford | one at the Pymatuning Spillway 5/21 (Mark Vass) |
| Black Tern | 2009 | Mar-May | Erie | one at Edinboro Lake 5/12 (John Tautin), one at Niagara Pond at Presque Isle State Park 5/12 and one at Gull Point at Presque Isle 5/14 (Ryan Miller, Jerry McWilliams) |
| Black Tern | 2009 | Mar-May | Lancaster | 2 along the Susquehanna River at the "Rocks" 5/29-30 |
| Black Tern | 2009 | Mar-May | Washington | one at Greencove Wetlands 5/26 (Lauren Conkle), one in Bentleyville 5/26 (Ross Gallardy). |
| Black Tern | 2009 | Mar-May | Berks | one at Lake Ontelaunee 5/7 (Rudy Keller) |
| Black Tern | 2011 | Mar-May | Bedford | a flock of 15 at Dunnings Creek Wetlands 4/10 (Tom Dick) |
| Black Tern | 2011 | Mar-May | Berks | one at Shartlesville 5/14 (Matt Wlasniewski), one at Blue Marsh Lake 5/15 (Ken Lebo) and one at Lake Ontelaunee 5/24 (Rudy Keller) |
| Black Tern | 2011 | Mar-May | Dauphin | two at Marysville 5/20 (Dave McNaughton, Martin Wilson) and one there 5/23 (Ramsay Koury) |
| Black Tern | 2011 | Jun-Jul | Crawford | one at the Pymatuning Spillway 7/10 (Ronald F. Leberman) |
| Black Tern | 2011 | Jun-Jul | Cambria | one at Prince Gallitzin State Park 6/12 (Dave Gobert). |
| Black Tern | 2011 | Mar-May | Lehigh | two at Upper Macungie 5/20 (Jason Horn, Billy Weber) |
| Black Tern | 2011 | Mar-May | Wyoming | one at Lake Carey 5/1 (Joe DeMarco). |
| Black Tern | 2012 | Aug-Nov | Bucks | one at Rohm and Haas, Bristol 8/21 (Devich Farbotnik) and 2 at Peace Valley Park 9/5 (Henry D'Allesandro) |
| Black Tern | 2012 | Aug-Nov | Berks | one at French Creek State Park 8/18 (Todd Frantz) |
| Black Tern | 2012 | Aug-Nov | Lancaster | as many as 15 on the Susquehanna River at and near the Conejohela Flats 8/3-24 (m.ob., eBird) |
| Black Tern | 2012 | Aug-Nov | Philadelphia | up to 9 at John Heinz N.W.R. 8/11-9/24 (m.ob.) |
| Black Tern | 2012 | Aug-Nov | York | one at Lake Redman 8/10 (Dick Cleary). |
| Black Tern | 2012 | Jun-Jul | Venango | Kahle Lake 6/1 (Gary Edwards). |
| Black Tern | 2012 | Aug-Nov | Bedford | 8 at Dunnings Creek Wetlands 10/30 (Tom Dick) |
| Black Tern | 2012 | Aug-Nov | Centre | up to 9 at Bald Eagle State Park 8/11-12 (Bob Snyder) |
| Black Tern | 2012 | Aug-Nov | Cambria | at Prince Gallitzin State Park 9/4 (Dave Gobert, Shannon Thompson) and 9/16 (Dave Gobert) |
| Black Tern | 2012 | Aug-Nov | Indiana | one at Yellow Creek State Park 8/14 and 9/18 (Lee Carnahan, Margaret Higbee, et al.) |
| Black Tern | 2013 | Aug-Nov | Somerset | 7 at Somerset Lake 8/1 (Michael David, Andy McGann, MichaelLanzone, eBird). |
| Black Tern | 2013 | Jun-Jul | Crawford | one at the Fish Hatchery 6/30 (Robert F. Leberman) |
| Black Tern | 2013 | Jun-Jul | Franklin | at the Kriner Road ponds south of Chambersburg 6/14-17 (Bill Oyler, listserv) |
| Black Tern | 2013 | Aug-Nov | Berks | one at Lake Ontelaunee 8/1 (Ken Haas) and 2 at the Shartlesville pond 8/9 (Ken Lebo) |
| Black Tern | 2013 | Aug-Nov | Bucks | 2 at the Penn-Warner Tract 9/21 (Devich Farbotnik) |
| Black Tern | 2013 | Aug-Nov | Crawford | one imm. at Tamarack Lake 8/10 (Richard Eakin) and one adult at Woodcock Lake 8/10 (Richard Eakin) |
| Black Tern | 2013 | Aug-Nov | Philadelphia | 2-3 at John Heinz N.W.R. 8/9-11 (Brian Quindlen, Frank Windfelder, et al.) |
| Black Tern | 2013 | Jun-Jul | Berks | one at Blue Marsh Lake 6/7 and another 6/29 (Joan Silagy) |
| Black Tern | 2013 | Jun-Jul | Somerset | at Somerset Lake 7/12 (Andy McGann). |
| Black Tern | 2013 | Mar-May | Washington | Present at a smallpond on Bebout Road, Peters Twp. 5/11 (Gigi Gerben) |
| Black Tern | 2014 | Aug-Nov | Allegheny | singles at Imperial 8/3 and 9/1 (both Mark Vass) |
| Black Tern | 2014 | Aug-Nov | Erie | one at Gull Point 8/16 (Ruth Swaney) |
| Black Tern | 2014 | Aug-Nov | Franklin | one at Greencastle Reservoir 8/20 (Carl Garner) |
| Black Tern | 2014 | Jun-Jul | Crawford | an adult at the Pymatuning Spillway 7/20 (Ronald F. Leberman) |
| Black Tern | 2014 | Jun-Jul | Erie | 3 at a large pond near Waterford 6/10 (James Hill III), and far out on Lake Erie 7/2 (Jim Flynn) |
| Black Tern | 2014 | Aug-Nov | Monroe | one at Lynchwood Lake 8/23 (ph. Bruce Johnson) |
| Black Tern | 2014 | Aug-Nov | Indiana | at least 18 and possibly 26 at Yellow Creek State Park 8/12 (Lee Carnahan, Margaret Higbee, Roger Higbee) and 8 there 8/31 (Deb Grove, Greg Grove) |
| Black Tern | 2014 | Aug-Nov | Lebanon | one at Kreider's Retention Pond 9/2-3 (Timothy Becker, Steve Rannels) |
| Black Tern | 2014 | Aug-Nov | Huntingdon | one at Lake Perez 8/12 (Jon Kauffman) |
| Black Tern | 2014 | Aug-Nov | Montour | 6 at Montour Preserve 8/12 (Andy Keister, eBird) |
| Black Tern | 2014 | Aug-Nov | Berks | 8 at Lake Ontelaunee 8/12 (Dan Altif) and 11 at Blue Marsh Lake 9/4 (Joan Silagy) |
| Black Tern | 2014 | Jun-Jul | Lebanon | one at Memorial Lake State Park 6/7 (Tim Becker, Kathy Becker) |
| Black Tern | 2014 | Jun-Jul | Luzerne | one at Lake Jean in Ricketts Glen State Park 6/18 (Timothy Kita) and again 7/5 (Paul Bernhardt) |
| Black Tern | 2014 | Jun-Jul | Montour | over Lake Chillisquaque 7/25 (David Brown, eBird, photo) |
| Black Tern | 2014 | Jun-Jul | Pike | at Promised Land State Park 7/5 (ph. Zack Moyer, eBird). |
| Black Tern | 2014 | Aug-Nov | Blair | one at Canoe Creek State Park 8/31-9/1 (Michael David) |
| Black Tern | 2014 | Aug-Nov | Bucks | 4 at Mud Island 9/6 and one there 9/13 (Devich Farbotnik) |
| Black Tern | 2014 | Aug-Nov | Butler | 24 at Bear Run on Lake Arthur 8/31 (Mark Vass, ebird) |
| Black Tern | 2014 | Aug-Nov | Cambria | 9 at Duman's Dam 8/31 (Dave Gobert) |
| Black Tern | 2014 | Aug-Nov | Centre | 2 at Colyer Lake 8/12 (Michael Dreibelbis, et al.) and up to 7 at Bald Eagle State Park 8/12 and 8/31 (Michael Dreibelbis, et al.) |
| Black Tern | 2014 | Aug-Nov | Chester | one at Chambers Lake 8/31 (Rick Robinson) |
| Black Tern | 2014 | Aug-Nov | Somerset | one at Somerset Lake 8/27 (Andy McGann) and over 50 there 9/1 (Mike Lanzone). |
| Black Tern | 2015 | Aug-Nov | Montgomery | one at Green Lane Park 8/19 (Kenneth Rieker) |
| Black Tern | 2015 | Aug-Nov | Franklin | one at Pleasant Hill 8/20 (Bill Oyler, eBird) |
| Black Tern | 2015 | Aug-Nov | Mercer | one at the Shenango Wildlife Area 8/5 (Steve Sanford) |
| Black Tern | 2015 | Jun-Jul | Somerset | 2 at Somerset Lake 6/16 (Linda Greble). |
| Black Tern | 2015 | Aug-Nov | Bucks | one at the Penn-Warner Tract 8/11 (Devich Farbotnik) |
| Black Tern | 2015 | Aug-Nov | Centre | one at Bald Eagle State Park 8/27 (Brian Schmoke) |
| Black Tern | 2015 | Aug-Nov | Philadelphia | one at John Heinz N.W.R. 8/19 (Frank Windfelder). |
| Black Tern | 2015 | Aug-Nov | Bedford | 4 at Shawnee State Park 9/15 (Tom Dick) |
| Black Tern | 2015 | Aug-Nov | Dauphin | up to 6 on the Susquehanna River near Marysville 8/22-24 (Ted Nichols II, Michael David, eBird) and one at Fort Hunter 9/16 (Ed Bernot, eBird) |
| Black Tern | 2015 | Aug-Nov | Juniata | 2 on the Juniata River at the Mifflintown River Access 8/19 (Chad Kauffman, Aden Troyer) |
| Black Tern | 2015 | Aug-Nov | Lehigh | 2 at Nestle Way 8/21 (Frank Dickman) |
| Black Tern | 2016 | Mar-May | Dauphin | two 5/7 and one 5/27 at West Fairview (Ramsay Koury, Annette Mathes), three at Fort Hunter 5/1 (Deuane Hoffman) and 5/12 (Ed Bernot) |
| Black Tern | 2016 | Jun-Jul | Crawford | one at Pymatuning-Miller's Ponds 6/7 (Tony Bledsoe) and one at Pymatuning Fish Hatchery 6/22 (Ron Leberman) |
| Black Tern | 2016 | Mar-May | Erie | one at Presque Isle State Park 5/17 (Johan Nilsson, Johan Sodercrantz) |
| Black Tern | 2016 | Mar-May | Franklin | one at Greencastle Reservoir 5/1 (Carl Garner, Dale Gearhart, Bill Oyler, et al.) |
| Black Tern | 2016 | Aug-Nov | Northumberland | See Local Notes |
| Black Tern | 2016 | Mar-May | Bedford | seven at Shawnee State Park 5/11 (Tom Dick) |
| Black Tern | 2016 | Aug-Nov | Lycoming | See Local Notes |
| Black Tern | 2016 | Jun-Jul | Franklin | one transitioning from breeding plumage at Kriner Road Retention Ponds 7/25 (Bill Oyler) |
| Black Tern | 2016 | Aug-Nov | Centre | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Chester | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Bucks | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Montgomery | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Crawford | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Erie | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Indiana | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Lancaster | See Local Notes |
| Black Tern | 2016 | Aug-Nov | Luzerne | See Local Notes |
| Black Tern | 2016 | Jun-Jul | Lancaster | 2 on the Susquehanna R. at Peach Bottom 7/24 (Bob Schutsky). |
| Black Tern | 2016 | Jun-Jul | Indiana | one flew low over the marsh at Yellow Creek SP 6/14 |
| Black Tern | 2016 | Mar-May | Centre | one at Bald Eagle State Park 5/13 (Bill Chambers) |
| Black Tern | 2016 | Mar-May | Somerset | one at Quemahoning Reservoir 5/3 (Linda Greble). |
| Black Tern | 2017 | Aug-Nov | Franklin | at Greencastle Reservoir 8/13-16 (Carl Garner, Bill Oyler, ValBarnes, Nancy Magnusson) and 9/3 (Carl Garner) |
| Black Tern | 2017 | Aug-Nov | Indiana | 3 at Yellow Creek SP 8/22 (Lee Carnahan, et al.) |
| Black Tern | 2017 | Aug-Nov | Lancaster | 81 at the Conejohela Flats 8/18 (Meredith Lombard) with smallernumbers there through 9/10 (m.ob.) |
| Black Tern | 2017 | Aug-Nov | Lycoming | 3 at Canfield Island 8/18 (Bobby Brown, Deb Brown, Bob Brown) and oneat Rose Valley Lake 8/18 (Steve Pinkerton) |
| Black Tern | 2017 | Aug-Nov | Montgomery | one at Green Lake Park 9/16 (Joe Greco) |
| Black Tern | 2017 | Aug-Nov | Somerset | one at Somerset Lake 8/11 (Jeff Payne) |
| Black Tern | 2017 | Aug-Nov | Westmoreland | one at Acme Dam 9/5 (Josh Lefever) |
| Black Tern | 2017 | Aug-Nov | York | up to 3 at Codorus SP 8/6-20 (Karen Lippy, m.ob.). |
| Black Tern | 2017 | Jun-Jul | Crawford | one photographed at Pymatuning SP, Miller's Ponds 6/5 (Mike Hudson) |
| Black Tern | 2017 | Jun-Jul | Lebanon | one in non- breeding plumage provided a 13th county record at Memorial Lake SP 6/7 (Mary Coomer) |
| Black Tern | 2017 | Jun-Jul | Somerset | one at Quemahoning Reservoir 7/29 (Linda Greble). |
| Black Tern | 2017 | Aug-Nov | Armstrong | one at Crooked Creek Lake 9/3-9/10 (Theo Rickert, et al.) |
| Black Tern | 2017 | Aug-Nov | Berks | singles at Lake Ontelaunee 9/3(Dan Altif) and 10/12 (Matt Wlasniewski) |
| Black Tern | 2017 | Aug-Nov | Bucks | one at the Penn-Warner Tract 8/19 (Devich Farbotnik) |
| Black Tern | 2017 | Aug-Nov | Centre | as manyas 20 at Bald Eagle SP 8/18-22 (Carl Engstrom, et al.) |
| Black Tern | 2017 | Aug-Nov | Chester | 2 at Marsh Creek SP 8/18 (Michael Hartshorne, Holly Merker) |
| Black Tern | 2017 | Aug-Nov | Delaware | one at Fort Mifflin 8/23 (Al Guarente) |
| Black Tern | 2018 | Jun-Jul | Crawford | one at Pymatuning Spillway 6/12 (Ron Leberman) |
| Black Tern | 2018 | Jun-Jul | Lancaster | one in alternate plumage at Conejohela Flats 7/25 (Zachary Millen) |
| Black Tern | 2018 | Jun-Jul | Berks | one in breeding plumage at Blue Marsh Lake 6/1 (Russ Hoffman) |
| Black Tern | 2018 | Jun-Jul | Philadelphia | one in alternate plumage at John Heinz Refuge 7/24 (Todd Fellenbaum). |
| Black Tern | 2018 | Aug-Nov | Delaware | one on Delaware River at Fort Mifflin 8/29 (Rob Fergus) |
| Black Tern | 2018 | Aug-Nov | Bucks | one at Peace Valley Park 8/18 (August Mirabella) |
| Black Tern | 2018 | Aug-Nov | Butler | one at Watts Bay, Lake Arthur 9/10 (Martin Carlin) |
| Black Tern | 2018 | Aug-Nov | Cambria | 2 at Prince Gallitzin SP 8/21 (Dave Gobert) |
| Black Tern | 2018 | Aug-Nov | Centre | one at Bald Eagle SP 9/11 (Julia Plummer, Joe Verica) and 2 at Scotia Barrens and Pond 9/12-14 (Joe Verica, et al.) |
| Black Tern | 2018 | Aug-Nov | Chester | 4 at Marsh Creek SP 8/17 (Larry Lewis) |
| Black Tern | 2018 | Aug-Nov | Indiana | 14 at Yellow Creek SP 8/21 during rain (Lee Carnahan, Margaret Higbee, Roger Higbee, Debbie Kalbfleisch, Gloria Lamer) |
| Black Tern | 2018 | Aug-Nov | Montgomery | one each at Green Lane Park 8/4 (Paul Heveran), Wissahickon Waterfowl Preserve 8/23 (Jack McBrearty, Curt Dunn, et al.), and Green Lane Park 9/13 (Paul Heveran, Eric Zawatski) |
| Black Tern | 2018 | Aug-Nov | Montour | one at Montour Preserve 8/13 (Andy Keister, eBird) |
| Black Tern | 2018 | Aug-Nov | Lycoming | one at Nisbet 9/15 (Bobby Brown, et al.) |
| Black Tern | 2018 | Aug-Nov | Philadelphia | one at John Heinz N.W.R. 8/11 (Mark Greenberry) |
| Black Tern | 2018 | Aug-Nov | Lancaster | 2 at Conejohela Flats 9/2 (Mike Epler) and 2 at Middle Creek W.M.A. 9/9 (Bruce Carl) |
| Black Tern | 2018 | Aug-Nov | Venango | one at Kahle Lake 9/12 (Jerry Stanley). |
| Black Tern | 2019 | Jun-Jul | Erie | two at Gull Point 6/1 (Carl Engstrom, Eric Zawatski) and one there 6/2 (Sam Jolly) |
| Black Tern | 2019 | Aug-Nov | Delaware | 3 at Fort Mifflin 8/18 (Jason Horn) |
| Black Tern | 2019 | Aug-Nov | Erie | one at Gull Point 9/23 (Don Snyder) |
| Black Tern | 2019 | Aug-Nov | Franklin | one at Antrim Commons Ponds 8/21 (Bill Oyler, et al.) and 2 there 8/22 (Bob Koontz) |
| Black Tern | 2019 | Aug-Nov | Lancaster | top count for the season was 12 on Susquehanna River, Lake Clark 8/28 (Jason Horn, Chuck Berthoud) |
| Black Tern | 2019 | Aug-Nov | Lycoming | one at Rose Valley Lake 8/28 (Bobby Brown, David Brown, Deb Brown, Bob Brown) |
| Black Tern | 2019 | Aug-Nov | Philadelphia | one at John Heinz N.W.R. 8/2 (Rich Ziegler) |
| Black Tern | 2019 | Aug-Nov | Pike | 4 at Lake Wallenpaupack 9/2-3 (Michael Schall, Corinne Campbell Schall), same birds as in Wayne |
| Black Tern | 2019 | Aug-Nov | Wayne | 4 at Lake Wallenpaupack 9/2 (Michael Schall), same birds as in Pike. |
| Black Tern | 2019 | Jun-Jul | Centre | one at Scotia Barrens and Pond 7/7 (Jason Collens) |
| Black Tern | 2019 | Jun-Jul | Lancaster | adult at Susquehanna River Conejohela Flats 7/17 and 7/23 (Jason Horn) |
| Black Tern | 2019 | Jun-Jul | Venango | one at Two Mile Run Park 6/12 (Ed Atts). |
| Black Tern | 2019 | Aug-Nov | Butler | one at Lake Arthur's North Shore 8/10 (ph. Martin Carlin) |
| Black Tern | 2019 | Aug-Nov | Dauphin | one at West Fairview 8/15 (Evan Houston, eBird) |
| Black Tern | 2020 | Aug-Nov | Somerset | one at Quemahoning Reservoir 9/29 (Linda Greble) |
| Black Tern | 2020 | Aug-Nov | Wayne | 2 at White Oak Pond 9/2 (Chris Fischer, eBird). |
| Black Tern | 2020 | Jun-Jul | Crawford | two in the Pymatuning Goose Management Area 7/14 (Ron Leberman). |
| Black Tern | 2020 | Aug-Nov | Schuylkill | one at Landingville Dam and Marsh 8/2 (Thomas Buehl Jr.) |
| Black Tern | 2020 | Aug-Nov | Bucks | one at Nockamixon SP 8/4 (Bill Etter) |
| Black Tern | 2020 | Aug-Nov | Butler | one at Moraine SP 8/16 (Martin Carlin), 3 there 8/21 (Kimberly Berry, Mary Alice Koeneke, Glenn Koppel, Martin Carlin), and one at the Lake Arthur North Shore 9/6 (Martin Carlin) |
| Black Tern | 2020 | Aug-Nov | Cambria | one at Prince Gallitzin SP 8/7 (Tony DeSantis, eBird) |
| Black Tern | 2020 | Aug-Nov | Delaware | seven reports (m.ob.) |
| Black Tern | 2020 | Aug-Nov | Indiana | 3 at Yellow Creek SP 9/8 (Lee Carnahan, Margaret Higbee, Roger Higbee) |
| Black Tern | 2020 | Aug-Nov | Lancaster | regular at the Conejohela Flats 8/2-9/8 (m.ob.) with a top count of 22 on 9/3 (Jonathan DeBalko, Jason Horn, eBird) |
| Black Tern | 2020 | Aug-Nov | Lebanon | one at Middle Creek W.M.A. 8/4 (Steve Ferreri) and 2 there 9/1-2 (Steve Ferreri, Jonathan Heller, et al.) |
| Black Tern | 2020 | Aug-Nov | Lehigh | one at Alburtis Road 9/1 (Brandon Swayser) |
| Black Tern | 2020 | Aug-Nov | Philadelphia | one at the Navy Yard 8/12 (Robert Karchnyak) |
| Black Tern | 2021 | Aug-Nov | Butler | one at Lake Arthur 9/7 (Karen Delaney) |
| Black Tern | 2021 | Aug-Nov | Chester | 4 at Struble Lake 8/18 (Larry Lewis) |
| Black Tern | 2021 | Aug-Nov | Clarion | one at Kahle Lake 8/17 (Eric Schill, Jerry Stanley) |
| Black Tern | 2021 | Aug-Nov | Crawford | one at Miller Ponds 8/9 (Isaac Field) |
| Black Tern | 2021 | Aug-Nov | Delaware | seen at Hog Island seven days 8/13-29 (m.ob.) with high of 20 on 8/19 (Sara Busch) |
| Black Tern | 2021 | Aug-Nov | Fayette | 9 at Greenlick Run Lake 9/1 (Shannon Thompson, m.ob.) |
| Black Tern | 2021 | Aug-Nov | Franklin | one at Antrim Commons Ponds 9/5 (Missy Cutchall) |
| Black Tern | 2021 | Aug-Nov | Bucks | one at Peace Valley Park 8/5 (Edward Dolan) |
| Black Tern | 2021 | Jun-Jul | Butler | one at Moraine SP 6/7 (Martin Carlin) |
| Black Tern | 2021 | Jun-Jul | Cambria | briefly at Prince Gallitzin SP 7/13 (Dave Gobert) |
| Black Tern | 2021 | Jun-Jul | Chester | one 6/4 at Struble Lake (m.ob.) |
| Black Tern | 2021 | Jun-Jul | Crawford | one at Pymatuning SP Spillway 6/23 (Isaac Field, Ron Leberman) |
| Black Tern | 2021 | Jun-Jul | Lancaster | one on Susquehanna River, Conejohela Flats 6/12 (anon.) and 7/18 (Meredith Lombard, Michael Hartshorne). |
| Black Tern | 2021 | Aug-Nov | Lawrence | one at Shaner Road marsh 9/5 (Tom Pinter) |
| Black Tern | 2021 | Aug-Nov | Lycoming | one at Rose Valley Lake 8/12 (Bobby Brown, Rebecca Brown) |
| Black Tern | 2021 | Aug-Nov | Philadelphia | present at Navy Yard 9/9-10 (Ben Filreis, Holger Pflicke, Rich Ziegler) and one at Fort Mifflin 8/14 (Martin Dellwo, Patrick McGill) |
| Black Tern | 2021 | Aug-Nov | Pike | one at Shohola WMA 8/18 (Alexsis Neenan) |
| Black Tern | 2021 | Aug-Nov | Schuylkill | one or 2 at Landingville Dam and Marsh 8/14-17 (Thomas Buehl Jr., Tonia Jordan, Dave Rieger) |
| Black Tern | 2021 | Aug-Nov | Tioga | one at Webster Road 8/1 (Lisa Doud) |
| Black Tern | 2021 | Aug-Nov | Venango | one at Kahle Lake 8/17 and 9/1 (Jerry Stanley) |
| Black Tern | 2021 | Aug-Nov | York | singles at Gifford Pinchot SP 8/18 (David Arrow, Christian and Henry Schelbe) and Long Arm Reservoir 9/14 (Jacob Owings). |
| Black Tern | 2021 | Aug-Nov | Lancaster | 12 at Middle Creek WMA 8/12 (Alice Simmons) and at least 24 at Conejohela Flats 8/18 (Zach Millen) |
| Black Tern | 2022 | Jun-Jul | Crawford | 2 at Pymatuning SP-Miller's Ponds 6/19 and one there 6/28 (Isaac Field) |
| Black Tern | 2022 | Jun-Jul | Huntingdon | seen at Lake Perez 6/10 (Evan Tracy) |
| Black Tern | 2022 | Jun-Jul | Indiana | at Yellow Creek SP 7/31 (Jeff Kenney, Angela Romanczuk). |
| Black Tern | 2022 | Jun-Jul | Centre | one seen flying over Bald Eagle SP 6/7(Jon Kauffman) |
| Black Tern | 2023 | Jun-Jul | Erie | one was observed flying over Eaton Reservoir on 6/8 (Ripley Kindervater) and two were over a private pond in Waterford on 6/24 (Jamie Hill) |
| Black Tern | 2023 | Jun-Jul | Franklin | made an evening stop at Antrim Commons Ponds 6/26 (Kyle Rambo) |
| Black Tern | 2023 | Jun-Jul | Huntingdon | two were found at Lake Perez 6/13-14 (m.ob.) |
| Black Tern | 2023 | Jun-Jul | Tioga | pictures taken of one resting on a buoy at the western end of Cowanesque Lake 6/15 (Dale and Karen Plumley). |
| Black Tern | 2023 | Mar-May | Chester | one at Struble Lake 4/30 (Zach Baer, m.ob.) |
| Black Tern | 2023 | Mar-May | Erie | two at Presque Isle State Park 5/22 (Chris Lundberg) |
| Black Tern | 2023 | Mar-May | Franklin | one at Antrim Commons Ponds 5/13 (Jessica Ferguson, Ron George, Tracy George-Snyder, Bob Kochert, Terry Kochert, Chris Payne, Rebeca Payne) |
| Black Tern | 2023 | Mar-May | Indiana | one at Yellow Creek State Park 5/7 (Eric Pilgram) and 5/15 (Garrett Strittmatter, Mark Strittmatter) |
| Black Tern | 2023 | Mar-May | Lycoming | one at Rose Valley Lake 5/16 (Bobby Brown, Deb Brown, Bob Brown, Rebecca Brown). |
| Black Vulture | 2010 | Mar-May | Cumberland | present 3/26-5/26 |
| Black Vulture | 2010 | Mar-May | Bedford | a total of 27 for the season at the Allegheny Front Hawk Watch (Counters of the Allegheny Front Hawkwatch) |
| Black Vulture | 2010 | Mar-May | Somerset | two in the Summit Mills Area 3/22 (Elmer Brenneman). |
| Black Vulture | 2010 | Mar-May | Erie | one flew over the Tom Ridge Environmental Center 3/18 (Jerry McWilliams) |
| Black Vulture | 2010 | Jun-Jul | Lycoming | a nest was discovered in early May inLimestone Twp. a first confirmed breeding record in thecounty (Wesley Egli, Mary Morrison) |
| Black Vulture | 2010 | Mar-May | Montgomery | 137 flew over Unami Creek Valley 3/19 (Kevin Crilley) |
| Black Vulture | 2010 | Mar-May | Snyder | one near Middleburg 3/6 (Jason Weller) |
| Black-and-white Warbler | 1993 | Oct-Dec | York | last seen 10/2 |
| Black-and-white Warbler | 1993 | Oct-Dec | Allegheny | 1 at Harrison Hills Park 10/3 (P. Hess) |
| Black-and-white Warbler | 1993 | Oct-Dec | Berks | last seen at Leesport 10/3 (D. Kendall) |
| Black-and-white Warbler | 1993 | Oct-Dec | Bucks | Last seen at Peace Valley Park 10/9 |
| Black-and-white Warbler | 1994 | Oct-Dec | Lancaster | 1 on 10/1 (Tom Garner) |
| Black-and-white Warbler | 1994 | Oct-Dec | Delaware | 1 on 10/2 at the Darlington Tract (Al Guarente) |
| Black-and-white Warbler | 1994 | Oct-Dec | Perry | 4 on 10/2 at Millers Gap (Dick Colyer, Deuane Hoffman) |
| Black-and-white Warbler | 1994 | Oct-Dec | York | 1 on 10/14 at Wrightsville was late (Jack & Lil Downs) |
| Black-and-white Warbler | 1996 | Jan-Mar | Philadelphia | 1 on 3/31 at Tinicum was one day shy of an early record date (Beth Slikas) |
| Black-and-white Warbler | 1999 | Oct-Dec | Adams | Present to early October at Gettysburg NHP (Greg Keller, Dave Klute, Brad Ross) |
| Black-and-white Warbler | 1999 | Oct-Dec | Bucks | 1 on 10/2 at Peace Valley Park (August Mirabella) |
| Black-and-white Warbler | 2000 | Jan-Mar | Berks | 1 on 3/27 at Lake Ontelaunee was early (Catherine Elwell, Sue Schmoyer) |
| Black-and-white Warbler | 2002 | Jan-Mar | Allegheny | 1 on 3/3 |
| Black-and-white Warbler | 2002 | Jan-Mar | Berks | 1 on 3/30 at Nolde Forest Environmental Education Center was only the 2nd March arrival record for the county |
| Black-and-white Warbler | 2002 | Jan-Mar | Forest | 2 on 3/25 at feeders in Yellowhammer (L. Imperiale) |
| Black-and-White Warbler | 2003-2004 | Dec-Feb | Chester | one 12/27 during the Western Chester County CBC. |
| Black-and-white Warbler | 2012-2013 | Dec-Feb | Lehigh | one at Whitehall Parkway 1/27 (Liz and Ed Vermillion) |
| Black-and-white Warbler | 2012-2013 | Dec-Feb | Philadelphia | one at Tinicum 12/3 (ph. Theresa Heinsler) and 12/16 (Steve Dupont). |
| Black-and-White Warbler | 2013-2014 | Dec-Feb | Berks | one found during Bernville CBC 12/28 (Paul Michaly). |
| Black-and-white Warbler | 2014-2015 | Dec-Feb | Cumberland | 2 at West Fairview 12/7 and one 12/13-22 (Ramsay Koury, Annette Mathis). |
| Black-and-white Warbler | 2015-2016 | Dec-Feb | Cumberland | one along the Conodoguinet Cr. at the West Fairview Boat Launch 1/17 (Ramsay Koury), the second consecutive winter one was found there |
| Black-and-white Warbler | 2015-2016 | Dec-Feb | Philadelphia | a female at Lardner's Point Park on the Pennypack Valley CBC 12/19 (Todd Fellenbaum), present until 1/9 (Martin Dellwo, Jamie Zigarelli). |
| Black-and-white Warbler | 2017-2018 | Dec-Feb | Centre | one in State College 12/9 (Steven Feldstein). |
| Black-and-white Warbler | 2018-2019 | Dec-Feb | Blair | one near Penn State Altoona 2/17 (Sandra Michael) |
| Black-and-white Warbler | 2018-2019 | Dec-Feb | Lancaster | one in Ephrata 12/30-1/6 (Frank Haas) and seen for Lititz CBC. |
| Black-and-white Warbler | 2018-2019 | Dec-Feb | Delaware | one at Bryn Mawr 12/5 (Lathrop Nelson) |
| Black-and-white Warbler | 2020-2021 | Dec-Feb | Chester | 12/30-1/21 (Kayann Cassidy) |
| Black-and-white Warbler | 2020-2021 | Dec-Feb | Mifflin | female at Victory Park 1/4-16 and 2/17 (Chad Kauffman, Rob Dickerson) |
| Black-and-white Warbler | 2020-2021 | Dec-Feb | Monroe | one at Silver Valley Natural Area 12/04 (Paul Nale) |
| Black-and-white Warbler | 2020-2021 | Dec-Feb | Philadelphia | at NE Water Treatment Plant 12/26-1/13 (m.ob.). |
| Black-and-white Warbler | 2021-2022 | Dec-Feb | Dauphin | one in Harrisburg 12/1 (Ed Bernot) |
| Black-and-white Warbler | 2021-2022 | Dec-Feb | Philadelphia | one along the Schuylkill R. 2/5 (Daniel Singer) and one at Southwest Water Treatment Plant 12/29 (Holger Pflicke). |
| Black-and-white Warbler | 2023-2024 | Nov-Feb | Philadelphia | one at the NE WTP in Dec-Jan (m.ob.). |
| Black-backed Oriole | 2016-2017 | Dec-Feb | Berks | One in Sinking Spring 1/26 through period (Mike Slater, m.ob.). |
| Black-backed Oriole | 2017 | Mar-May | Berks | continued from winter in SinkingSpring to 4/9 (Linda Binder, Tom Binder, m.ob.). |
| Black-backed Woodpecker | 2001 | Jan-Mar | Pike | 1 from 3/6 through the end of the quarter at Pocono Environmental Education Center in Dingman's Ferry (Patrick Scheuer, v. obs.) |
| Black-backed Woodpecker | 2001 | Apr-Jun | Pike | 1 on 4/7 at the Pocono Environmental Education Center (m. obs.). Reported to be present since mid-March but unknown to PA birders until April. The bird remained until at least 5/25 |
| Black-bellied Plover | 1992 | Oct-Dec | Lancaster | 20 on 9/25 at the Conjehola Flats, Jonathan Heller, et al |
| Black-bellied Plover | 1992 | Oct-Dec | Fulton | 3 over Tuscarora Summit 11/4 (Carl Garner). (See table for other records) |
| Black-bellied Plover | 1992 | Oct-Dec | Lehigh | 2 on 8/17 at ABE Airport, Rick Wiltraut |
| Black-bellied Plover | 1992 | Oct-Dec | Montgomery | One on 9/24 at Green Lane Res., Kevin Crilley |
| Black-bellied Plover | 1992 | Oct-Dec | Montour | One on 9/28 at Montour Preserve, Christine Schaefer |
| Black-bellied Plover | 1992 | Oct-Dec | York | 2 on 9/18 (location and observer not reported) |
| Black-bellied Plover | 1992 | Oct-Dec | Cambria | 3 at Prince Gallitzin 11/4 (John Salvetti) |
| Black-bellied Plover | 1993 | Oct-Dec | Erie | Present up to 10/29 at Presque Isle (J. McWilliams) |
| Black-bellied Plover | 1993 | Apr-Jun | Cumberland | 1 on 5/3 at Mud Level Rd (Don Henise) |
| Black-bellied Plover | 1993 | Oct-Dec | Lancaster | present up to 10/31 at Marietta (J. Heller) |
| Black-bellied Plover | 1993 | Apr-Jun | Lancaster | 2 seen from 5/15-19 at Washington Boro (Jerry Book) |
| Black-bellied Plover | 1993 | Apr-Jun | Montgomery | 1 on 5/2 at Green Lane Res. (Jason Horn) |
| Black-bellied Plover | 1993 | Jul-Sep | York | 1 on 6/1 at Brunners Island (Al Spiese) |
| Black-bellied Plover | 1993 | Oct-Dec | Centre | 1 on 10/30 (Ted Floyd) and 11/6 (Dorothy Bordner) at Bald Eagle SP |
| Black-bellied Plover | 1993 | Oct-Dec | Mercer | 2 at Shenango R.Res. 10/23 (R. Stringer) |
| Black-bellied Plover | 1993 | Oct-Dec | York | last seen 10/9 |
| Black-bellied Plover | 1993 | Apr-Jun | Erie | 1 on 5/1 (Jerry McWilliams) and 3 on 5/29 (Ed Kwater); all at Presque Isle SP |
| Black-bellied Plover | 1994 | Oct-Dec | Erie | Last seen 11/12 at Presque Isle SP (Jerry McWilliams) |
| Black-bellied Plover | 1994 | Oct-Dec | Lancaster | Last seen 10/26 at Washington Boro (EBNT) |
| Black-bellied Plover | 1994 | Oct-Dec | York | Present into October |
| Black-bellied Plover | 1995 | Oct-Dec | Dauphin | 2 on 10/7 on the Susquehanna River (Mark McConaughy) |
| Black-bellied Plover | 1995 | Oct-Dec | Erie | Present from 10/5-28 at Presque Isle SP (Jerry McWilliams) |
| Black-bellied Plover | 1995 | Oct-Dec | Lancaster | 9 on 10/1 at Bainbridge (Larry Coble) |
| Black-bellied Plover | 1995 | Oct-Dec | Mercer | 1 on 10/19 at Shenango Res. (Ed Kwater) |
| Black-bellied Plover | 1997 | Oct-Dec | Crawford | Present from 10/25-11/2 at Woodcock L.(Ron Leberman, Isaac Field) |
| Black-bellied Plover | 1997 | Oct-Dec | Lancaster | recorded up to 10/12 at Washington Boro (Bob Schutsky et al) |
| Black-bellied Plover | 1997 | Oct-Dec | Montgomery | 1 on 10/24-28 at Green Lane Res. (Kevin Crilley, George Franchois) |
| Black-bellied Plover | 1997 | Oct-Dec | Somerset | 1 on 10/13-11/2 at Somerset L. (Bob Leberman, Jeff & Lauretta Payne) |
| Black-bellied Plover | 1998 | Apr-Jun | Cumberland | Present from 5/1 to 5/26 with a high of 7 on 5/20 at Mud Level Road (Don Henise) |
| Black-bellied Plover | 1998 | Oct-Dec | Montgomery | Present up to 10/4 at Green Lane Reservoir (George Franchois) |
| Black-bellied Plover | 1998 | Apr-Jun | Dauphin | 1 on 5/19 at Haldeman Island (Scott Bills) |
| Black-bellied Plover | 1998 | Apr-Jun | Erie | Recorded from 5/3-25 at Presque Isle SP (Jerry McWilliams) |
| Black-bellied Plover | 1998 | Apr-Jun | Lancaster | Recorded from 5/9-23 with 4 on the 23rd at Washington Boro (Peter Robinson) |
| Black-bellied Plover | 1998 | Oct-Dec | Erie | present up to 11/12 at Presque Isle State Park (Jerry McWilliams) |
| Black-bellied Plover | 1998 | Oct-Dec | Franklin | present up to 10/8 at Greencastle Reservoir (Dale Gearhart) |
| Black-bellied Plover | 1999 | Oct-Dec | Erie | Present up to late October |
| Black-bellied Plover | 1999 | Oct-Dec | Mercer | Present up to 10/8 with 5 on 10/2 at Shenango River Reservoir (Randy Stringer) |
| Black-bellied Plover | 2000 | Apr-Jun | Dauphin | 1 on 5/6 at Harrisburg (Deuane Hoffman) |
| Black-bellied Plover | 2000 | Apr-Jun | Erie | Present from 5/7-20 with a high of 10 on 5/13 at Presque Isle State Park (Jerry McWilliams) |
| Black-bellied Plover | 2000 | Apr-Jun | Forest | 1 on 5/13 at Buzzard Swamp (Flo & Jim McGuire) |
| Black-bellied Plover | 2000 | Jul-Sep | Northampton | 1 on 4/27 at Martin's Creek flyash ponds; 2 on DelHaven Rd. 5/22; and 1 at Frutchey Hill Rd. 6/1 (Rick Wiltraut) |
| Black-bellied Plover | 2000 | Apr-Jun | Potter | 1 on 4/8 at Lake Lloyd (Jack Mitterer) |
| Black-bellied Plover | 2001 | Apr-Jun | Chester | 1 on 5/15 at Kurtz Fish Hatchery (Grier Saunders); 6 on 5/22 at KFH (Holly Merker); and 1 on 5/26 at KFH (Grier Saunders) |
| Black-bellied Plover | 2001 | Apr-Jun | Dauphin | 2 on 5/29 on the Susquehanna River at Marysville (Dan Bogar) |
| Black-bellied Plover | 2001 | Apr-Jun | Erie | present part of the quarter (Jerry McWilliams) |
| Black-bellied Plover | 2001 | Jul-Sep | Lancaster | present 5/2 and 6/2 |
| Black-bellied Plover | 2001 | Oct-Dec | Bucks | 1 on 10/27 at Nockamixon State Park (Devich Farbotnik) |
| Black-bellied Plover | 2001 | Apr-Jun | Indiana | 2 on 5/12 at Yellow Creek State Park (Gloria Lamer, Geogette Syster); 1 on 5/15 at YCSP (Margaret Higbee, John Salvetti) |
| Black-bellied Plover | 2001 | Oct-Dec | Chester | 5 on 10/24 at Chambers Lake (Theodore Drozdowski) |
| Black-bellied Plover | 2007 | Mar-May | Beaver | one 5/12 and two 5/24 at Little Blue Lake (Mark Vass) |
| Black-bellied Plover | 2007 | Mar-May | Berks | one near L. Ontelaunee 5/9 (Ken Lebo) |
| Black-bellied Plover | 2007 | Mar-May | Allegheny | one at Imperial 5/16 (Mark Vass) |
| Black-bellied Plover | 2007 | Jun-Jul | Crawford | one at Pymatuning 7/24 (Robert C. Leberman) |
| Black-bellied Plover | 2007 | Mar-May | Centre | one at Bald Eagle S.P. 5/23 (Greg Grove) |
| Black-bellied Plover | 2007 | Mar-May | Lancaster | present at the Conejohela Flats 5/12-6/6 with a max. of 16 on 5/21. |
| Black-bellied Plover | 2007 | Jun-Jul | Lancaster | 3 at Conejohela Flats 6/6 (Chuck Chalfont Tom Johnson Andy McGann) |
| Black-bellied Plover | 2007 | Jun-Jul | Philadelphia | 3 at the drained impoundment at Tinicum 7/12. |
| Black-bellied Plover | 2008 | Jun-Jul | Bucks | 25 on 6/3 over Quakertown (Devich Farbotnik) |
| Black-bellied Plover | 2008 | Jun-Jul | Cumberland | one at Mud Level Road during first week of Jun (Vernon Gauthier) |
| Black-bellied Plover | 2008 | Jun-Jul | Lancaster | Conejohela Flats, Susquehanna River 6/1 (Jonathan Heller). |
| Black-bellied Plover | 2009 | Mar-May | Beaver | 3 at Little Blue Lake 5/22 (Mark Vass) |
| Black-bellied Plover | 2009 | Mar-May | Bucks | one at the Penn-Warner Tract 5/16 (Devich Farbotnik) |
| Black-bellied Plover | 2009 | Mar-May | Lancaster | present 5/3-28 |
| Black-bellied Plover | 2009 | Mar-May | Washington | 2 near Bentleyville 5/26 (Andy Berchin). |
| Black-bellied Plover | 2009 | Mar-May | Berks | 6 at Evansville Road near Lake Onteulanee 5/29 (Ken Lebo, Matt Wlasniewski) |
| Black-bellied Plover | 2011 | Jun-Jul | Lancaster | one observed 6/2 at the Conejohela Flats (Eric Witmer, eBird). |
| Black-bellied Plover | 2012 | Jun-Jul | Philadelphia | Pennypack on the Delaware 7/15 (Frank Windfelder). |
| Black-bellied Plover | 2012 | Jun-Jul | Erie | various sightings from 6/2-6/16 with up to 3 on 6/8 at Presque Isle (eBird, m.ob.) |
| Black-bellied Plover | 2013 | Mar-May | Bucks | approximately 100 flew by near Quakertown 5/30 (Devich Farbotnik) |
| Black-bellied Plover | 2013 | Mar-May | Crawford | 2 at the Pymatuning Goose Management Area 4/26 (Mark Vass) and 7 at Tamarack Lake 5/27 (Robert Leberman) |
| Black-bellied Plover | 2013 | Mar-May | Dauphin | one heard on nocturnal migration over the Deer Valley Golf Club 5/27 (Tom Johnson) |
| Black-bellied Plover | 2013 | Mar-May | Franklin | one at Greencastle Reservoir 5/20 (Carl Garner, Dale Gearhart) |
| Black-bellied Plover | 2013 | Mar-May | Indiana | one at Yellow Creek State Park 5/11 (Gloria Lamer, Georgette Syster) |
| Black-bellied Plover | 2013 | Mar-May | Lancaster | 7 at the Conejohela Flats 5/12 (Bob Schutsky) |
| Black-bellied Plover | 2013 | Mar-May | Lebanon | 6 at Kreider's Retention Pond 5/12 (Stan Stahl), followed by four there 5/14 (Stan Stahl, Tim Becker), one 5/17 (Randy Miller), and one 5/28-30 (Tom Johnson, Dave McNaughton) |
| Black-bellied Plover | 2013 | Mar-May | Northampton | one at Minsi Lake 5/28 (Matt Sabatine) |
| Black-bellied Plover | 2013 | Mar-May | Somerset | four at Somerset Lake 5/12 (Andy McGann), one there 5/28 (Mike Lanzone). |
| Black-bellied Plover | 2013 | Jun-Jul | Lancaster | one at Conejohela Flats 6/9 (Gordon Dimmig). |
| Black-bellied Plover | 2014 | Jun-Jul | Berks | 4 near Topton remained from 5/30 to 6/3 (Kim Gruener, Anthony Uhrich, Peter and Jane Wolfe) |
| Black-bellied Plover | 2014 | Jun-Jul | Erie | three sightings at Gull Point 6/30-7/30 (m.ob, eBird) |
| Black-bellied Plover | 2014 | Jun-Jul | Dauphin | one south of Hummelstown 7/21 (Ed Bernot) |
| Black-bellied Plover | 2014 | Jun-Jul | Lancaster | one at the Conejohela Flats 6/1 (Eric Witmer, Bruce Carl) |
| Black-bellied Plover | 2014 | Jun-Jul | Northampton | one at Green Pond 6/12-15 (Michael Schall, Dave DeReamus) |
| Black-bellied Plover | 2014 | Jun-Jul | Somerset | one over Berlin 7/19 (Jeff Payne) |
| Black-bellied Plover | 2015 | Mar-May | Bucks | one at the Penn-Warner Tract 5/9 (Devich Farbotnik) |
| Black-bellied Plover | 2015 | Mar-May | Crawford | one at the Linesville Fish Hatchery 5/9 (Bruce Kiester, Barbara Kiester) |
| Black-bellied Plover | 2015 | Mar-May | Dauphin | one nocturnal migrant heard in South Hanover Township 5/9 (Ian Gardner) |
| Black-bellied Plover | 2015 | Mar-May | Somerset | 3 at Somerset Lake 5/13 (Nick Biss, Mike Lanzone) and one remaining 5/15 (Carolyn Payne, Jeff Payne). |
| Black-bellied Plover | 2015 | Jun-Jul | Erie | 2 at Gull Point 6/8 (Jerry McWilliams, eBird). |
| Black-bellied Plover | 2016 | Jun-Jul | Erie | eBird reports at Presque Isle, Gull Point 7/17 (Alex Lamoreau), 7/19 (Richard Nugent), and 7/25 (Jerry McWilliams). |
| Black-bellied Plover | 2017 | Jun-Jul | Erie | one on 7/24, and 3 on 7/28 at Gull Point (Mary Birdsong, eBird) |
| Black-bellied Plover | 2017 | Jun-Jul | Westmoreland | two on Laughlin Farm Rd. 6/4 (Ken Byerly). |
| Black-bellied Plover | 2018 | Jun-Jul | Delaware | 2 at Ft Mifflin/Hog Island Rds 7/28 (Rob Fergus, Al Guarente) |
| Black-bellied Plover | 2018 | Jun-Jul | Erie | one at Presque Isle-Gull Pt 7/26 (Mary Birdsong, eBird). |
| Black-bellied Plover | 2019 | Jun-Jul | Erie | one on 6/2 and 7/22 at Gull Point (Mary Birdsong) |
| Black-bellied Plover | 2019 | Jun-Jul | Lancaster | two at Alcoa Marsh 6/17-29 ((Larry Bernhardt, m.ob.) |
| Black-bellied Plover | 2019 | Jun-Jul | Cumberland | at Mud Level Road 7/8 (Andy Markel ) |
| Black-bellied Plover | 2019 | Jun-Jul | Montgomery | 250 fly-overs on 6/1 at Green Lane Park (Paul Heveran). |
| Black-bellied Plover | 2020 | Jun-Jul | Delaware | three seen 6/5 at Hog Island Rd. (Jason Horn, ph.) |
| Black-bellied Plover | 2020 | Jun-Jul | Erie | 2 on Gull Point 6/1 (Mary Birdsong) |
| Black-bellied Plover | 2020 | Jun-Jul | Lancaster | one seen 6/2 (Jason Horn). |
| Black-bellied Plover | 2020-2021 | Dec-Feb | Erie | one at Gull Point 12/3 (Connor Vara), new fall late date for county. |
| Black-bellied Plover | 2021 | Jun-Jul | Bedford | one 6/3 at Shawnee SP (Lorna Wyrick) |
| Black-bellied Plover | 2021 | Jun-Jul | Chester | flock of 15 flew over La Reserve, near Unionville 6/2 (Kelly Nunn, Ellen Nunn) |
| Black-bellied Plover | 2021 | Jun-Jul | Lancaster | three at Blue Rock Rd Boat Launch 6/1 (Austin Loewen, eBird). |
| Black-bellied Plover | 2022 | Jun-Jul | Berks | one in flooded field along Evansville Rd. near L. Ontelaunee 6/2 (Rudy Keller, Jo Spilde). |
| Black-bellied Plover | 2023 | Jun-Jul | Crawford | one was observed at Pymatuning |
| Black-bellied Plover | 2023 | Jun-Jul | Dauphin | one was photographed at Game Lands 290 Haldeman Island 6/5 and 6/12 (Steve Schmit) |
| Black-bellied Plover | 2023 | Jun-Jul | Delaware | at Delaware River/Hog Island Rd on 6/4 (John Zygmunt, Al Guarente), 6/6 (Rob Fergus) and one in breeding plumage 7/31 (Kiehl Smith, Megan McCullouch, eBird, doc) |
| Black-bellied Plover | 2023 | Jun-Jul | Erie | single birds seen sporadically through the season (eBird, m.obs.) |
| Black-bellied Plover | 2023 | Jun-Jul | Lancaster | two were discovered on the Conejohela Flats on 6/1 (Paul Nal), relocated 6/3 (Nina and Warren Wolf) and 6/4 (Mike Epler and Steve Schmit, eBird records, ph.) |
| Black-bellied Plover | 2023 | Jun-Jul | Mercer | one was present at the Shenango Wildlife Area Propagation Ponds on 6/3 (Steve Manns, Rebecca Hart) and 6/4 (Kim Springer, Jim Springer). |
| Black-bellied Whistling-Duck | 1993 | Jul-Sep | Indiana | 11 on 6/8 |
| Black-bellied Whistling-Duck | 1993 | Jul-Sep | Westmoreland | 3 from 6/9-22 at Loyalhanna Dam. See separate write-up for the occurrence in Indiana and Westmoreland Cos |
| Black-bellied Whistling-Duck | 1993 | Oct-Dec | Lancaster | 5 from 7/21 to at least 8/12 at the Howard Martin farm near the intersection of Centerville and Charlestown roads (Jerry Book, Tom Garner, Harold Morrin, m. obs. Ph, Randy Miller et al) |
| Black-bellied Whistling-Duck | 2006 | Jun-Jul | Lancaster | One was found 6/24 at the Alcoa Marsh (Leon Schreffler m.ob.) and remained at least through 7/6 (John Fedak). |
| Black-bellied Whistling-Duck | 2006 | Jun-Jul | Berks | Four were discovered at a small farm pond on Kauffman Rd. Oley Twp. 6/4 (Patrick O'Donnell). None was banded (Rudy Keller). Starting 6/5 only one duck was seen at the original site or at nearby Gotwals Pond with the last report 6/18 (Art Schiavo) |
| Black-bellied Whistling-Duck | 2007 | Jun-Jul | Lancaster | 2 flew past the Conejohela Flats 6/24 (Chuck Chalfant). |
| Black-bellied Whistling-Duck | 2008 | Aug-Nov | Crawford | one trapped at the Pymatuning Goose Management Area and banded 8/26 (Kevin Jacobs, doc submitted) was seen by many until 10/8. The bird was reportedly shot later by a hunter (fide Ron Leberman). |
| Black-bellied Whistling-Duck | 2010 | Aug-Nov | Berks | two on the Wyomissing Creek in Mohnton 8/3-8 (Larry Koch, Barbara Murse, doc submitted) |
| Black-bellied Whistling-Duck | 2010 | Aug-Nov | Franklin | one near Chambersburg 8/14 (Sandy Powers, doc submitted). |
| Black-bellied Whistling-Duck | 2010 | Mar-May | Dauphin | 5 in South Hanover Twp. 5/30 (Tom Johnson, et al., doc submitted). |
| Black-bellied Whistling-Duck | 2012 | Jun-Jul | Lancaster | 2 seen and photographed at Middle Creek WMA 7/26, not relocated (ph. Shawn Loewen). |
| Black-bellied Whistling-Duck | 2016 | Aug-Nov | Lancaster | one at Hurst Rd and Frysville Rd 10/24-11/5 (Fern Bauman, m.ob. doc submitted) |
| Black-bellied Whistling-Duck | 2016 | Aug-Nov | Northampton | one at Walnutport Canal 10/3 to early Dec (Pam Pryor, m.ob., doc submitted). |
| Black-bellied Whistling-Duck | 2017 | Aug-Nov | Adams | one at Lake Heritage 9/22(Callan Murphy) remained the through at least 12/19 (no doc). |
| Black-bellied Whistling-Duck | 2017-2018 | Dec-Feb | Adams | one continued at Lake Heritage from the fall until 12/19 (m.ob.). |
| Black-bellied Whistling-Duck | 2018 | Aug-Nov | Chester | 2 at a private farm pond in Nottingham 8/10 (Kendra VonNieda, doc submitted) |
| Black-bellied Whistling-Duck | 2018 | Aug-Nov | Mercer | one at Shenango propagation ponds 8/10 (ph. Jim Mondok, doc submitted). |
| Black-bellied Whistling-Duck | 2019 | Aug-Nov | York | 6 on Susquehanna River at Native Lands Heritage Trail 8/7 (Chuck Berthoud, Dick Cleary, Dean Newhouse, Donald Weidemann, doc submitted). |
| Black-bellied Whistling-Duck | 2019 | Jun-Jul | Allegheny | seven appeared at North Park during stormy weather 7/19 (David Prentice) |
| Black-bellied Whistling-Duck | 2019 | Jun-Jul | Berks | 11 visited a pond at the edge of a residential development near Leesport 7/4 and left the same day (David Robson) |
| Black-bellied Whistling-Duck | 2019 | Jun-Jul | Clinton | one at the Central Mountain High School wetlands in Mill Hall 7/12 remained until 7/22 (Carol and Charles Hildebrand, m.ob.) |
| Black-bellied Whistling-Duck | 2019 | Jun-Jul | Lancaster | a pair at Alcoa Marsh 6/17-29 (Larry Bernhardt, m.ob.) |
| Black-bellied Whistling-Duck | 2019 | Jun-Jul | Montgomery | one stopped in Wissahickon Waterfowl Preserve 7/25-26 (Andrew Albright, m.ob., ph.) |
| Black-bellied Whistling-Duck | 2019 | Jun-Jul | Montour | one found at Rt54 wetlands continued to 6/16 (m.ob.) |
| Black-bellied Whistling-Duck | 2019 | Jun-Jul | Philadelphia | four at the John Heinz NWR impoundment 7/21 (m.ob., eBird). |
| Black-bellied Whistling-Duck | 2019 | Mar-May | Berks | 12 at EJ Breneman's Quarry 5/11-27 (Ken Lebo, m.ob., doc submitted), third county record |
| Black-bellied Whistling-Duck | 2019 | Mar-May | Lebanon | 8 along Ft. Zellers Rd. 5/20 (Jonathan Heller, Steve Ferreri, Mike Shull, doc submitted), first county record |
| Black-bellied Whistling-Duck | 2019 | Mar-May | Montour | flock of 37 at Rte. 54 Wetlands near Arrowhead Rd. 5/18 (Franny Dennehy, Paul Dennehy, m.ob., doc submitted). |
| Black-bellied Whistling-Duck | 2020 | Jun-Jul | Erie | four took up residence in a West Springfield pond 6/29 to around 7/22, the first county record (fide Richard & Michele Wurst) |
| Black-bellied Whistling-Duck | 2020 | Jun-Jul | Delaware | four were discovered at John Heinz NWR 6/2 (Rich Ziegler, m.ob.) |
| Black-bellied Whistling-Duck | 2020 | Jun-Jul | Huntingdon | ten spent 7/30 at the Old Crow Wetland (David Kyler, ph., m.ob.) |
| Black-bellied Whistling-Duck | 2020 | Jun-Jul | Montgomery | one discovered at Green Lane Park 7/20 by a park employee and shared by Joseph Greco, then seen by many |
| Black-bellied Whistling-Duck | 2020 | Jun-Jul | Philadelphia | seven at the retention pond behind the Philadelphia Mills mall 6/24 (Holger Pflicke, m.ob.). |
| Black-bellied Whistling-Duck | 2021 | Aug-Nov | Dauphin | one on Susquehanna River at Liverpool 9/11 (Dave Barnes, no doc) |
| Black-bellied Whistling-Duck | 2021 | Aug-Nov | Schuylkill | one flew past Hawk Mountain Sanctuary 8/23 (Bracken Brown, et al., no doc). |
| Black-bellied Whistling-Duck | 2021 | Jun-Jul | Franklin | one 7/17 at Antrim Commons Ponds (Michael Saylor). |
| Black-bellied Whistling-Duck | 2022 | Aug-Nov | Adams | one at a farm pond on Buttonwood Rd. 10/11-11/14 (Cy Dietz, Linette Mansberger, doc submitted) |
| Black-bellied Whistling-Duck | 2022 | Aug-Nov | Schuylkill | 11 at Landingville Dam and Marsh 8/29-31 (Dan Brennan, Karen Hardy, Rich Rieger, John Stetson, Dave Kruel, doc submitted). |
| Black-bellied Whistling-Duck | 2022 | Jun-Jul | Allegheny | one at Imperial 6/12-13 (Mark Vass) |
| Black-bellied Whistling-Duck | 2022 | Jun-Jul | Berks | 2 in flooded field along Cross Keys Rd. 6/3-6 (Jo Spilde, ph.) |
| Black-bellied Whistling-Duck | 2022 | Jun-Jul | Clarion | one at small farm pond in Limestone where it stayed 6/12-14 (Jeffrey Hall, Eric Schill, Alice Thurau, Carole Winslow) |
| Black-bellied Whistling-Duck | 2022 | Jun-Jul | Delaware | 10 photographed 6/15 at Governor Printz Park (Rob Fergus, m.ob.) |
| Black-bellied Whistling-Duck | 2022 | Jun-Jul | Lancaster | one spent time at Lancaster Solid Waste Management Authority landfill 7/21-26 (Brian Shade) |
| Black-bellied Whistling-Duck | 2022 | Jun-Jul | Philadelphia | 3 at John Heinz NWR 7/30, third report since 2019 (Kathy Tangaroo, m.ob.). |
| Black-bellied Whistling-Duck | 2023 | Jun-Jul | Philadelphia | one observed 7/2 at John Heinz National Wildlife Refuge (Rand Quinn, eBird, ph., m.ob.). |
| Black-bellied Whistling-Duck | 2024 | Mar-May | Berks | nine on Reider Rd 5/12-13 (Kevin Lutz), doc submitted |
| Black-bellied Whistling-Duck | 2024 | Mar-May | Lancaster | one at Turkey Hill Landfill 4/10 (Meredith Lombard), doc submitted, six at the Conejohela Flats 5/28 (J. Roak, P. Larish), doc submitted. |
| Black-billed Cuckoo | 1993 | Oct-Dec | York | last seen 10/2 at Spring Valley County Park (Dave Kubitsky) |
| Black-billed Cuckoo | 1993 | Oct-Dec | Montgomery | 1 at Green Lane Res. 10/3 (Gary Freed, George Franchois) |
| Black-billed Cuckoo | 1994 | Oct-Dec | Allegheny | 1 on 10/8 at Harrison Hills Park was late (Paul Hess) |
| Black-billed Cuckoo | 1994 | Oct-Dec | Berks | 1 on 10/1 at Leesport (Dean Kendall) |
| Black-billed Cuckoo | 1997 | Oct-Dec | Huntingdon | 1 on 10/8 at Blairs Mills (Robert Taylor) |
| Black-billed Cuckoo | 1997 | Oct-Dec | Luzerne | Present til 10/24 at Hobbie (Autumn Pfeiffer) |
| Black-billed Cuckoo | 1997 | Oct-Dec | Westmoreland | Present til 10/2 at Delmont (Ken Byerly) |
| Black-billed Cuckoo | 1998 | Oct-Dec | Pike | Present up to 10/24 at Promised Land State Park (Tom Clauser) |
| Black-billed Cuckoo | 1998 | Oct-Dec | Westmoreland | present up to 10/7 at Powder Mill Nature Reserve (Robert Leberman, Robert Mulvihill) |
| Black-billed Cuckoo | 1999 | Oct-Dec | Westmoreland | 1 on 10/2 (late) at Powdermill Nature Reserve (Bob Leberman, Bob Mulvihill) |
| Black-billed Cuckoo | 2000 | Oct-Dec | Bucks | Present up to 10/5 at Peace Valley County Park |
| Black-billed Cuckoo | 2000 | Oct-Dec | Lancaster | Present part of the quarter |
| Black-billed Cuckoo | 2001 | Oct-Dec | Lebanon | 1 on 10/7 at Second Mountain (Randy Miller, Morris Cox) |
| Black-billed Cuckoo | 2001 | Oct-Dec | Westmoreland | 1 on 10/6 at Powdermill Nature Reserve (Robert C Leberman, Robert S. Mulvihill) |
| Black-capped Petrel | 1989 | Aug-Nov | Venango | Five records, all 9/23-24/1989 following Hurricane Hugo. Three from Venango and one each in Allegheny and Wyoming (PB 3:99, 3:116, 3:124-125). |
| Black-capped Petrel | 1989 | Aug-Nov | Allegheny | Five records, all 9/23-24/1989 following Hurricane Hugo. Three from Venango and one each in Allegheny and Wyoming (PB 3:99, 3:116, 3:124-125). |
| Black-capped Petrel | 1989 | Aug-Nov | Wyoming | Five records, all 9/23-24/1989 following Hurricane Hugo. Three from Venango and one each in Allegheny and Wyoming (PB 3:99, 3:116, 3:124-125). |
| Black-capped Petrel | 1996 | Oct-Dec | Butler | 1 picked up 9/11 in Penn Twp. Was sent to Florida for recovery |
| Black-capped Petrel | 1996 | Jul-Sep | Somerset | 2 found after Hurricane Fran (see details elsewhere in this issue) |
| Black-chinned Hummingbird | 2000 | Apr-Jun | Carbon | 1 on 5/7 at Beltsville State Park would be added to the state's Provisional List if accepted by PORC as there were no identifiable photos (Dave Hawk, Robert Barowski) (See Local Notes for details of the sighting) |
| Black-chinned Hummingbird | 2000 | Oct-Dec | Tioga | 1 on 8/13 at Jobs Corners. Video was taken of this bird and will be reviewed by PORC. If accepted, it would be the 1st documented record for the state (Larry Brown) |
| Black-chinned Hummingbird | 2012 | Aug-Nov | Bucks | one well photographed in Morrisville 11/10 (ph. Rich Dulay, doc submitted) would represent the first record for Pennsylvania if accepted. |
| Black-chinned Hummingbird | 2013 | Aug-Nov | Franklin | one adult male at a feeder in Sugar Grove from early Nov (Dale Gearhart) was banded 11/13 (Sandy Lockerman, doc submitted) and remained to 11/25 (m.ob.), second confirmed record for Pennsylvania. |
| Black-chinned Hummingbird | 2016 | Aug-Nov | Lycoming | adult female at feeder in Montoursville 11/11-15 (Deb Brown, Bob Brown, Bobby Brown),banded 11/12 (Wayne Laubscher, doc submitted). |
| Black-chinned Hummingbird | 2018 | Aug-Nov | Monroe | one in a Saylorsburg yard in early Nov (ph. Rick Wiltraut) was banded and confirmed 11/19 (Scott Weidensaul) and remained to 11/22 (no doc submitted). |
| Black-crowned Night-Heron | 1993 | Jan-Mar | Cumberland | 1 at Huntsdale 3/27 (Don & Robyn Henise) |
| Black-crowned Night-Heron | 1993 | Jan-Mar | Delaware | All quarter |
| Black-crowned Night-Heron | 1995 | Jan-Mar | Berks | 1 on 3/24-27 at L. Ontelaunee (Ken Lebo, Matt Spence) |
| Black-crowned Night-Heron | 1995 | Oct-Dec | Lancaster | present till 10/8 at Bainbridge (Larry Coble) |
| Black-crowned Night-Heron | 1995 | Jan-Mar | Bucks | Present up to 12/16 (Bob Mercer) |
| Black-crowned Night-Heron | 1995 | Jan-Mar | Delaware | Present all quarter |
| Black-crowned Night-Heron | 1995 | Jan-Mar | Philadelphia | 4 on 3/23 at Tinicum (Tom Reeves) |
| Black-crowned Night-Heron | 1995 | Oct-Dec | Berks | Present part of the quarter |
| Black-crowned Night-Heron | 1995 | Oct-Dec | Erie | Present up to 10/29 at Edinboro (Louise Chambers) |
| Black-crowned Night-Heron | 1996 | Jan-Mar | Philadelphia | present from 3/25 on at Tinicum (Ed Fingerhood, Skip Conant) |
| Black-crowned Night-Heron | 1997 | Jan-Mar | Philadelphia | 4 on 1/11 (Winter Bird Count) |
| Black-crowned Night-Heron | 1997 | Jan-Mar | York | 6 present from 3/27 at Kiwanus L. (Al Spiese) |
| Black-crowned Night-Heron | 1997 | Jan-Mar | Lawrence | 1 on 2/2-3 at Newcastle (Suzanne Butcher) |
| Black-crowned Night-Heron | 1997 | Jan-Mar | Cumberland | Present from 3/30+at Huntsdale Fish Hatchery (Deuane Hoffman) |
| Black-crowned Night-Heron | 1997 | Jan-Mar | Lebanon | 1 on 3/24 at SGL 145 (Randy Miller) |
| Black-crowned Night-Heron | 1998 | Jan-Mar | Lancaster | 2 on 3/28 at Eden Rd. (Bruce Carl) |
| Black-crowned Night-Heron | 1998 | Jan-Mar | Philadelphia | Present all quarter with 4 on 1/10 |
| Black-crowned Night-Heron | 1998 | Jan-Mar | Cumberland | Present from 3/31 at West Fairview (Deuane Hoffman) |
| Black-crowned Night-Heron | 1998 | Jan-Mar | Indiana | 2 on 2/4 at Blue Spruce County Park (Margaret Buckwalter, Mike Leahy) |
| Black-crowned Night-Heron | 1999 | Oct-Dec | Luzerne | 3 present up to 10/18 (late) at Plymouth Flats (Rick Koval) |
| Black-crowned Night-Heron | 1999 | Jan-Mar | Bucks | 1 on 1/13 at Lake Warren (Devich Farbotnik) |
| Black-crowned Night-Heron | 1999 | Jan-Mar | Cumberland | 1st seen on 2/25 at Huntsdale Fish Hatchery (Deuane Hoffman) |
| Black-crowned Night-Heron | 1999 | Oct-Dec | Philadelphia | Present part of the quarter |
| Black-crowned Night-Heron | 1999 | Oct-Dec | Delaware | Present part of the quarter |
| Black-crowned Night-Heron | 1999 | Jan-Mar | Philadelphia | Present up to 1/9 at the Delaware River |
| Black-crowned Night-Heron | 1999 | Jan-Mar | Bucks | Present up to 12/18 in southern Bucks |
| Black-crowned Night-Heron | 2000 | Jan-Mar | Cumberland | First seen on 3/28 at West Fairview (Deuane Hoffman) |
| Black-crowned Night-Heron | 2000 | Jan-Mar | Delaware | Present part of the quarter |
| Black-crowned Night-Heron | 2000 | Jan-Mar | Philadelphia | 2 on 1/8 |
| Black-crowned Night-Heron | 2000 | Jan-Mar | York | First seen on 3/16 |
| Black-crowned Night-Heron | 2000 | Oct-Dec | Crawford | 1 on 11/19 at Pymatuning Spillway (Walter Shaffer) |
| Black-crowned Night-Heron | 2000 | Jan-Mar | Delaware | Present part of the quarter |
| Black-crowned Night-Heron | 2000 | Oct-Dec | Erie | 1 on 11/14 at Presque Isle State Park (Dave Darney) |
| Black-crowned Night-Heron | 2000 | Oct-Dec | Lancaster | Present part of the quarter |
| Black-crowned Night-Heron | 2000 | Oct-Dec | Philadelphia | Present up to 10/7 at Tinicum |
| Black-crowned Night-Heron | 2001 | Jan-Mar | Lawrence | 1 on 3/31 |
| Black-crowned Night-Heron | 2001 | Jan-Mar | Philadelphia | 4 from 1/6 |
| Black-crowned Night-Heron | 2001 | Jan-Mar | York | 3 on 3/19 at Kiwanus Lake Rookery (A. Spiese). By 3/23, 22 were present at the Kiwanus Lake Rookery with numbers increasing into April |
| Black-crowned Night-Heron | 2004-2005 | Dec-Feb | Lancaster | one bird found on the Lancaster CBC 1/2 |
| Black-crowned Night-Heron | 2004-2005 | Dec-Feb | Bucks | one was found on the Southern Bucks CBC 12/18 but five were believed to have wintered near Bristol (Devich Farbotnik) |
| Black-crowned Night-Heron | 2006-2007 | Dec-Feb | Bucks | One at Bristol 12/16-1/1 (Bob MercerDevich Farbotnik) |
| Black-crowned Night-Heron | 2006-2007 | Dec-Feb | Cumberland | One on Harrisburg CBC at West Fairview 12/16 (Deuane Hoffman). |
| Black-crowned Night-Heron | 2007-2008 | Dec-Feb | Bucks | Up to four at Bristol until 1/15 (Billy Weber, Devich Farbotnik, Bill Keim) |
| Black-crowned Night-Heron | 2007-2008 | Dec-Feb | Cumberland | One at West Fairview on the Susquehanna River, considered an early migrant, 2/26 (Cliff Jones). |
| Black-crowned Night-Heron | 2007-2008 | Dec-Feb | Dauphin | One at West Fairview on the Susquehanna River, considered an early migrant, 2/26 (Cliff Jones). |
| Black-crowned Night-Heron | 2008-2009 | Dec-Feb | Bucks | two at Penn-Warner Tract on Southern Bucks CBC 12/20 to at least 12/27 (Devich Farbotnik, Billy Weber). |
| Black-crowned Night-Heron | 2009-2010 | Dec-Feb | Bucks | 4 at Penn-Warner Tract through 12/13, two through 1/1 (Devich Farbotnik), and one at Rohm and Haas 1/23 (Devich Farbotnik). |
| Black-crowned Night-Heron | 2010-2011 | Dec-Feb | Bucks | one at Silver Lake Park 2/13 (Devich Farbotnik) |
| Black-crowned Night-Heron | 2010-2011 | Dec-Feb | Cumberland | one at Green Spring Fish Hatchery, Newville CBC 1/2 (Andy Markel). |
| Black-crowned Night-Heron | 2011-2012 | Dec-Feb | Bucks | 2 at Silver Lake Park 12/11, with one remaining 12/17 (Devich Farbotnik), and one at Penn-Warner Tract 12/17 (Devich Farbotnik) |
| Black-crowned Night-Heron | 2011-2012 | Dec-Feb | Cumberland | one on the Susquehanna R. at West Fairview 12/16 (Deuane Hoffman) |
| Black-crowned Night-Heron | 2011-2012 | Dec-Feb | Lancaster | one at Alcoa Marsh 2/16-17 (Justin Bosler, Bruce Carl) |
| Black-crowned Night-Heron | 2011-2012 | Dec-Feb | Philadelphia | one on the Schuylkill R. at the Waterworks 12/5 (Linda Widdup), and a juvenile photographed at Manaynunk Canal 1/26 (Ken Januski). |
| Black-crowned Night-Heron | 2011-2012 | Dec-Feb | Beaver | an immature at Brighton Boat Launch 2/5 was the first winter record for the county (Ed Richards) |
| Black-crowned Night-Heron | 2011-2012 | Dec-Feb | Dauphin | one on the Susquehanna R. at West Fairview 12/16 (Deuane Hoffman) |
| Black-crowned Night-Heron | 2012 | Jun-Jul | Berks | the colony formerly centered on Wellington Blvd dispersed to scattered nesting sites, mostly in conifers in nearby yards, sightings at Lake Ontelaunee, and Blue Marsh Lake 7/2 (Stephen Werner) |
| Black-crowned Night-Heron | 2012 | Jun-Jul | Bucks | numerous reports at various locations (m.ob.), with a high count of 3 at Peace Valley Park 7/25 (August Mirabella) |
| Black-crowned Night-Heron | 2012 | Jun-Jul | Chester | an imm. was spotted and photographed at Marsh Creek State Park 7/14 (Mike Defina) |
| Black-crowned Night-Heron | 2012 | Jun-Jul | Dauphin | 8 were observed at Susquehanna River at West Fairview 6/23 (Ramsay Koury), and individuals were reported from South Hanover Twp. 7/5 (Gordan Dimmig), from Wildwood Lake 7/21 (Ramsay Koury), and from along the Swatara Creek 7/24 (Gordan Dimmig) |
| Black-crowned Night-Heron | 2012 | Jun-Jul | Mercer | 5 seen flying over Shenango Lake at the propagation area (listserv, Steve Sanford) |
| Black-crowned Night-Heron | 2012 | Jun-Jul | Montgomery | at Green Lane Reservoir 7/3 and 7/15 (George Franchois), and Douglass Twp. 7/18 (Mary Ache) |
| Black-crowned Night-Heron | 2012 | Jun-Jul | Philadelphia | seen regularly in northeast Philadelphia across the Delaware River from a New Jersey nest site. |
| Black-crowned Night-Heron | 2012-2013 | Dec-Feb | Westmoreland | one at Mt. Pleasant 12/10 (Tim Anderson). |
| Black-crowned Night-Heron | 2012-2013 | Dec-Feb | Bucks | one at Silver Lake Park 1/19 (Devich Farbotnik) |
| Black-crowned Night-Heron | 2012-2013 | Dec-Feb | Franklin | one at Falling Stream Branch for about a week mid-Feb through at least 2/27 (Carl Garner) |
| Black-crowned Night-Heron | 2012-2013 | Dec-Feb | Lancaster | one at Wood's Edge Pond 12/3 (Meredith Lombard) |
| Black-crowned Night-Heron | 2013-2014 | Dec-Feb | Lancaster | one at Alcoa Marsh 12/9 and 1/11 (Brent Musser). |
| Black-crowned Night-Heron | 2013-2014 | Dec-Feb | Bucks | one at Silver Lake Park 1/1 (Devich Farbotnik) |
| Black-crowned Night-Heron | 2014-2015 | Dec-Feb | Philadelphia | one at John Heinz N.W.R. 1/11 (Martin Dellwo). |
| Black-crowned Night-Heron | 2014-2015 | Dec-Feb | Erie | One imm. at the Wastewater Treatment Plant 12/18-20 (John DePaul) |
| Black-crowned Night-Heron | 2015-2016 | Dec-Feb | Bucks | one at Silver Lake Park 1/1 (Devich Farbotnik) |
| Black-crowned Night-Heron | 2015-2016 | Dec-Feb | Erie | one in Greene Twp. 2/28 (Pam Zelenak, Bob Zelenak). |
| Black-crowned Night-Heron | 2017 | Mar-May | Mercer | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Montgomery | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Bucks | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Lebanon | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Northampton | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Schuylkill | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Erie | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Somerset | See Local Notes |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Blair | one along Lower Trail at Coverdale Trailhead 6/4 (Joe Verica, Steve Schmit) |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Bucks | individuals at Nockamixon SP 6/21 (Paul Teese), Morrisville Levee 6/28 (Mark Gallagher ph.), and Silver Lake Park 7/21-7/29 (Dawn Denner, Devich Farbotnik) |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Delaware | seen from Marcus Hook 6/1 (Al Guarente) and from an airport hotel 7/8 (Kathy Becker, Tim Becker) |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Franklin | observed near Rt. 11 north of Chambersburg in Siloam Rd. area 6/12 (Bill Oyler) |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Lancaster | nesting at Ephrata rookery comprised at least 91 adults and juvs. on 6/25 (Zachary Millen, m.ob.) |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Lebanon | seen over Lindley Murray Rd 7/4 (Steve Walthius), at Stover's Dam Park 7/17 (Pat and Richard Williams), and 2 were at Mine and Birch Rd pond 7/24 (Pat and Richard Williams) |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Wyoming | a juvenile was on island in the Susquehanna R. just north of Tunkhannock 7/14 (Douglas Sheldon) |
| Black-crowned Night-Heron | 2017 | Jun-Jul | York | census on 6/12 at Kiwanis Lake produced 22 nests and a visit 6/21 produced the high count of 26 birds (Chuck Berthoud). |
| Black-crowned Night-Heron | 2017 | Mar-May | Delaware | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Armstrong | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Westmoreland | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Lehigh | See Local Notes |
| Black-crowned Night-Heron | 2017 | Jun-Jul | Berks | single juveniles. at Lake Ontelaunee 7/23 (Mike Schall) and 8/3 (Rudy Keller), and at Blue Marsh Lake 8/8 and 8/18 (Peter Montgomery) |
| Black-crowned Night-Heron | 2017 | Mar-May | Centre | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Crawford | See Local Notes |
| Black-crowned Night-Heron | 2017 | Mar-May | Cumberland | See Local Notes |
| Black-crowned Night-Heron | 2017-2018 | Dec-Feb | Bucks | one on Southern Bucks County CBC 12/16 (DF). |
| Black-crowned Night-Heron | 2020-2021 | Dec-Feb | Allegheny | immature at Duck Hollow 12/13-14 (Chuck Jones), third county winter record. |
| Black-crowned Night-Heron | 2021-2022 | Dec-Feb | Allegheny | an immature at Fox Chapel Marina 12/12 (fide Adrian Fenton, m.ob.) |
| Black-crowned Night-Heron | 2021-2022 | Dec-Feb | Montgomery | an immature at Lake View Shopping Center, Royersford 1/23-26 (Todd Underwood, m.ob.). |
| Black-crowned Night-Heron | 2022-2023 | Dec-Feb | Allegheny | an immature at Brunots Island 2/14 (Nathaniel Bowler). |
| Black-crowned Night-Heron | 2023-2024 | Nov-Feb | Bucks | an immature at Penn-Warner Tract 2/4 (Dawn Denner) |
| Black-crowned Night-Heron | 2023-2024 | Nov-Feb | Cumberland | an immature at the Limpkin location in Mechanicsburg 1/29 (Mike Murphy) |
| Black-crowned Night-Heron | 2023-2024 | Nov-Feb | Erie | one or two in a retention pond off the south pier 12/6-1/30 (John Kramer), a first county record for Jan. |
| Black-headed Grosbeak | 1995 | Oct-Dec | Allegheny | 1 was coming to a feeder in Wexford since September, but the word did not get out to knowledgeable birders until November. It was present through December. It was a first county record and the first confirmed Pennsyvania record since 1975 |
| Black-headed Grosbeak | 1996 | Apr-Jun | Allegheny | the bird first seen in Wexford in October 1995 was present up to May 7 |
| Black-headed Grosbeak | 1996 | Jan-Mar | Allegheny | 1 was coming to a feeder in Wexford since September was still present throughout the quarter |
| Black-headed Grosbeak | 1998 | Jul-Sep | Northampton | 1 on 7/26 at Williams Twp. was a first county record (Arlene Koch) |
| Black-headed Grosbeak | 1999 | Apr-Jun | Lancaster | 1 on 5/7 at Rapho Twp. (Randy Miller) |
| Black-headed Grosbeak | 2002-2003 | Dec-Feb | Lancaster | 1 on 12/15 during the Solanco CBC (Frank Haas, Barb Haas) and on 12/17 (m. obs.). The bird was at the feeder of Dale and Maxine Montgomery for at least a week prior to the week of 12/15 |
| Black-headed Grosbeak | 2004 | Aug-Nov | Westmoreland | A female banded 9/24 (Bob Mulvihill, Bob Leberman, Mike Lanzone, Adrieene Leppold) |
| Black-headed Grosbeak | 2006 | Mar-May | Northampton | a male visited a feeder in Williams Twp. 5/13 (Arlene Koch) furnishing a 2nd county record |
| Black-headed Grosbeak | 2006 | Mar-May | Westmoreland | one briefly visited a feeder at Powdermill Nature Reserve 5/3 (Mike Lanzone, Trish Miller). (No Doc). |
| Black-headed Grosbeak | 2014 | Mar-May | Armstrong | a male visiting a feeder near Leechburg 4/29 (Lingling Morgan, Matt Morgan, no doc). |
| Black-headed Grosbeak | 2015-2016 | Dec-Feb | Northampton | A first winter male visited a feeder south of Hellertown on county line 2/13 through remainder of period (Don Mease, Elaine Mease) second confirmed record in Northampton. |
| Black-headed Grosbeak | 2015-2016 | Dec-Feb | Bucks | A first winter male visited a feeder south of Hellertown on county line 2/13 through remainder of period (Don Mease, Elaine Mease) first confirmed record in Bucks. |
| Black-headed Grosbeak | 2016 | Mar-May | Northampton | one continued from the winter season on Springtown Hill Road up to 4/22 (Elaine Mease, Donald Mease). |
| Black-headed Grosbeak | 2018 | Aug-Nov | Schuylkill | one immature at feeder in Wayne Twp. 11/13 (Scott Weidensaul, no doc submitted). |
| Black-headed Grosbeak | 2019 | Aug-Nov | Chester | one female in West Chester 10/20 (ph. Ross Gallardy, Melissa Gallardy, doc submitted). |
| Black-headed Gull | 1993 | Jan-Mar | Chester | 1 at a sewage treatment plant near Oxford 1/23 (Grier Saunders) remained for several weeks |
| Black-headed Gull | 1994 | Jul-Sep | Crawford | 1 at Pymatuning SP 7/17 (R. Leberman) |
| Black-headed Gull | 1995 | Apr-Jun | Lancaster | 1 on 4/8 at Conowingo Pond was the first county record since 1992 (Bruce Carl, et al) |
| Black-headed Gull | 1997 | Jan-Mar | Bucks | 1 on 1/4 at Nockamixon SP (Steve Farbotnik) and another? from 1/28-2/2 at Peace Valley Park (Ian Baldoch et al) |
| Black-headed Gull | 1997 | Oct-Dec | Allegheny | 1 on 11/4 at the Riverfront Park in Pittsburgh was a first county record (Chuck Tague) |
| Black-headed Gull | 1998 | Jan-Mar | Butler | 1 on 12/6-8 at Moraine State Park (Paul Hess, Mike Fialkovich, John Fedak) |
| Black-headed Gull | 1998 | Jan-Mar | Lancaster | 1 on 12/20 at Cook's Landing Road (Bob Schutsky) |
| Black-headed Gull | 1999 | Apr-Jun | Carbon | 1 on 5/29 (Bob Franz, Dave Hawk) |
| Black-headed Gull | 1999 | Apr-Jun | Lancaster | 1 on 4/3 at Fishing Creek Rd. (Bruce Carl)(no details) |
| Black-headed Gull | 1999 | Apr-Jun | Somerset | 1 on 4/20 at Somerset Lake was a 1st county record (Bob Leberman)(no details) |
| Black-headed Gull | 1999 | Oct-Dec | Allegheny | 1 on 11/3-21 at Mckees Rocks (Scott Knizey et al) |
| Black-headed Gull | 1999 | Apr-Jun | Erie | 1 on 4/1 at Presque Isle SP (Jerry McWilliams) and 1 on 4/20-22 at Presque Isle SP (Greg Cook)(no details) |
| Black-headed Gull | 2000 | Apr-Jun | Erie | 1 on 4/29 at Presque Isle State Park (Jerry McWilliams) |
| Black-headed Gull | 2000 | Jan-Mar | Dauphin | 1 on 12/17 at Susquehanna River in Marysville (Dan Bogar) |
| Black-headed Gull | 2000 | Jan-Mar | Erie | 1 on 10/17 at Presque Isle State Park (Deuane Hoffman) (No desc.) and 1 on 12/1 at Presque Isle State Park (Paul Hess, Sam Sinderson) |
| Black-headed Gull | 2001 | Apr-Jun | Lancaster | 1 on 5/8 & 5/18 at the Conejohela Flats (Bob Schutsky, Jerry Book) |
| Black-headed Gull | 2002 | Aug-Nov | Perry | 1 on 10/5 (no desc.) |
| Black-headed Gull | 2004 | Aug-Nov | Bucks | One was reported 11/27 through the end of the period at Tullytown (Cameron Rutt) |
| Black-headed Gull | 2004-2005 | Dec-Feb | Bucks | one arrived in late Nov and remained until 12/8 at Tullytown (Cameron Rutt, Bill Etter et al) |
| Black-headed Gull | 2005 | Mar-May | Dauphin | one near Dauphin 3/27 (Tom Johnson, Deuane Hoffman) |
| Black-headed Gull | 2006 | Mar-May | Lancaster | one in alternate plumage seen from the parking lot of the Accomac Inn 4/1 (Jonathan Heller, Eric Witmer, m.ob.). |
| Black-headed Gull | 2006-2007 | Dec-Feb | Bucks | One at Tullytown 1/6-1/23 (Devich Farbotnik). |
| Black-headed Gull | 2007 | Aug-Nov | Warren | one at Glade Bridge in Warren 11/16 (John Fedak) would be a first county record if accepted (unfortunately, no doc.). |
| Black-headed Gull | 2007 | Mar-May | Dauphin | one at Fort Hunter along the Susquehanna R. 3/30-3/31 (Cameron Rutt Mike Weible) and another at City Island Harrisburg 4/7 (Mike Oyler). |
| Black-headed Gull | 2008 | Aug-Nov | Butler | one at the South Shore Day Use Area, Lake Arthur (Moraine State Park), 11/27 to the end of the period (Dave Darney, Debbie Darney, m.ob., doc submitted). |
| Black-headed Gull | 2008-2009 | Dec-Feb | Butler | one at Moraine S.P., continued from Nov to 12/10 (Ben Coulter, m.ob.). |
| Black-headed Gull | 2009 | Aug-Nov | Northampton | one on the Delaware R. at Easton 11/18-21 (ph. Dave DeReamus). |
| Black-headed Gull | 2009 | Mar-May | Lancaster | one at Muddy Run Fisherman's Park 5/26 (Chuck Chalfant), one at the Wildcat Rocks 4/10 (Jonathan Heller, Justin Bosler). |
| Black-headed Gull | 2009 | Mar-May | Dauphin | one at Marysville 5/15 (Andrew Markel, Ramsay Koury) |
| Black-headed Gull | 2010 | Aug-Nov | Bucks | one at Bristol 8/1 (Devich Farbotnik, ph. Holly Merker, doc submitted). |
| Black-headed Gull | 2010 | Mar-May | Cumberland | one at Mudlevel Road 3/20 (Vern Gauthier, Ramsay Koury, Matt Sabatine, doc submitted), first county record |
| Black-headed Gull | 2010 | Mar-May | Dauphin | one along the Susquehanna River at Marysville 3/14 (Ramsay Koury, Andy Markel, Joan Renninger, Matt Sabatine, DevonBosler, et al., doc submitted). |
| Black-headed Gull | 2011 | Mar-May | Lancaster | one on the Susquehanna River near Columbia 3/19 (Eric Witmer, no doc) and one on the Suquehanna River at Fisherman's/Wissler Run Park 4/23 (Tom Raub, no doc) |
| Black-headed Gull | 2011 | Mar-May | Bucks | one at the Penn-Warner Tract 5/17-19 (Devich Farbotnik, no doc) |
| Black-headed Gull | 2011 | Mar-May | Dauphin | one at Marysville 3/22-24 (Ramsay Koury, Andy Markel, Matte Sabatine, no doc), one at Harrisburg 4/3 (Geoff Malosh, no doc) |
| Black-headed Gull | 2011 | Aug-Nov | Bucks | one at the Penn-Warner Tract 11/6 (Devich Farbotnik, no doc). |
| Black-headed Gull | 2011 | Mar-May | Perry | one at Marysville 3/23 (Lou Carpenter, no doc). |
| Black-headed Gull | 2011-2012 | Dec-Feb | Butler | one at Moraine S.P. 12/9 (Shannon Thompson, Dave Wilton, doc submitted) |
| Black-headed Gull | 2011-2012 | Dec-Feb | Lancaster | a first-winter bird at the Conejohela Flats 2/5-15 (Eric Witmer, doc submitted). |
| Black-headed Gull | 2012 | Mar-May | Lancaster | the bird present from Feb in Washington Boro was last seen 3/10 (Eric Whitmer, et al., doc submitted). |
| Black-headed Gull | 2012-2013 | Dec-Feb | Butler | one at L. Arthur 12/2-3 (Mark Vass, ph. Geoff Malosh, doc submitted) |
| Black-headed Gull | 2012-2013 | Dec-Feb | Cumberland | one at East Pennsboro 2/23 (Andy Markel, no doc). |
| Black-headed Gull | 2013 | Mar-May | Dauphin | one at Marysville 3/16-21 (Ramsay Koury, Andy Markel, m.ob., no doc) |
| Black-headed Gull | 2013 | Mar-May | Erie | two at Presque Isle State Park 3/16-26 (Mike Weible, Drew Mortensen, Jerry McWilliams, doc submitted). |
| Black-headed Gull | 2013-2014 | Dec-Feb | Philadelphia | one first cycle bird at the Columbus Trash Transfer Station 1/17 (Todd Fellenbaum, Martin Dellwo, George Armistead, doc submitted). |
| Black-headed Gull | 2014 | Mar-May | Lancaster | one on the Susquehanna River 4/2 (Mike Epler, Lisa Black, no doc) and one at Wissler Run Park 3/15 (Tom Raub, no doc) |
| Black-headed Gull | 2014 | Mar-May | Mercer | one at Shenango Wildlife Area 4/19 (Jeff Brinker, no doc). |
| Black-headed Gull | 2014 | Mar-May | Dauphin | at Marysville 3/17 (Ramsay Koury) to 4/7 (m.ob., no doc), and one at West Fairview 4/2 (Vern Gauthier, no doc) |
| Black-headed Gull | 2014-2015 | Dec-Feb | Butler | adult at the South Shore Day Use area of Moraine State Park 12/23-26 (Deb Darney) |
| Black-headed Gull | 2014-2015 | Dec-Feb | York | adult on the Susquehanna R. 1/23-25(Mike Epler, m.ob.). |
| Black-headed Gull | 2014-2015 | Dec-Feb | Lancaster | adult on the Susquehanna R. 1/23-25(Mike Epler, m.ob.). |
| Black-headed Gull | 2015 | Mar-May | Lancaster | one on the Susquehanna River 4/11 (Mike Epler, no doc). |
| Black-headed Gull | 2015 | Mar-May | Dauphin | one at Marysville 3/27-4/10 (Ted Nichols, Vern Gauthier, no doc) |
| Black-headed Gull | 2015-2016 | Dec-Feb | Butler | one returned to the same location at South Shore where seen for the last several years (Debbie Darney, m.ob.). |
| Black-headed Gull | 2016 | Aug-Nov | Butler | one at Moraine SP South Shore 11/27 into Dec (Shirley Mutz, Kathy Saunders, Becky Smith, doc previously submitted) providing seventh Butler record, all from this location. |
| Black-headed Gull | 2016-2017 | Dec-Feb | Philadelphia | One at John Heinz 12/25-2/28 (Victoria Sindlinger, m.ob.). |
| Black-headed Gull | 2016-2017 | Dec-Feb | Bucks | One at Falls Community Park 12/28 (Chris Latuma) |
| Black-headed Gull | 2016-2017 | Dec-Feb | Butler | One at Lake Arthur until 12/10, likely a returning individual from previous years (Geoff Malosh, m.ob.) |
| Black-headed Gull | 2016-2017 | Dec-Feb | Delaware | One at John Heinz 12/25-2/28 (Victoria Sindlinger, m.ob.). |
| Black-headed Gull | 2017 | Aug-Nov | Bucks | one at the Morrisville Levee 11/4 (Armas Hill, doc submitted) |
| Black-headed Gull | 2017 | Mar-May | Philadelphia | continued from the winter, last seen at John Heinz NWR 4/19 (Frank Windfelder). |
| Black-headed Gull | 2017 | Mar-May | Bucks | one at Lower Makefield Twp. 4/7-8 (Mark Gallagher, ph., Steve Schmit, Richard Smith, Vicky Smith,Michael Schall) |
| Black-headed Gull | 2017 | Aug-Nov | Philadelphia | one adult at John Heinz N.W.R. 11/17 through the period (BullMichalski, Elizabeth Porter, Geoff Veith, no doc). |
| Black-headed Gull | 2017 | Aug-Nov | Butler | one adult returned to the South Shore at Moraine SP 11/12 (Mark Vass) for the seventhtime in the past ten years (doc submitted) |
| Black-headed Gull | 2017 | Mar-May | Delaware | continued from the winter, last seen at John Heinz NWR 3/30 (Jim McConnell) |
| Black-headed Gull | 2017-2018 | Dec-Feb | Delaware | adult at John Heinz NWR through 2/17, in same location as immature the previous winter. |
| Black-headed Gull | 2017-2018 | Dec-Feb | Butler | one returned to Moraine SP for 7th of 10 years, 11/12-12/11 (m.ob., doc submitted) |
| Black-headed Gull | 2017-2018 | Dec-Feb | Philadelphia | adult at John Heinz NWR through 2/17, in same location as immature the previous winter. |
| Black-headed Gull | 2018 | Aug-Nov | Bucks | one north of Washington Crossing Historic Park at David Library 11/12 (ph. Seth Ausubel, doc submitted) |
| Black-headed Gull | 2018 | Aug-Nov | Philadelphia | one returned again to John Heinz N.W.R. 11/11 (m.ob., doc submitted). |
| Black-headed Gull | 2018 | Mar-May | Delaware | one at John Heinz NWR 3/9 (Jim McConnell, no doc) |
| Black-headed Gull | 2018 | Mar-May | Warren | one at Hatch Patch 4/18 (John Fedak, no doc). |
| Black-headed Gull | 2018-2019 | Dec-Feb | Delaware | one strayed into the Delaware part of John Heinz NWR 12/4 (Al Guarente), 12/24 (Neil Heinekamp) and 1/9 (Jason Horn) |
| Black-headed Gull | 2018-2019 | Dec-Feb | Philadelphia | one at John Heinz NWR to 1/8 (m.ob.). |
| Black-headed Gull | 2019 | Mar-May | Bucks | one at Penn-Warner Tract 4/6-7 (Devich Farbotnik, no doc) |
| Black-headed Gull | 2019 | Mar-May | Dauphin | one on Susquehanna River at West Fairview 3/31 (Steve Schmit, no doc). |
| Black-headed Gull | 2019 | Aug-Nov | Bucks | one at the Penn-Warner Tract 11/24 (Devich Farbotnik, no doc). |
| Black-headed Gull | 2019-2020 | Dec-Feb | Bucks | one seen twice in Penn-Warner Tract assumed to be continuing from fall |
| Black-headed Gull | 2019-2020 | Dec-Feb | Butler | one at Lake Arthur 12/8-14 (Glenn Koppel, Mary Alice Koeneke, Brendyn Baptiste, Martin Carlin). |
| Black-headed Gull | 2020 | Mar-May | Bucks | one at Penn-Warner Tract/Morrisville area 3/8-16 and 4/16, possibly same bird (m.ob.), no doc |
| Black-headed Gull | 2020 | Mar-May | Dauphin | one in Millersburg 3/27 (Scott Bills, Stephanie Bills), no doc, one on Susquehanna R. at Heritage Park 3/20 (Steve Schmit), no doc |
| Black-headed Gull | 2020 | Mar-May | Philadelphia | one at Pennypack on the Delaware 3/30 (George Armistead), doc submitted. |
| Black-headed Gull | 2020-2021 | Dec-Feb | Erie | adult off west pier 1/22 (Jerry McWilliams, Jennifer Ferrick) (doc submitted). |
| Black-headed Gull | 2022 | Mar-May | Dauphin | one at Tourist Park Boat Landing 3/25 (Stephanie Bills, Scott Bills) |
| Black-headed Gull | 2022 | Mar-May | Mercer | one at Maurice Goddard SP 4/3-6 (Shannon Thompson, m.ob.), second county record. |
| Black-headed Gull | 2023 | Mar-May | Bucks | one at the Penn-Warner Tract 4/5-9 (Devich Farbotnik, Dawn Denner), doc submitted |
| Black-headed Gull | 2023 | Mar-May | Dauphin | one at the Millersburg Ferry Wall 3/17 (Scott Bills), doc submitted. |
| Black-headed Gull | 2023-2024 | Nov-Feb | Bucks | one at Nockamixon SP 12/5 (Andrew Harrington) and one along the Delaware R. in Morrisville 12/23 (Jason Horn, Matthew Sabatine). |
| Black-headed Gull | 2024 | Mar-May | Dauphin | one on the Susquehanna R at Heritage Park 3/11 (m.ob.), doc submitted |
| Black-headed Gull | 2024 | Mar-May | Lancaster | one at the Conejohela Flats 5/13 (Meredith Lombard), doc submitted. |
| Black-headed x Ring-billed Gull | 2013-2014 | Dec-Feb | Philadelphia | one at the Delaware River Trail 1/12 for the second year in a row (ph. George Armistead). |
| Black-legged Kittiwake | 1992 | Oct-Dec | Delaware | 1 at Marcus Hook 12/11 (Bob Schutsky) |
| Black-legged Kittiwake | 1993 | Oct-Dec | Montour | 1 at the PP&L Montour Power Plant fly-ash basin 11/3-7. See report elsewhere for details |
| Black-legged Kittiwake | 1996 | Oct-Dec | Lancaster | 1 on 11/30 at Washington Boro (Eric Witmer) |
| Black-legged Kittiwake | 1997 | Oct-Dec | Lancaster | 1 on 11/8 at Peach Bottom (Bob Schutsky, Randy Miller) |
| Black-legged Kittiwake | 1997 | Oct-Dec | Erie | 1 on 11/20 at Presque Isle SP (Jerry McWilliams) |
| Black-legged Kittiwake | 1997 | Oct-Dec | Montour | 1 on 9/4-7 at Montour Preserve (John Fedak) |
| Black-legged Kittiwake | 1999 | Jan-Mar | Beaver | 1 on 12/14 at Montgomery Dam on the Ohio River was probably a 1st county record (Scott Kinzey) |
| Black-legged Kittiwake | 1999 | Jan-Mar | Lancaster | 1 on 12/19 at Peach Bottom (Bob Schutsky) |
| Black-legged Kittiwake | 2001 | Apr-Jun | Bedford | 1 on 4/8 at Shawnee State Park (Jason & Karen Barnhart) |
| Black-legged Kittiwake | 2005-2006 | Dec-Feb | Erie | one imm that flew past Sunset Point 12/3 (Jerry McWilliams) |
| Black-legged Kittiwake | 2007 | Aug-Nov | Erie | one flying west past Sunset Point, Presque Isle State Park, 10/18 (Jerry McWilliams, under PORC review). |
| Black-legged Kittiwake | 2010 | Aug-Nov | Indiana | one at Yellow Creek State Park 11/4 (Justin Bosler, doc submitted). |
| Black-legged Kittiwake | 2012 | Aug-Nov | Dauphin | one at Marysville 10/30 (Doug Gochfeld, Tom Johnson, Cameron Rutt, et al., doc submitted). |
| Black-legged Kittiwake | 2012 | Aug-Nov | Bedford | one at Shawnee State Park 10/30 (Mike Lanzone, Jeff Payne, Tom Dick, no doc) |
| Black-legged Kittiwake | 2012 | Aug-Nov | Clarion | one at Kahle Lake 10/30 (Jerry Stanley, Russ States, Gary Edwards no doc) |
| Black-legged Kittiwake | 2012 | Aug-Nov | Venango | one at Kahle Lake 10/30 (Jerry Stanley, Russ States, Gary Edwards no doc) |
| Black-legged Kittiwake | 2013 | Mar-May | Erie | one first cycle bird at Presque Isle State Park 3/24 (Mike Weible, ph. Geoff Malosh, doc submitted) represented the first spring record for Erie and just the second spring record for Pennsylvania. |
| Black-legged Kittiwake | 2013 | Aug-Nov | Erie | singles passed Sunset Point11/7, 11/19, and 11/28 (Jerry McWilliams, doc submitted), and one at the foot of East Ave. in Erie 11/27 (Bob Grubbs, doc submitted). |
| Black-legged Kittiwake | 2020 | Aug-Nov | Erie | one immature at Sunset Point 10/27 (Jerry McWilliams, doc submitted) and one in Presque Isle Bay 11/16 (Matthew Sabatine) and 11/18 (Zach Millen) (doc submitted). |
| Black-legged Kittiwake | 2020-2021 | Dec-Feb | Centre | juvenile at Bald Eagle SP 12/13-14 (Jordon Hillsley) (doc submitted) |
| Black-legged Kittiwake | 2020-2021 | Dec-Feb | Erie | immature at Sunset Point 12/2 (Jerry McWilliams) and one was being eaten by Peregrine Falcon next day (Connor Vara) (doc submitted). |
| Black-legged Kittiwake | 2021 | Aug-Nov | Franklin | one juvenile at Kriner Road Retention Ponds 9/5-6 (Chris Blazo, m.ob., doc submitted). |
| Black-legged Kittiwake | 2022 | Mar-May | Dauphin | first winter bird on Susquehanna R. at the H.C. Shrauder Park Access 3/19 (Steve Schmidt). |
| Black-legged Kittiwake | 2023 | Mar-May | Erie | one at Presque Isle State Park 5/5 (Tim Lenz), doc submitted. |
| Black-legged Kittiwake | 2023-2024 | Nov-Feb | Chester | one at Marsh Creek SP 12/22 (Aaron Coolman) (doc submitted). |
| Black-necked Stilt | 1993 | Apr-Jun | Philadelphia | 1 on 5/8 at the Philadelphia Sewage Ponds (Robert Ridgely, Chris Walters, et al) |
| Black-necked Stilt | 1994 | Apr-Jun | York | 2 on Brunners I. 5/12 (Al Spiese) |
| Black-necked Stilt | 1995 | Apr-Jun | Lancaster | 1 on 5/16 on a pond near stop three at Middlecreek WMA (Harold Morrin, George Stine) |
| Black-necked Stilt | 1996 | Jul-Sep | York | 1 on 7/11 at Lake Redman (Al Spiese) |
| Black-necked Stilt | 2005 | Mar-May | Berks | one photographed at a farm pond on Old Topton Rd. near Maxatawny 5/22. three were there 5/23 (Bruce Williams) |
| Black-necked Stilt | 2006 | Mar-May | Lancaster | 2 at the Conejohela Flats 5/27 were photographed (Tom Raub). |
| Black-necked Stilt | 2007 | Mar-May | Lehigh | one feeding in a pond off Rt. 100 near Fogelsville 5/13 (Drew Weber). The bird remained until at least 5/21 and was seen and photographed by many second county record (Pa Birds Listserv). |
| Black-necked Stilt | 2009 | Jun-Jul | Lancaster | Two at Susquehanna R., Conejohela Flats 6/10 (Chuck Chalfant, m.ob., doc submitted). |
| Black-necked Stilt | 2009 | Jun-Jul | Lancaster | one at the Conejohela Flats 6/10 (Chuck Chalfant, doc submitted) |
| Black-necked Stilt | 2009 | Mar-May | Lebanon | one along Mount Pleasant Road 5/15 (Ramsay Koury) where it remained until 5/18 (Chuck Berthoud, m.ob., doc submitted). |
| Black-necked Stilt | 2011 | Aug-Nov | Lancaster | one at the Conejohela Flats 9/7 (Tim Becker, doc submitted). |
| Black-necked Stilt | 2012 | Mar-May | Lancaster | one at the Conewago Trail Wetlands 5/22 (Mike Epler, Chuck Chalfant, Gordon Dimmig, Meredith Lombard, doc submitted). |
| Black-necked Stilt | 2013 | Jun-Jul | Berks | one at the pond in Shartlesville 7/19-21 (ph. Matt Wlasniewski, m.ob., doc submitted) |
| Black-necked Stilt | 2015 | Mar-May | York | one at Lake Redman 3/26 (Dick Cleary, doc submitted). |
| Black-necked Stilt | 2016 | Aug-Nov | Delaware | one at Springton Res. 11/29 (Al Guarente, ph. Nick Pulcinella, doc submitted) |
| Black-necked Stilt | 2016 | Aug-Nov | Montgomery | one at Green Lane Park 11/2-28 (Scott Godshall, doc submitted). |
| Black-necked Stilt | 2017 | Mar-May | Lancaster | one in flight near Norman WoodBridge 4/28 (Meredith Lombard, Jeff Musser, doc submitted), sixth county record. |
| Black-necked Stilt | 2018 | Mar-May | Bucks | one at Penn-Warner Tract 5/12 (Devich Farbotnik, no doc), 2nd county record. |
| Black-necked Stilt | 2021 | Aug-Nov | Crawford | one at Miller Ponds 8/16-20 (Tomas Nonnenmacher, m.ob., doc submitted) |
| Black-necked Stilt | 2021 | Mar-May | Bucks | 2 at Penn-Warner Tract 5/16 (Devich Farbotnik), photos in ebird |
| Black-necked Stilt | 2021 | Mar-May | Butler | one at SGL 95 on Calico Road 5/2 (Corey Bellis, m.ob.), photos in ebird, first county record |
| Black-necked Stilt | 2021 | Aug-Nov | Mercer | one at Shenango propagation area 8/12 (Jim Mondok, doc submitted). |
| Black-necked Stilt | 2021 | Mar-May | Dauphin | one at Wildwood Lake 5/18 (m. ob.), photos in ebird |
| Black-necked Stilt | 2021 | Mar-May | Lawrence | one at Shaner Road Marsh 4/30 (Ashley Harold, photo in ebird), first county record. |
| Black-tailed Gull | 2000 | Jan-Mar | Berks | 1 on 1/2 at Lake Ontelaunee would be a fisrt state record if accepted by PORC (Peter Saenger) |
| Black-tailed Gull | 2004-2005 | Dec-Feb | Bucks | a possible 2nd winter bird at Falls Twp. Park DATE (Alan Brady). No Desc |
| Black-throated Blue Warbler | 1998 | Jan-Mar | Bedford | 2 on 3/26 at Beldon were early (Rosie McGinnett) |
| Black-throated Blue Warbler | 2000 | Jan-Mar | Chester | 1 on 2/25 at Atglen (Mona Schutsky) |
| Black-throated Blue Warbler | 2002 | Jan-Mar | Berks | 1 from 1/19-3/31 at a Birdsboro feeding (S. Meitzel, D. Terry) |
| Black-throated Blue Warbler | 2004-2005 | Dec-Feb | Centre | a male on the Curtin CBC 12/29 at Myo Park in Millersburg (Ramsay Koury, Richard Williams) |
| Black-throated Blue Warbler | 2006-2007 | Dec-Feb | Philadelphia | One in Pennypack Park for the CBC 12/16 (Bill Jelek). |
| Black-throated Blue Warbler | 2010-2011 | Dec-Feb | Lancaster | one at Wissler's run along the Susquehanna River 12/5 and 12/7 (Justin Bosler). |
| Black-throated Blue Warbler | 2012-2013 | Dec-Feb | Cumberland | female in Upper Allen Twp. 1/1-3 (Janet Bragh). |
| Black-throated Blue Warbler | 2018-2019 | Dec-Feb | Delaware | one continuing at a Springfield feeder to at least 1/21 (John Zygmunt) |
| Black-throated Blue Warbler | 2018-2019 | Dec-Feb | Montgomery | male at Tylersport 12/8 (Zach Richard). |
| Black-throated Blue Warbler | 2021-2022 | Dec-Feb | Erie | male at a feeder 1/14-25 (Katie Andersen), a first winter county record |
| Black-throated Blue Warbler | 2021-2022 | Dec-Feb | Philadelphia | one at Temple Univ. 12/5 (Maria Pacheco). |
| Black-throated Blue Warbler | 2023-2024 | Nov-Feb | Allegheny | A female/immature at the Carnegie Mellon University Campus 12/10 (Ted Floyd) |
| Black-throated Blue Warbler | 2023-2024 | Nov-Feb | Philadelphia | one at NE WTP 1/4-7 (Martin Dellwo). |
| Black-throated Gray Warbler | 1912 | Mar-May | Wyoming | 5/10/1912 in Wyoming |
| Black-throated Gray Warbler | 1966 | Aug-Nov | Luzerne | 9/9/1966 in Luzerne |
| Black-throated Gray Warbler | 1972 | Aug-Nov | Centre | 9/28/1972 Centre |
| Black-throated Gray Warbler | 1972 | Dec-Feb | Delaware | 11/27-12/13/1972 Delaware |
| Black-throated Gray Warbler | 1972 | Aug-Nov | Lehigh | 9/20/1972 Lehigh |
| Black-throated Gray Warbler | 1973 | Dec-Feb | Montgomery | One found dead 1/15/1973 Montgomery |
| Black-throated Gray Warbler | 1974 | Aug-Nov | Centre | 8/10/1974 at State College, Centre |
| Black-throated Gray Warbler | 1988 | Aug-Nov | Columbia | 9/18/1988 at Berwick, Columbia |
| Black-throated Gray Warbler | 1996 | Jul-Sep | Berks | Although this bird appeared in Bern Twp.in late Nov or early Dec, the word did not get out to birders until January. This is the 9th record for the state. There will be more details on this sighting in the next issue |
| Black-throated Gray Warbler | 1997 | Jan-Mar | Berks | The bird from the previous quarter remained until 2/13 |
| Black-throated Gray Warbler | 1998 | Jan-Mar | York | 1 on 12/1 at Codorus State Park (Dan & Lori Heathcote)(no details) |
| Black-throated Gray Warbler | 2001 | Jul-Sep | Erie | 1 adult on 9/8 at Presque Isle (Ben Coulter, Rick Fridell, v. obs.) |
| Black-throated Gray Warbler | 2009 | Aug-Nov | Cumberland | one male at Big Spring just south of Newville 10/20-25 (Vern Gauthier, doc submitted). |
| Black-throated Gray Warbler | 2018 | Aug-Nov | Lancaster | one at Noel Dorwart Park 10/13 through the period (ph. Seth McComsey, m.ob., doc submitted). |
| Black-throated Gray Warbler | 2018-2019 | Dec-Feb | Adams | female on 12/23 (Anon.) |
| Black-throated Gray Warbler | 2018-2019 | Dec-Feb | Centre | one at Centre Furnace Pond 12/12-20 (Jen Lee, Carrington Stephenson ph, m.ob.), seen for State College CBC, doc submitted |
| Black-throated Gray Warbler | 2018-2019 | Dec-Feb | Lancaster | one continuing from fall at Noel Dorwart Park, rediscovered 12/21-1/6 (m.ob.) and seen for Lancaster CBC, doc submitted. |
| Black-throated Gray Warbler | 2019 | Aug-Nov | Lebanon | one seen irregularly at a private residence on Clear Springs Road 9/26-11/17 (Emily Felty, Justin Felty, Nate Felty, m.ob., doc submitted). |
| Black-throated Gray Warbler | 2019-2020 | Dec-Feb | Lebanon | continuing bird at Clear Springs Rd home throughout period (Emily, Justin, and Nate Felty, doc submitted) |
| Black-throated Gray Warbler | 2019-2020 | Dec-Feb | Northampton | one near Easton 1/9 (Arlene Koch, Jason Horn, doc submitted). |
| Black-throated Gray Warbler | 2020 | Aug-Nov | Philadelphia | one at Franklin Delano Roosevelt Park 10/20 (John Smallwood, doc submitted). |
| Black-throated Gray Warbler | 2020 | Aug-Nov | McKean | one at Marilla Reservoir 11/2 (Tessa Rhinehart, eBird, doc submitted) |
| Black-throated Gray Warbler | 2020 | Aug-Nov | Fulton | one in McConnellsburg 11/4 (ph. Tracy Mosebey, doc submitted) |
| Black-throated Gray Warbler | 2020 | Aug-Nov | Lebanon | one returned to a home on Clear Springs Road for the second fall in a row, present 9/15-26 (Nate Felty, Justn Felty, et al.) and was there again 11/5-9 (Justin Felty, Ross Gallardy) (doc submitted) |
| Black-throated Gray Warbler | 2020 | Mar-May | Lebanon | the bird that wintered at residence off Clear Springs Rd. remained to 3/26 (Justin Felty, Nate Felty, Brandon Brown, Brian Brown, Jonathan DeBalko, John Leskosky, et al.), doc previously submitted. |
| Black-throated Gray Warbler | 2020-2021 | Dec-Feb | Lebanon | one continued from fall along Clear Springs Rd, the second winter for one at the same location, seen 1/7-2/14 (doc submitted). |
| Black-throated Gray Warbler | 2022 | Aug-Nov | Chester | one at Wilson Farm Park 9/13 (Liz Pettet, doc submitted). |
| Black-throated Green Warbler | 2002-2003 | Dec-Feb | Bucks | 1 from 12/14-12/22 at the Penn-Warner Tract (Rick Mellon). This is a new late date for the county |
| Black-throated Green Warbler | 2012-2013 | Dec-Feb | Philadelphia | one at Tinicum 12/11-15 (Jim McConnell, Doris McGovern, Noel Kelley). |
| Black-throated Green Warbler | 2013-2014 | Dec-Feb | Chester | one at Longwood Gardens 12/11 (ph. Kristen Gardner). |
| Black-throated Green Warbler | 2020-2021 | Dec-Feb | Philadelphia | one at Science Education and Research Center 12/7 (Maria Pacheco). |
| Black-throated Green Warbler | 2021-2022 | Dec-Feb | Lebanon | one at Swatara SP 12/16 (Ted Keen) |
| Black-throated Green Warbler | 2021-2022 | Dec-Feb | Philadelphia | one along Schuylkill R. 12/25-26 (Joel Rurik, Martin Dellwo). |
| Black-throated Green X Cape May Warbler | 2018 | Mar-May | Allegheny | one photographed in Plum Borough (Amy Henrici). |
| Blackburnian Warbler | 1993 | Oct-Dec | Berks | Last seen 10/9 at Hawk Mountain (C. Viverette) |
| Blackburnian Warbler | 1993 | Oct-Dec | Dauphin | Last seen 10/10 at Blue Mt. (M. McConaughy) |
| Blackburnian Warbler | 1993 | Oct-Dec | York | last seen 10/3 |
| Blackburnian Warbler | 1994 | Oct-Dec | Berks | 1 on 10/5 at Hawk Mt |
| Blackburnian Warbler | 1994 | Oct-Dec | Dauphin | 1 on 10/16 at Blue Mt. (Mark McConaughy) |
| Blackburnian Warbler | 1994 | Oct-Dec | Lancaster | 1 on 10/1 at Middle Creek WMA (Pamela Woodman) |
| Blackburnian Warbler | 1998 | Oct-Dec | Carbon | 1 on 10/3 at Beltzville Lake (Bob Frantz) |
| Blackburnian Warbler | 1998 | Oct-Dec | Dauphin | seen up to 10/11 (Grace Randolph) |
| Blackburnian Warbler | 1998 | Oct-Dec | Schuylkill | Present up to 10/4 at Locust Lake State Park (Dave Kruel) |
| Blackburnian Warbler | 2000 | Oct-Dec | Berks | Last seen on 10/7 at Hawk Mountain Sanctuary (David Barber) |
| Blackburnian Warbler | 2000 | Oct-Dec | Potter | 1 on 10/30 |
| Blackburnian Warbler | 2000 | Oct-Dec | Schuylkill | Present up to 10/7 at Hawk Mountain Sanctuary (Doug Wood) |
| Blackburnian Warbler | 2000 | Oct-Dec | Tioga | Present up to 10/2 at Mansfield (Ben Israel) |
| Blackburnian Warbler | 2000 | Oct-Dec | Somerset | 1 on 10/2 at Berlin (Jeff Payne) |
| Blackburnian Warbler | 2001 | Oct-Dec | Schuylkill | 1 on 10/3 at Hawk Mountain Sanctuary (Eric Hynes) |
| Blackburnian Warbler | 2001 | Oct-Dec | Berks | 1 on 10/3 at Hawk Mountain Sanctuary (Eric Hynes) |
| Blackburnian Warbler | 2001 | Oct-Dec | Bucks | 1 on 10/11 at Nockamixon State Park (Bill Etter) |
| Blackburnian Warbler | 2007-2008 | Dec-Feb | Lancaster | One at the Lancaster Area Sewage Plant found 12/23 and re-located on 1/1, 1/19 (photographed), and finally seen last on 2/10 prior to an ice storm (Jason Horn, Eric Witmer). |
| Blackpoll Warbler | 1992 | Oct-Dec | Philadelphia | 1 at Franklin Square 10/15 (Jack Siler) |
| Blackpoll Warbler | 1992 | Oct-Dec | Westmoreland | 3 at Powdermill Nature Reserve 10/4 (Bob Leberman, Bob Mulvihill) |
| Blackpoll Warbler | 1992 | Oct-Dec | Allegheny | 1 at Harrison Hills Park 10/18 (Paul Hess) |
| Blackpoll Warbler | 1992 | Oct-Dec | Bucks | 1 at New Hope 10/11 (Bill Hoehne) |
| Blackpoll Warbler | 1992 | Oct-Dec | Cumberland | 10 at Waggoners Gap 10/13 (Don & Robyn Henise) |
| Blackpoll Warbler | 1994 | Jul-Sep | Wyoming | 1st confirmed state breeding record (Doug Gross et al) |
| Blackpoll Warbler | 2002 | Jul | Wyoming | Found nesting in Coalbed Swamp (D. Gross) |
| Blackpoll Warbler | 2004 | Jun-Jul | Berks | identified at Hawk Mt. Sanctuary 6/23 by a visiting California birder (Catherine Waters). The previous late spring date was 6/13/1926 |
| Blackpoll Warbler | 2004 | Jun-Jul | Wyoming | confirmed breeding again at Coalbed Swamp (Doug Gross) |
| Blackpoll Warbler | 2008 | Jun-Jul | Indiana | A late migrant was singing near Shelocta 6/1 (Margaret Higbee, Roger Higbee). |
| Blackpoll Warbler | 2011-2012 | Dec-Feb | Philadelphia | one at Northeast Wastewater Treatment Plant 12/17 (Frank Windfelder). |
| Blackpoll Warbler | 2013 | Jun-Jul | Luzerne | 2 late migrants at Ricketts Glen 6/2 (Fairfax Hutter, eBird) and 2 territories, including one young being fed at Boulder Run Swamp 7/9 (Doug Gross) |
| Blackpoll Warbler | 2013 | Jun-Jul | Montgomery | late migrant 6/1 at Evansburg S.P. (Lynn Roman) |
| Blackpoll Warbler | 2013 | Jun-Jul | Monroe | a late migrant on a BBS route 6/9 (Corey Husic, eBird) |
| Blackpoll Warbler | 2013 | Jun-Jul | Wyoming | confirmed nesting in Red Brook Swamp, north of Coalbed Swamp 7/24 (Doug Gross). |
| Blackpoll Warbler | 2015 | Jun-Jul | Wyoming | at least 17 territories (an all-time high), 8 in Coalbed Swamp and 9 in Red Brook Swamp, both SGL 57, including a nest (Doug Gross, Eric Zawatski), the state's fourth blackpoll warbler nest found (Eric Zawatski). |
| Blackpoll Warbler | 2016 | Jun-Jul | Wyoming | 15 active territories in SGL 57 including 7 at Coalbed Swamp, 7 at Tamarack Swamp (Red Brook section), and 1 at Opossum Swamp (Doug Gross, pers. com. with Eric Zawatski). |
| Blackpoll Warbler | 2018 | Jun-Jul | Sullivan | 3 males in Tamarack Swamp where one carried food for young Doug Gross, pers. com.) |
| Blackpoll Warbler | 2018 | Jun-Jul | Wyoming | one territorial male in Coalbed Swamp (Doug Gross, pers. com.). |
| Blackpoll Warbler | 2018-2019 | Dec-Feb | Montgomery | apparently continuing from fall, at Heuser Park 12/9-10 (Steve Grunwald, Scott Stafford). |
| Blackpoll Warbler | 2022 | Jun-Jul | Berks | one at Boyertown Reservoir 6/1 (Dennis Miranda) |
| Blackpoll Warbler | 2022 | Jun-Jul | Butler | one at Burton Road, Moraine SP 6/1 (Deborah Kalbfleisch) |
| Blackpoll Warbler | 2022 | Jun-Jul | Crawford | 2 at Conneaut Marsh-McMichael Road 6/28 (Ron Leberman) |
| Blackpoll Warbler | 2022 | Jun-Jul | Erie | late migrants at Presque Isle 6/4 (KM Andersen, eBird) and 6/8 (Isabelle Brewer, eBird) and at Erie Ravine 6/1 (KM Andersen, eBird) |
| Blackpoll Warbler | 2022 | Jun-Jul | Monroe | one at Austin Blakelee Nature Area (John Connolly, eBird) |
| Blackpoll Warbler | 2022 | Jun-Jul | Pike | one at Pecks Pond 6/3 (Andrea Nale, eBird) |
| Blackpoll Warbler | 2022 | Jun-Jul | Wyoming | singing male in northern part of Coalbed Swamp 6/22 (Doug Gross) and 7/10 (Eric Zawatski). |
| Blue Grosbeak | 1994 | Jul-Sep | Berks | although not confirmed nesting, there were 3 separate sightings (v. obs.) |
| Blue Grosbeak | 1994 | Oct-Dec | Delaware | 3 on 10/2 at the Darlington Tract (Al Guarente) |
| Blue Grosbeak | 1994 | Jul-Sep | Bucks | confirmed nesting in Rushland, a 1st since 1989 |
| Blue Grosbeak | 1994 | Jul-Sep | Dauphin | 1 at Hershey Farms 7/16 (Mike McConaughgy) |
| Blue Grosbeak | 1996 | Oct-Dec | Delaware | 1 on 10/7 at Brandywine Museum (Al Guarente) |
| Blue Grosbeak | 2000 | Oct-Dec | Bucks | 1 on 10/21 at Buckinham Twp. (Devich Farbotnik) |
| Blue Grosbeak | 2003 | Aug-Nov | Chester | One 9/7 Struble Lake (L. Lewis) |
| Blue Grosbeak | 2003 | Jun-Jul | Bucks | It seems to remain a rare to occasional breeder with as many as three males on 6/14 at the Penn-Warner Tract (Devich Farbotnik), one pair starting to build on 6/17 at Blooming Glen and a pair at Peace Valley Park starting 6/21 (Cameron Rutt), all locations where they have nested before |
| Blue Grosbeak | 2003 | Jun-Jul | Delaware | Seen behind the Philadelphia International Airport on 7/13 delivering food, presumably to a young bird (John Miller) |
| Blue Grosbeak | 2003 | Jun-Jul | York | one 6/6 along Haughs Road (Jim Elliot) and two 6/17 along a bird survey route (Peter Robinson) |
| Blue Grosbeak | 2003 | Aug-Nov | Bucks | The pair at Peace Valley Park were last seen 8/16. A pair at Blooming Glen was last seen 8/25 and the pair at Buckingham Twp. Was last seen 9/5 (C. Rutt). Three males, one female, and a juvenile were at Warwick Twp. 8/5 |
| Blue Grosbeak | 2003 | Aug-Nov | Philadelphia | One 10/4 East Park Reservoir (M. Sharp) |
| Blue Grosbeak | 2003-2004 | Dec-Feb | Lancaster | one 1/7 near Holtwood (Jim Smith) |
| Blue Grosbeak | 2004 | Aug-Nov | Bucks | The only report came from their breeding site at The Penn-Warner Tract 8/1 (Devich Farbotnik) |
| Blue Grosbeak | 2004 | Aug-Nov | Northampton | One was seen sporadically from 8/14-9/23 in Williams Twp. (Arlene Koch) |
| Blue Grosbeak | 2004 | Aug-Nov | Berks | Three males were found at Blue Marsh L. 8/26 and three female/imm. birds were there 10/2 (Joan Silagy) |
| Blue Grosbeak | 2005 | Aug-Nov | Chester | an imm was at Bucktoe Creek Tract 10/24 (Joe Sebastiani) |
| Blue Grosbeak | 2005 | Aug-Nov | Dauphin | one was heard calling Susquehanna River from West Fairview 8/30 (Tom Johnson) |
| Blue Grosbeak | 2005 | Aug-Nov | Northampton | two that attempted nesting was last seen 8/7 (Dustin Welch) |
| Blue Grosbeak | 2005 | Aug-Nov | Berks | two adult males, an adult female and 2 juvs were seen at Blue Marsh Lake 8/20 (Rudy Keller, Joan Silagy); another female was seen at Blue Marsh Lake 10/2 (Joan Silagy) |
| Blue Grosbeak | 2005 | Aug-Nov | Bucks | twelve were at The Penn-Warner Tract 8/12 where they are regular (Devich Farbotnik) |
| Blue Grosbeak | 2005-2006 | Dec-Feb | Bucks | one at Springtown on the Bethlehem CBC 12/31 (Elaine Mease) |
| Blue Grosbeak | 2006 | Mar-May | Lancaster | one at Peach Bottom Village 5/11 (Bob Schutsky) |
| Blue Grosbeak | 2006 | Mar-May | Northampton | a pair seen mating in Williams Twp. 5/28 (Arlene Koch) |
| Blue Grosbeak | 2006 | Mar-May | Dauphin | one visited a feeder in Stony Creek Valley 5/31 and remained into June (Barb Huffman) |
| Blue Grosbeak | 2006 | Mar-May | Erie | one immature male at Presque Isle S.P. 5/18 (Rick Wiltraut) |
| Blue Grosbeak | 2006 | Mar-May | Philadelphia | one singing at Spring Lane 5/25 (Chuck Hetzel) |
| Blue Grosbeak | 2006 | Mar-May | Bucks | present 5/7 (Spring Table) |
| Blue Grosbeak | 2006 | Mar-May | Chester | 2 at White Clay Creek Preserve 5/21 (Chuck Chalfant) |
| Blue Grosbeak | 2006 | Mar-May | York | one at Spring Valley County Park 5/3 (John & Jean Prescott). |
| Blue Grosbeak | 2006 | Mar-May | Indiana | 2 on the PA Migration Count 5/13 (Bill Betts, David Coates) providing a 2nd county record |
| Blue Grosbeak | 2007 | Aug-Nov | Bucks | Local breeders remained in Buckingham Township to 9/3, and at the Penn-Warner Tract to 10/7. |
| Blue Grosbeak | 2007 | Mar-May | Bucks | one in Tinicum Twp. 4/23 (Kathleen Weidemoyer) one at Maple Knoll Farms in Buckingham Twp. 5/4-5/13 (Richard Smith Vicky Smith) Centreone near Coburn 5/27 (Andy Wilson) |
| Blue Grosbeak | 2007 | Mar-May | Chester | one at Longwood 5/12 (Larry Lewis) |
| Blue Grosbeak | 2007 | Mar-May | Lehigh | one near Fogelsville 5/15 (Tom Johnson). |
| Blue Grosbeak | 2008 | Aug-Nov | Bucks | one at Solebury Twp. 9/2 (Devich Farbotnik) |
| Blue Grosbeak | 2008 | Aug-Nov | Cumberland | 2 at SGL 169 on 9/1 (Andy Merkel, Vern Gauthier), and one at Craig Farm 9/13 (Mary Craig) |
| Blue Grosbeak | 2008 | Aug-Nov | Lebanon | one staying from the summer season at the Lebanon Valley Business Park to 8/8 (Randy Miller) |
| Blue Grosbeak | 2008 | Aug-Nov | Lehigh | pair with young in Whitehall Township 8/2 (Bob Hoopes) |
| Blue Grosbeak | 2008 | Aug-Nov | Philadelphia | one at John Heinz N.W.R. at Tinicum 9/11 (Todd Fellenbaum). |
| Blue Grosbeak | 2008 | Aug-Nov | Montgomery | one at Fort Washington S.P. 9/20 (Steve Kacir) |
| Blue Grosbeak | 2008 | Aug-Nov | Northampton | one first year male at Williams Township 10/14 (Arlene Koch) |
| Blue Grosbeak | 2009 | Aug-Nov | Lebanon | Fall season |
| Blue Grosbeak | 2009 | Aug-Nov | Bucks | Fall season |
| Blue Grosbeak | 2009 | Aug-Nov | Chester | Fall season |
| Blue Grosbeak | 2009 | Aug-Nov | Lehigh | Fall season |
| Blue Grosbeak | 2009 | Aug-Nov | Cumberland | Fall season |
| Blue Grosbeak | 2009 | Aug-Nov | Northampton | Fall season |
| Blue Grosbeak | 2009 | Aug-Nov | Philadelphia | Fall season |
| Blue Grosbeak | 2014 | Mar-May | Chester | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Adams | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Bucks | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Centre | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Dauphin | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Lancaster | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Lebanon | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Mifflin | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Montgomery | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Philadelphia | See Local Notes |
| Blue Grosbeak | 2014 | Mar-May | Cumberland | See Local Notes |
| Blue Grosbeak | 2017 | Mar-May | Montgomery | one at Trewellyn Park 4/30(Matt Jewell, Christopher Ibsen), present at Valley Forge National Historical Park 5/8 (Mary Ellen Heisey), the John James AudubonCenter at Mill Grove 5/14 (Mirko Schoenitz), and SGL 234 inLinfield 5/21 (Paul Driver) |
| Blue Grosbeak | 2017 | Mar-May | Philadelphia | one at John Heinz NWR at Tinicum 5/7 (George Armistead) and one at Schuylkill Center for Environmental Education 5/19 (Patrick McGill). |
| Blue Grosbeak | 2017 | Mar-May | Cumberland | reported regularly north of Newville |
| Blue Grosbeak | 2017 | Mar-May | Dauphin | one at Fort Indiantown Gap 5/26 (Ian Gardner), one at Fulling Mill BoatLaunch 5/26 (Deuane Hoffman) |
| Blue Grosbeak | 2017 | Mar-May | Delaware | one at Ridley Creek SP5/17 (Jim McConnell) and one at Big Bend Farm 5/21 (SharonPulcinella) |
| Blue Grosbeak | 2017 | Mar-May | Franklin | 2 at Little Cove 5/29 (Bill Oyler) |
| Blue Grosbeak | 2017 | Mar-May | Lebanon | one at Fort Indiantown Gap 5/19 (Ian Gardner), one at SGL 145 on 5/20 (Jonathan Heller) |
| Blue Grosbeak | 2017 | Mar-May | Bucks | first reported at the Penn-Warner Tract 5/5(Devich Farbotnik) and Maple Knoll Farms 5/14 (Richard Smith) |
| Blue Grosbeak | 2017-2018 | Dec-Feb | Lancaster | one immature at Chestnut Grove Natural Area 1/6-22 (Josh Schulz, m.ob.). |
| Blue Grosbeak | 2020-2021 | Dec-Feb | Philadelphia | one at Lardner's Point Park 12/19 (Patrick McGill), first winter county record. |
| Blue-gray Gnatcatcher | 1993 | Jan-Mar | Lancaster | 1 at Washington Boro 1/2 (Jonathan Heller et al) |
| Blue-gray Gnatcatcher | 1993 | Oct-Dec | Berks | 1 at District Twp.10/5 (Rudy Keller) |
| Blue-gray Gnatcatcher | 1993 | Jan-Mar | Bucks | 1 at Peace Valley 10/3 (A. Mirabella) and 1 on the S. Bucks CBC 12/18 |
| Blue-gray Gnatcatcher | 1993 | Oct-Dec | Dauphin | 1 at Blue Mt. 10/16 (Mark McConaughy) |
| Blue-gray Gnatcatcher | 1993 | Jan-Mar | Lancaster | 1 up to 12/29 at Washington Boro (J. Heller, H. Morrin) |
| Blue-gray Gnatcatcher | 1995 | Jan-Mar | Berks | 1 lingered to 1/2 at L. Ontelaunee (Matt Spence, Matt Wlasnieski) |
| Blue-gray Gnatcatcher | 1995 | Jan-Mar | Lancaster | 1 on 12/10 at Washington Boro (Eric Witmer) |
| Blue-gray Gnatcatcher | 1995 | Oct-Dec | Somerset | Present part of the quarter (no date or location —eds.) (John Tilley) |
| Blue-gray Gnatcatcher | 1995 | Oct-Dec | Warren | 1 on 11/25 at Buckaloons (Chase Putnam) |
| Blue-gray Gnatcatcher | 1995 | Oct-Dec | York | Present up to 10/1 (Al Spiese) |
| Blue-gray Gnatcatcher | 1996 | Oct-Dec | Venango | present up to 10/18 |
| Blue-gray Gnatcatcher | 1996 | Jan-Mar | Chester | 1 on 3/31 at Willistown Twp.(Tony Fernandez) |
| Blue-gray Gnatcatcher | 1996 | Oct-Dec | Huntingdon | present up to 10/6 at Detweiler's Run (Dave Kyler) |
| Blue-gray Gnatcatcher | 1996 | Oct-Dec | Westmoreland | present up to 10/2 at Twin Lakes Park (Dennis Smeltzer) |
| Blue-gray Gnatcatcher | 1997 | Jan-Mar | Philadelphia | 1 present til 1/3 at Tinicum (John Miller, Ed Fingerhood, Ryn Agnew, Doris McGovern) |
| Blue-gray Gnatcatcher | 1997 | Oct-Dec | Luzerne | Present til the first week of October |
| Blue-gray Gnatcatcher | 1998 | Jan-Mar | Fulton | 1 on 3/31 at Redbud Natural Area was early (Dan Snell) |
| Blue-gray Gnatcatcher | 1998 | Jan-Mar | Lebanon | 1 on 3/29 at SGL 145 was early (Randy Miller) |
| Blue-gray Gnatcatcher | 1998 | Jan-Mar | Westmoreland | 1 on 3/31 at Powdermill Nature Reserve (Bob Leberman, Bob Mulvihill) |
| Blue-gray Gnatcatcher | 1999 | Jan-Mar | Lancaster | 1 on 1/22 at Rapho Twp. (Randy Miller) |
| Blue-gray Gnatcatcher | 1999 | Oct-Dec | Bucks | Present up to 10/16 at Peace Valley Park (Devich Farbotnik) |
| Blue-gray Gnatcatcher | 1999 | Oct-Dec | Franklin | 1 on 10/29 at Hykes Rd (Bob Keener) |
| Blue-gray Gnatcatcher | 1999 | Oct-Dec | Lebanon | 1 on 10/10 (late) at Memorial Lake SP (Randy Miller, Rosemary Spreha) |
| Blue-gray Gnatcatcher | 2000 | Jan-Mar | Lancaster | Present up to 12/23 at Washington Boro (Jonathon Heller) |
| Blue-gray Gnatcatcher | 2000 | Jan-Mar | Philadelphia | Present up to 12/16 at Tinicum (m. obs.) |
| Blue-gray Gnatcatcher | 2001 | Jan-Mar | Pike | 2 at PEEC from 3/27 through the end of the quarter (Patrick Scheuer) |
| Blue-gray Gnatcatcher | 2001 | Oct-Dec | Bucks | 1 on 10/1 at Peace Valley Park (Ken Kitson) |
| Blue-gray Gnatcatcher | 2001 | Jan-Mar | Delaware | 1 on 12/17 at Tinicum (John Miller) |
| Blue-gray Gnatcatcher | 2002 | Jan-Mar | Lebanon | 1 from 3/17. This is an early date for the county |
| Blue-gray Gnatcatcher | 2003-2004 | Dec-Feb | Delaware | one 12/20 behind the Philadelphia Int'l Airport(Al Guarente) |
| Blue-gray Gnatcatcher | 2004-2005 | Dec-Feb | Bucks | one was at the Penn Warner Tract 11/26 (Paul Lehman) and relocated 12/18 (Devich Farbotnik) |
| Blue-gray Gnatcatcher | 2004-2005 | Dec-Feb | Northampton | one was around until 12/2 at Monacacy Nature Center (Linda Freedman) |
| Blue-gray Gnatcatcher | 2005-2006 | Dec-Feb | Bucks | one reported on the Southern Bucks CBC at The Penn-Warner Tract 12/17 (Rick Mellon) |
| Blue-gray Gnatcatcher | 2005-2006 | Dec-Feb | Northampton | a pair were found in Freemansburg 12/31 |
| Blue-gray Gnatcatcher | 2005-2006 | Dec-Feb | York | one near Wrightsville 12/10 was very late (John & Jean Prescott) |
| Blue-gray Gnatcatcher | 2006-2007 | Dec-Feb | Lancaster | One remained in Washington Boro until the Lancaster CBC 12/30. |
| Blue-gray Gnatcatcher | 2007-2008 | Dec-Feb | Bucks | One at Nockamixon SP, 12/12 (Bill Etter). |
| Blue-gray Gnatcatcher | 2009-2010 | Dec-Feb | Bucks | one at Penn-Warner Tract 12/6 (Devich Farbotnik). |
| Blue-gray Gnatcatcher | 2011-2012 | Dec-Feb | Cumberland | 2 at Green Ridge retirement community 1/2 (Carol Cash). |
| Blue-gray Gnatcatcher | 2013-2014 | Dec-Feb | Philadelphia | one at Pennypack on the Delaware 12/14 (Frank Windfelder, Ann Reeves). |
| Blue-gray Gnatcatcher | 2014-2015 | Dec-Feb | Cumberland | one at the West Fairview Trail 12/13 and 12/26 (Ramsay Koury). |
| Blue-gray Gnatcatcher | 2015-2016 | Dec-Feb | Centre | one on the State College CBC 12/22 (Julia Plummer, ph.) |
| Blue-gray Gnatcatcher | 2015-2016 | Dec-Feb | Chester | one at Marsh Creek S.P. during the Elverson CBC, through at least 1/4 (m.ob.) |
| Blue-gray Gnatcatcher | 2015-2016 | Dec-Feb | Cumberland | one at Huntsdale Hidden Pond 1/8 (Dave Kerr) possibly the same bird reported there 11/27. |
| Blue-gray Gnatcatcher | 2017-2018 | Dec-Feb | Lancaster | one along Susquehanna R. 12/17 (Barry Blust, John McNamara, Jack Sigda) |
| Blue-gray Gnatcatcher | 2017-2018 | Dec-Feb | Philadelphia | one at John Heinz NWR from fall until 12/10 (m.ob.). |
| Blue-gray Gnatcatcher | 2018-2019 | Dec-Feb | Philadelphia | one at NE Philadelphia Water Treatment Plant 1/12-15 (Keith Russell, Patrick McGill, Shawn Towey, m.ob.). |
| Blue-gray Gnatcatcher | 2019-2020 | Dec-Feb | Erie | one at Long Pond Trail 12/31 (Jamie Hill) for first county winter record |
| Blue-gray Gnatcatcher | 2019-2020 | Dec-Feb | Lancaster | one in Wrightsdale 12/3-15 (Sabrena Boekell). |
| Blue-gray Gnatcatcher | 2020-2021 | Dec-Feb | Philadelphia | one at Pennypack on the Delaware 12/6-13 (Patrick McGill, Victoria Sindlinger). |
| Blue-gray Gnatcatcher | 2021-2022 | Dec-Feb | Philadelphia | one at Lardner's Point Park 12/4-1/8 (Patrick McGill, m.ob.) and one at Laurel Hill Cemetery 1/8 (Bernice Koplin). |
| Blue-gray Gnatcatcher | 2022-2023 | Dec-Feb | Bucks | one at Penn-Warner Tract 12/11 (Dawn Denner). |
| Blue-headed Vireo | 1998 | Jan-Mar | Philadelphia | 1 on 3/7 at the Upper Wissahickon was early (Ted Floyd) |
| Blue-headed Vireo | 1998 | Jan-Mar | Westmoreland | 1 on 3/31 at Powdermill Nature Reserve (Bob Leberman) |
| Blue-headed Vireo | 1998 | Jan-Mar | Somerset | 1 on 3/30 at Payne's place (Jeff Payne) |
| Blue-headed Vireo | 1999 | Jan-Mar | Westmoreland | Present part of the quarter |
| Blue-headed Vireo | 1999 | Jan-Mar | Blair | 1 on 1/4-5 at Brush Mt. (Marcia Bonta) |
| Blue-headed Vireo | 2000 | Jan-Mar | Cumberland | First seen on 3/26 at Kings Gap State Park (Deuane Hoffman, Carolyn Blatchley) |
| Blue-headed Vireo | 2000 | Jan-Mar | Blair | 1 on 3/11 at SGL 166 (Stan Kotala) |
| Blue-headed Vireo | 2000 | Jan-Mar | Montgomery | First seen on 3/11 at Upper Perkiomen Park (Paul & Anita Guris) |
| Blue-headed Vireo | 2000 | Jan-Mar | Perry | First seen on 3/27 at Little Buffalo State Park (Deuane Hoffman) |
| Blue-headed Vireo | 2001 | Jan-Mar | Cumberland | 1 at King's Gap State Park on 3/19 through the end of the quarter(Deaune Hoffman) |
| Blue-headed Vireo | 2001 | Jan-Mar | Pike | 1 at PEEC from 3/22 through the end of the quarter (Patrick Scheuer) |
| Blue-headed Vireo | 2002 | Jan-Mar | Cumberland | 1 on 3/31 |
| Blue-headed Vireo | 2007-2008 | Dec-Feb | Delaware | Two at Ridley Creek SP, 12/11 (Andy McGann). |
| Blue-headed Vireo | 2008-2009 | Dec-Feb | Butler | one at Moraine State Park 12/7 (Dave Darney), and one on the Butler CBC at Wolf Creek Narrows 12/20 (Gene Wilhelm). |
| Blue-headed Vireo | 2009-2010 | Dec-Feb | Delaware | one at Swarthmore College 12/26 (Andrew Eberly, David Eberly). |
| Blue-headed Vireo | 2012-2013 | Dec-Feb | Lycoming | one at Jersey Shore 12/29 (Carol and Charles Hildebrand). |
| Blue-headed Vireo | 2012-2013 | Dec-Feb | Dauphin | one at Fort Hunter 1/21 (Chuck Berthoud) |
| Blue-headed Vireo | 2015-2016 | Dec-Feb | Franklin | one along Falling Spring stream near Chambersburg 12/6 (Dave Cooney). |
| Blue-headed Vireo | 2018-2019 | Dec-Feb | Lancaster | one at Middle Creek WMA 12/30 (Mike Epler, Cameala Freed, Ted Nichols II) for Lititz CBC. |
| Blue-headed Vireo | 2019-2020 | Dec-Feb | Dauphin | one at Fort Hunter 12/04 (Scott and Stephanie Bills) |
| Blue-headed Vireo | 2019-2020 | Dec-Feb | Luzerne | one at Plymouth Flats 12/14 (Jonathon DeBalko, John DeBalko, Eric Zawatski) |
| Blue-headed Vireo | 2019-2020 | Dec-Feb | Philadelphia | one at Tacony Creek Park 1/11 (Peter Burns, Martin Selzer). |
| Blue-headed Vireo | 2019-2020 | Dec-Feb | Allegheny | one at Allegheny Cemetery in Lawrenceville 1/1 (Amy Henrici, Pat McShea) |
| Blue-headed Vireo | 2019-2020 | Dec-Feb | Chester | one at Goat Hill Serpentine Barrens 12/15 (Mark Johnson) |
| Blue-headed Vireo | 2020-2021 | Dec-Feb | Chester | one at Warwick County Park 1/1 (Timothy Swartz). |
| Blue-headed Vireo | 2021-2022 | Dec-Feb | Allegheny | one in an Oakmont yard 12/17 (Ron Burkert) |
| Blue-headed Vireo | 2021-2022 | Dec-Feb | Clarion | one heard singing along the Redbank Valley Trail near Rimersburg 12/13 (Carole Winslow) |
| Blue-headed Vireo | 2021-2022 | Dec-Feb | Montgomery | one at Green Lane Park 1/1 (Andrew Dolan, Edward Dolan) and one at Pennypack Ecological Restoration Trust 1/4 (Gail Johnson) |
| Blue-headed Vireo | 2021-2022 | Dec-Feb | Philadelphia | one at Pennypack on the Delaware 12/4 (Maria Pacheco) and one at Wissahickon Valley Park 12/18 (Keith Russell). |
| Blue-headed Vireo | 2022-2023 | Dec-Feb | Clinton | one at Upper Creek Park 12/3 (Brian Schmoke) |
| Blue-headed Vireo | 2022-2023 | Dec-Feb | Juniata | one seen on the Juniata County-Lewistown CBC 12/17, a first for that count |
| Blue-headed Vireo | 2022-2023 | Dec-Feb | Philadelphia | one at NE Water Treatment Plant 12/7-11 (Carl Engstrom, m.ob.) |
| Blue-headed Vireo | 2023-2024 | Nov-Feb | Bucks | one in a Yardley yard 12/9 (Julie Pasini) |
| Blue-headed Vireo | 2023-2024 | Nov-Feb | Delaware | one at Henry Johnson Park 12/2 (Jim McConnell, Deb Hansen) and one in Swarthmore 2/10 (William Ackerman) |
| Blue-headed Vireo | 2023-2024 | Nov-Feb | Philadelphia | one at Awbury Arboretum 12/9 (Bill Reaume). |
| Blue-winged Teal | 2002 | Jul | Montgomery | 1 on 7/21 at Church Rd. Green Lane was an record-early date (K. Criley) |
| Blue-winged Teal | 2004-2005 | Dec-Feb | Allegheny | an early individual was at Fox Chapel 2/20 (Dan Yagusic, Chris Knoll) |
| Blue-winged Teal | 2004-2005 | Dec-Feb | Schuylkill | a pair were at Landingville Dam 2/6 (Tom Clauser) |
| Blue-winged Teal | 2005-2006 | Dec-Feb | York | a very late individual was reported on the York CBC 12/17 |
| Blue-winged Teal | 2006-2007 | Dec-Feb | Washington | A male at Canonsburg 2/8-10 (Ross Gallardy). |
| Blue-winged Teal | 2006-2007 | Dec-Feb | Lawrence | A female was present near Big Beaver wetlands through 1/5 (Geoff Malosh) |
| Blue-winged Teal | 2006-2007 | Dec-Feb | Cumberland | A male in Upper Allen 2/17 (Barry and Jenni Horton) |
| Blue-winged Teal | 2007 | Jun-Jul | Beaver | Pair seen occasionally through summer near SGL 285 (Geoff Malosh) |
| Blue-winged Teal | 2007 | Jun-Jul | Crawford | 6 young noted at Shellito's Pond 7/21 (Ronald F. Leberman Robert C. Leberman) a male at Conneaut Marsh along Geneva-Watson Station Rd 7/20 and a female or immature near Custard Bridge 7/25 (Robert C. Leberman Atlas) |
| Blue-winged Teal | 2007 | Jun-Jul | Indiana | male at Yellow Creek 6/12 (m. obs.) |
| Blue-winged Teal | 2007 | Jun-Jul | Lancaster | one at Conejohela Flats 7/12 (Tom Johnson) |
| Blue-winged Teal | 2007 | Jun-Jul | Venango | adult male at shallow end of Justus Lake 6/10 (Russ States Atlas). |
| Blue-winged Teal | 2007-2008 | Dec-Feb | Lancaster | Two on the Southern Lancaster CBC, 12/16. |
| Blue-winged Teal | 2008 | Jun-Jul | Lehigh | Male observed in two ponds 6/10 behind 860 Nestle Way (Adam Smith, Atlas),and on 6/1 (Jeff Hopkins, Atlas). |
| Blue-winged Teal | 2008 | Jun-Jul | Bucks | At Rohm and Haas, Bristol 6/30 (Devich Farbotnik), apparently the county's first summer report |
| Blue-winged Teal | 2008 | Jun-Jul | Butler | Female in atlas block 43D63 on 7/26 (Jim Gray, Atlas) |
| Blue-winged Teal | 2008-2009 | Dec-Feb | Philadelphia | one at Tinicum 2/19 (Tony Croasdale). |
| Blue-winged Teal | 2008-2009 | Dec-Feb | Cumberland | one at Big Springs 1/15 (Jan Getgood, Thomas Johnson) |
| Blue-winged Teal | 2008-2009 | Dec-Feb | Bucks | two at Bristol on Southern Bucks CBC 12/20 (Eileen Mercer) |
| Blue-winged Teal | 2009 | Jun-Jul | Crawford | One to 5 at various areas at Pymatuning (Robert C. Leberman, Mark Vass, Anthony Bledsoe). |
| Blue-winged Teal | 2011 | Jun-Jul | Crawford | spotted at Miller's Pond, Pymatuning 7/2 (Mark Vass, eBird) and 7/31 (Shawn Collins, eBird). |
| Blue-winged Teal | 2011-2012 | Dec-Feb | Beaver | See County report |
| Blue-winged Teal | 2011-2012 | Dec-Feb | Lebanon | See County report |
| Blue-winged Teal | 2011-2012 | Dec-Feb | Bucks | See County report |
| Blue-winged Teal | 2011-2012 | Dec-Feb | Chester | See County report |
| Blue-winged Teal | 2011-2012 | Dec-Feb | Cumberland | See County report |
| Blue-winged Teal | 2011-2012 | Dec-Feb | Philadelphia | See County report |
| Blue-winged Teal | 2012 | Jun-Jul | York | a female with 2 young 7/25 at Brunner Island (eBird, Brian Shade). |
| Blue-winged Teal | 2012 | Jun-Jul | Washington | a male at the Robinson Twp. pond 6/9 remained a few weeks (Mark Vass) |
| Blue-winged Teal | 2012 | Jun-Jul | Centre | a female found at Bald Eagle State Park 6/2 (Jim Dunn) |
| Blue-winged Teal | 2012 | Jun-Jul | Dauphin | male seen at Susquehanna River, West Fairview 7/21 (Richard and Pat Williams) |
| Blue-winged Teal | 2012 | Jun-Jul | Lancaster | a male lingered from May until 6/3 at the Conejohela Flats (eBird, Eric Witmer) |
| Blue-winged Teal | 2012 | Jun-Jul | Montgomery | one in heavy molt from 7/15 thru month at Deep Creek area of Green Lane Park (August and Judy Mirabella) |
| Blue-winged Teal | 2012-2013 | Dec-Feb | Erie | one at Presque Isle S.P. 12/15 (Don Snyder) |
| Blue-winged Teal | 2012-2013 | Dec-Feb | Centre | 2 at State College 12/4-13 (Joe Verica, Alex Lamoreaux, Josh Lefever) |
| Blue-winged Teal | 2012-2013 | Dec-Feb | Chester | One at Marsh Creek S.P. 2/28 (Holly Merker) |
| Blue-winged Teal | 2012-2013 | Dec-Feb | York | a female at Lewisberry 12/15 (Ed Bernot). |
| Blue-winged Teal | 2012-2013 | Dec-Feb | Crawford | 5 at Linesville 12/16 |
| Blue-winged Teal | 2012-2013 | Dec-Feb | Dauphin | one during the Harrisburg CBC 12/15 |
| Blue-winged Teal | 2013 | Jun-Jul | Crawford | at Miller's Pond, Pymatuning 6/1 (Ken Pinnow, eBird) and on four dates in June with one hen and 9 chicks at Tamarack Lake 6/23 (Mark Vass, Ronald F. Leberman) |
| Blue-winged Teal | 2013 | Jun-Jul | Erie | 2 adults at head of Presque Isle Bay 6/14 (Mark Vass). |
| Blue-winged Teal | 2014 | Jun-Jul | Bucks | one at Peace Valley Park 7/31 (ph. August Mirabella) was the first known Jul report for the county |
| Blue-winged Teal | 2014 | Jun-Jul | Lancaster | one at the Conejohela Flats 7/26 (Mike Epler). |
| Blue-winged Teal | 2015-2016 | Dec-Feb | Montgomery | a male at a pond in Pottsgrove 12/13 (Kenneth Rieker) and assumed to be the same duck first noted there 11/5 (Nikki Flood, Scott Stollery) on 1/15, a male was at a pond about a mile north of the original location, likely the same bird (Rudy Keller). |
| Blue-winged Teal | 2016 | Jun-Jul | Berks | at pond in Marion Twp. 6/28 (Rudy Keller) |
| Blue-winged Teal | 2016 | Jun-Jul | Crawford | singles in Conneaut Marsh 6/7 (Jack Chaillet) and at West Vernon Road 6/8 (Tomas Nonnenmacher) |
| Blue-winged Teal | 2016 | Jun-Jul | Philadelphia | one at north end of impoundment of John Heinz NWR until 6/15 (Geoff Veith, eBird). |
| Blue-winged Teal | 2016-2017 | Dec-Feb | Lebanon | One at Conewago Lake in Mt. Gretna 2/25 (Pat and Richard Williams) |
| Blue-winged Teal | 2016-2017 | Dec-Feb | Lycoming | Two at wetlands adjacent to South Williamsport Park 2/20. (Eric Hartshaw) |
| Blue-winged Teal | 2016-2017 | Dec-Feb | Mercer | Three at Shenango Wildlife Area Propagation Ponds 2/19 (Bill Winkler). |
| Blue-winged Teal | 2016-2017 | Dec-Feb | Cumberland | One at Zion Rd Pond 2/18 (Vernon Gauthier, Scott Brookens, Annette Mathes, Bill Oyler) |
| Blue-winged Teal | 2016-2017 | Dec-Feb | Indiana | Three at Yellow Creek SP 2/28 (Lee Carnahan, Roger Carnahan, Tom Glover, Debbie Kalbfleisch, Gloria Lamer, Dan Perlongo, Susan Wheatley) |
| Blue-winged Teal | 2016-2017 | Dec-Feb | Adams | One at Crooked Creek Rd wetland 2/17 (Phil Keener) |
| Blue-winged Teal | 2016-2017 | Dec-Feb | Crawford | Two each at Pymatuning SP's Miller's Ponds and Hartstown Project 2/28 (Anthony Bruno, Roger Higbee, Margaret Higbee) |
| Blue-winged Teal | 2017 | Jun-Jul | Tioga | one in flight at The Muck-Marsh Creek 6/3 (Deuane Hoffman). |
| Blue-winged Teal | 2017 | Jun-Jul | Cumberland | one at Brackbill Pond 7/11 (Stefan Karkuff) |
| Blue-winged Teal | 2017 | Jun-Jul | Crawford | observed at Pymatuning State Park-Fish Hatchery 6/16 (Mark Vass) |
| Blue-winged Teal | 2017-2018 | Dec-Feb | Northampton | one at Martins Creek Environmental Preserve 12/27-1/6 (Jason Horn). |
| Blue-winged Teal | 2017-2018 | Dec-Feb | Mifflin | one at Milroy 12/4 (Robert Hosler) |
| Blue-winged Teal | 2018 | Jun-Jul | Fayette | 2 at Ohiopyle SP 6/15 (Rosanna Lane, William Deegan, eBird) |
| Blue-winged Teal | 2018 | Jun-Jul | Mercer | 4 on at Shenango WMA 7/12 (Steve Sanford, Kim Springer) |
| Blue-winged Teal | 2018 | Jun-Jul | Philadelphia | a male in eclipse plumage at John Heinz impoundments 7/12 (George Armistead, Holly Merker). |
| Blue-winged Teal | 2018-2019 | Dec-Feb | Blair | one on Culp CBC 12/15 |
| Blue-winged Teal | 2018-2019 | Dec-Feb | Clinton | one on Susquehanna R. 1/13 (Jo Ann Bowes) |
| Blue-winged Teal | 2018-2019 | Dec-Feb | Franklin | one at Antrim Common Pond 12/1-2 (Josh Donaldson, Susan Donaldson, Gavin Anderson). |
| Blue-winged Teal | 2019-2020 | Dec-Feb | Allegheny | one at Wingfield Pines 1/2 (Jeff McDonald) |
| Blue-winged Teal | 2019-2020 | Dec-Feb | Bucks | one at Penn-Warner Tract 1/1-2/23 (Devich Farbotnik, Jim Hartley) |
| Blue-winged Teal | 2019-2020 | Dec-Feb | Philadelphia | up to 4 at John Heinz NWR 12/3-11 (Alan Simon, Rich Ziegler, Jamie Tigges). |
| Blue-winged Teal | 2020 | Jun-Jul | Monroe | one at Mount Pocono Airport water treatment plant 6/3 (Bruce Johnson). |
| Blue-winged Teal | 2020 | Jun-Jul | Allegheny | male remained 6/1 through 7/11 at Wingfield Pines (Fred Kachmarik) |
| Blue-winged Teal | 2020 | Jun-Jul | Berks | drake at Kernsville Dam & Recreation Area 6/4 (Kerry Grim) |
| Blue-winged Teal | 2020 | Jun-Jul | Centre | molting male observed 7/8-13 at the Centre Furnace Duck Pond (Carl Engstrom, Joe Gyekis) |
| Blue-winged Teal | 2020 | Jun-Jul | Crawford | one at Miller's Pond 6/7 (Mary Alice Koeneke, Glenn Koppel) and 6/8 (Jennifer Neider) |
| Blue-winged Teal | 2020 | Jun-Jul | Lebanon | continued to 6/3 at Middle Creek (Steve Ferreri) |
| Blue-winged Teal | 2020-2021 | Dec-Feb | Centre | one at Talleyrand Park 2/21-25 (Julia Plummer) |
| Blue-winged Teal | 2020-2021 | Dec-Feb | Dauphin | one at Wildwood Lake Park 12/4-10 (Rick and Peggy Price) |
| Blue-winged Teal | 2020-2021 | Dec-Feb | Lancaster | one at Octoraro Res. 12/28 (Nina Wolf, Warren Wolf) |
| Blue-winged Teal | 2020-2021 | Dec-Feb | Philadelphia | one at John Heinz NWR 2/5 (Graham Gorgas). |
| Blue-winged Teal | 2021 | Jun-Jul | Huntingdon | a dull-looking male at Old Crow wetland 7/4-12 (Ken Tucker, m.ob.) |
| Blue-winged Teal | 2021 | Jun-Jul | Wayne | two hen-types, one tending a duckling at Hanks Pond 7/23 provides rare evidence of nesting (Rick Keyster, eBird, doc.). |
| Blue-winged Teal | 2021 | Jun-Jul | Franklin | a male at Antrim Commons Pond 7/5-10 (Bob Koontz, m.ob.) |
| Blue-winged Teal | 2021 | Jun-Jul | Crawford | one at SGL 214- Hartstown Marsh 6/28 (David Yeany II) |
| Blue-winged Teal | 2021-2022 | Dec-Feb | Cumberland | one at West Fairview Park 2/27 (Josh McCoy) |
| Blue-winged Teal | 2021-2022 | Dec-Feb | Philadelphia | up to 4 at John Heinz NWR throughout Dec (m.ob.). |
| Blue-winged Teal | 2022 | Jun-Jul | Dauphin | pair seen 6/16 at Wildwood Lake Park (Kevin Shannon, eBird) |
| Blue-winged Teal | 2022 | Jun-Jul | Franklin | male at Greencastle Reservoir 6/15-24 (Bill Oyler, Dave Ebbitt, Kyle Rambo) |
| Blue-winged Teal | 2022 | Jun-Jul | Lawrence | one at Shaner Road Marsh 7/31 (Mark Vass) |
| Blue-winged Teal | 2022 | Jun-Jul | Northampton | male from 6/30 was seen through season joined by female in July (m.ob., eBird) and a male in eclipse plumage was at Martin's Creek Environmental Preserve 7/1 (Scott Angus, eBird, ph.) |
| Blue-winged Teal | 2022 | Jun-Jul | Northumberland | one male at the Amish Pond 6/2 (Andy Keister) |
| Blue-winged Teal | 2022 | Jun-Jul | Philadelphia | pair at John Heinz NWR 6/25 (Connor Smyth) |
| Blue-winged Teal | 2022 | Jun-Jul | Wayne | male seen 6/1 and 6/9, and female 7/20 at Hankins Pond (Chris Fischer, eBird). |
| Blue-winged Teal | 2023 | Jun-Jul | Crawford | a single bird observed at Conneaut Marsh - W. Vernon Road 6/14 (Brian Miller, Tomas Nonnenmacher, Ken Pinnow) |
| Blue-winged Teal | 2023 | Jun-Jul | Philadelphia | one at the John Heinz NWR impoundment on 6/16 (Ben Filreis, eBird, ph.) and one continued to 6/1 at the Art Museum Waterworks (Peter DeStefano, eBird) |
| Blue-winged Teal | 2023 | Jun-Jul | Somerset | one was seen 6/6 at Somerset Lake (Alexander Donley). |
| Blue-winged Teal X Northern Shoveler | 2018 | Mar-May | Bucks | one at the Penn-Warner Tract 3/3-10 (Devich Farbotnik). |
| Blue-winged Warbler | 1995 | Oct-Dec | Adams | An unprecedented (for this late date) 11(!) were reported between 10/2-17 at Warbler Woods (Art & Nonie Kennell)(no details — eds.) |
| Blue-winged Warbler | 1999 | Oct-Dec | Centre | 1 on 10/4 |
| Blue-winged Warbler | 1999 | Oct-Dec | Mercer | Present up to 10/1 at Skunk Run Rd (Troyer family) |
| Blue-winged Warbler | 2002 | Jan-Mar | Centre | 1 from 3/17-3/18 |
| Blue-winged Warbler | 2015-2016 | Dec-Feb | Butler | one first discovered at Sunken Garden Trail in November was relocated and photographed during Butler County CBC 12/19 (Glenn Koppel, Mary Alice Koeneke). |
| Bobolink | 1992 | Oct-Dec | Montgomery | 12 at Green Lane Res. 10/6 and 65 there 10/21 (Ron Grubb) |
| Bobolink | 1994 | Oct-Dec | Lancaster | 1 on 11/27 at Washington Boro was very late (Tom Garner) |
| Bobolink | 1995 | Oct-Dec | Erie | Present up to 10/7 at Presque Isle SP (Jerry McWilliams) |
| Bobolink | 1995 | Oct-Dec | Lehigh | Present part of the quarter |
| Bobolink | 1995 | Oct-Dec | Montgomery | present up to 10/8 (4) at Green Lane Res. (Gary Freed) |
| Bobolink | 1996 | Oct-Dec | Chester | Present into Oct. |
| Bobolink | 1997 | Oct-Dec | Delaware | 3 on 10/5 at Essington (Nick Pulcinella) |
| Bobolink | 1997 | Oct-Dec | Bucks | 12 on 10/12 at Pine Run( Ken Reiker) |
| Bobolink | 1997 | Oct-Dec | Schuylkill | 3 on 10/12 at Hawk Mountain Sanctuary (Laurie Goodrich) |
| Bobolink | 1999 | Oct-Dec | Bucks | Present up to 10/30 at Peace Valley Park |
| Bobolink | 1999 | Oct-Dec | York | 3 on 10/7 at Rocky Ridge (Bruce Fortman, Deuane Hoffman) |
| Bobolink | 2000 | Oct-Dec | Montgomery | 3 on 10/1 at Green Lane Reservoir (Kevin Crilley) |
| Bobolink | 2000 | Oct-Dec | Lancaster | Present up to 10/7 |
| Bobolink | 2001 | Oct-Dec | Bucks | 1 on 11/1 at Warner Tract (Devich Farbotnik) |
| Bobolink | 2012-2013 | Dec-Feb | Montgomery | one at the Pennypack Ecological Restoration Trust remained to 12/2 (Paul Driver). |
| Bohemian Waxwing | 1992 | Oct-Dec | Erie | At Roderick Wildlife Area 11/8 from approximately 1325-1328. The view was from side and rear. The bird was quite noticeably larger than accompanying Cedar Waxwings, probably an inch difference. Its overall color was grayish-brown. It had typical waxwing black face mask, and its head was crested. The secondaries were tipped with white which was quite distinctive. there was also a whitish stripe going up the primary tips. The tail had a yellow tail band. The underside was not visible. Its voice was high-pitched buzzy note. Compared directly with Cedars it was lower and more buzzy. (John Pogacnik, Perry, Ohio) |
| Bohemian Waxwing | 1993 | Oct-Dec | Berks | 1 at Hawk Mt. 11/9-10 (Laurie Goodrich, Cathy Viverette) |
| Bohemian Waxwing | 1993 | Oct-Dec | Erie | 1 at Roderick WMA 11/5 (Frank & Barb Haas) was present up to at least 11/30 (J. McWilliams). See detailed report elsewhere |
| Bohemian Waxwing | 1993 | Oct-Dec | Allegheny | 3 at Natrona Heights 10/27 (Paul Hess) |
| Bohemian Waxwing | 1995 | Oct-Dec | Warren | 1 on 11/10 at Saybrook (Chuck & Marjorie Neel) |
| Bohemian Waxwing | 1995 | Oct-Dec | Erie | 1 on 11/24 at Fairview (Jerry McWilliams) |
| Bohemian Waxwing | 1995 | Jan-Mar | Montgomery | 1 on 12/30 at Valley Forge NP (Mark Ezzo) |
| Bohemian Waxwing | 1995 | Jan-Mar | Bucks | 1 on 12/4-6 at Peace Valley Park (Ian Baldoch) was a second county record |
| Bohemian Waxwing | 2001 | Jan-Mar | Potter | 1 on 1/24 at the Mitterer farm (Jack Mitterer) |
| Bohemian Waxwing | 2001 | Oct-Dec | Erie | 1 at Presque Isle 11/10 (Dan Donaldson) and 11/17 (Jerry McWilliams) (details submitted to PORC) |
| Bohemian Waxwing | 2002 | Aug-Nov | Erie | remains of 1 found on 11/26 on the Pine Tree Trail (Randy Stringer) |
| Bohemian Waxwing | 2002-2003 | Dec-Feb | Erie | 1 from 1/28-2/6 Lake City (Rick Kreider) |
| Bohemian Waxwing | 2005 | Mar-May | McKean | one near Millard Run 3/5 (John Fedak) |
| Bohemian Waxwing | 2007-2008 | Dec-Feb | Clarion | One in SGL 63 was photographed, present 12/9-10 (Mike Weible) |
| Bohemian Waxwing | 2007-2008 | Dec-Feb | Erie | One photographed at Presque Isle SP, 12/18 (Bernard Master) |
| Bohemian Waxwing | 2007-2008 | Dec-Feb | Monroe | One on 12/16 (Corey Husic, no doc.) |
| Bohemian Waxwing | 2007-2008 | Dec-Feb | Tioga | A flock of 15 on the Mansfield-Wellsboro CBC, 12/15 (Rich Faber, Terry Faber, no doc.). |
| Bohemian Waxwing | 2008 | Aug-Nov | Berks | one at Hawk Mountain Sanctuary 9/21 (David Hughes, Beth Swarzentruber, no doc.) was the seventh for the county. |
| Bohemian Waxwing | 2013 | Aug-Nov | Schuylkill | one 9/2 at Hawk Mountain Sanctuary (Laurie Goodrich, doc submitted) and 7 there 10/25 (Hawk Mountain staff, no doc). |
| Bonaparte's Gull | 1992 | Oct-Dec | Indiana | One on 8/4 at Yellow Creek SP Greg Cook, Margaret Higbee, Gloria Lamer |
| Bonaparte's Gull | 1992 | Jul-Sep | Lancaster | One on 7/8 (Early) at Muddy Run Fisherman's Park, Eric Witmer |
| Bonaparte's Gull | 1993 | Apr-Jun | Erie | Present in Jan and Mar |
| Bonaparte's Gull | 1993 | Jan-Mar | Cumberland | 1 at Kuhn L. 3/22 and 11 at Newville 3/29 (Don & Robyn Henise) |
| Bonaparte's Gull | 1993 | Jan-Mar | Indiana | 9 at Yellow Creek SP 3/29 (Gloria Lamer) |
| Bonaparte's Gull | 1993 | Jan-Mar | Westmoreland | 3 at Donegal L. 3/22 and 1 on 3/29 (Robert Leberman) |
| Bonaparte's Gull | 1993 | Jan-Mar | Huntingdon | 1 at McAlevy's Fort 3/28 (Greg Grove) |
| Bonaparte's Gull | 1994 | Oct-Dec | Centre | 1 at Bald Eagle SP 8/23 (Gene Zielinski) |
| Bonaparte's Gull | 1994 | Jul-Sep | Erie | present from 7/27+ (Stringer) |
| Bonaparte's Gull | 1994 | Oct-Dec | Indiana | 1 at Yellow Creek SP 9/30 (Greg Cook) |
| Bonaparte's Gull | 1994 | Oct-Dec | Lancaster | present from 8/19+ at Washington Boro (Heller) |
| Bonaparte's Gull | 1995 | Jul-Sep | Erie | 2 from 7/29 on, at Presque Isle SP (Jerry McWilliams) |
| Bonaparte's Gull | 1995 | Oct-Dec | Lancaster | 1 on 8/26 at Washington Boro (Early Bird Nature Tours, et al) |
| Bonaparte's Gull | 1998 | Jul-Sep | Erie | Present all quarter at Presque Isle SP (Jerry McWilliams) |
| Bonaparte's Gull | 1998 | Jul-Sep | Indiana | 3 on 7/11 at Yellow Creek SP (Greg Cook) |
| Bonaparte's Gull | 2000 | Jul-Sep | Erie | Present part of the quarter |
| Bonaparte's Gull | 2000 | Oct-Dec | Lebanon | 1 on 8/13 at Memorial Lake (Bruce Weaver) |
| Bonaparte's Gull | 2000 | Oct-Dec | York | 4 on 8/20 at Codorus State Park (Fred Clark) |
| Bonaparte's Gull | 2003-2004 | Dec-Feb | Beaver | one 1/23 at Beaver Falls Dam (Mark Vass, Chris Knoll) |
| Bonaparte's Gull | 2003-2004 | Dec-Feb | Berks | a flock of 34 on 12/1 at L. Ontalaunee (Steve Fordyce) |
| Bonaparte's Gull | 2003-2004 | Dec-Feb | Bucks | 35-40 on 1/7 at Churchville Res. (Connie Goldman) |
| Bonaparte's Gull | 2003-2004 | Dec-Feb | Chester | one 1/9 at Struble L. and five 1/9 at Marsh Creek SP (Grier Sanders, Holly Merker) |
| Bonaparte's Gull | 2003-2004 | Dec-Feb | Dauphin | ten 1/7 at the Susquehanna R. from West Fairview (Rosemary Spreha) |
| Bonaparte's Gull | 2003-2004 | Dec-Feb | Huntingdon | 35 on 12/27 on the Juniata R. (David Kyler) |
| Bonaparte's Gull | 2004 | Jun-Jul | Erie | 20, including juveniles, at Gull Point on 7/10 (Ben Coulter, Mark Vaas, from PABL) |
| Bonaparte's Gull | 2004 | Jun-Jul | Chester | 1 immature at Struble Lake on 6/2 (Larry Lewis) |
| Bonaparte's Gull | 2005 | Jun-Jul | Erie | single bird at Presque Isle 6/18 (Mark Vass |
| Bonaparte's Gull | 2005 | Jun-Jul | Centre | one seen at Benner Springs Fish Hatchery 6/1 (Jeff Michaels) |
| Bonaparte's Gull | 2007 | Jun-Jul | Crawford | One at Miller's Pond 7/4 (Randy Stringer listserv) and one to 3 from 7/5 to end of July at the Pymatuning Spillway (Mark Vass m. obs.) |
| Bonaparte's Gull | 2007 | Jun-Jul | Centre | Non-breeding plumage at Bald Eagle State Park 6/22 first local summer record (Greg Grove). |
| Bonaparte's Gull | 2008 | Jun-Jul | Somerset | Lingering migrant on Somerset Lake 6/3 (Jeff Payne). |
| Bonaparte's Gull | 2011 | Jun-Jul | Centre | one at Bald Eagle State Park 7/28 (Joe Verica) |
| Bonaparte's Gull | 2011 | Jun-Jul | Montgomery | one at Green Lane Reservoir 7/30 (Steve Grunwald, George A. Franchois). |
| Bonaparte's Gull | 2012 | Jun-Jul | Centre | 6/13 at Bald Eagle S.P. (Mike Dreibelbis) |
| Bonaparte's Gull | 2012 | Jun-Jul | Crawford | 2 at Pymatuning Spillway 7/4 (Shawn Collins) |
| Bonaparte's Gull | 2012 | Jun-Jul | Erie | at Presque Isle State Park 6/1 (eBird, Geoff Malosh) and 6/16 (eBird, Colleen Yeany) |
| Bonaparte's Gull | 2012 | Jun-Jul | Lancaster | 2 birds in alternate plumage 6/25 at Conejohela Flats (eBird, Mike Epler, Pat and Dick Williams). |
| Bonaparte's Gull | 2013 | Jun-Jul | Erie | 2 at Gull Point 6/1 (Mark Vass). |
| Bonaparte's Gull | 2014 | Jun-Jul | Erie | single digit counts from 6/30 (James Flynn) to 7/5 (Shannon Thompson, Michel David) and 2 on 7/26 (Matthew Sabatine) at Presque Isle (all eBird) |
| Bonaparte's Gull | 2014 | Jun-Jul | Lancaster | two first summer birds on the Conejohela Flats 6/1 (Bruce Carl, Eric Witmer). |
| Bonaparte's Gull | 2015 | Jun-Jul | Crawford | 8 at Woodcock Lake 7/15 (Ron Leberman) and one at Espyville Marina 7/3 (Mark Vass) |
| Bonaparte's Gull | 2015 | Jun-Jul | Lancaster | 2 at the Conejohela Flats 6/4 (Bruce Carl). |
| Bonaparte's Gull | 2015 | Jun-Jul | Bucks | one at Nockamixon State Park 7/22 (John Finch) |
| Bonaparte's Gull | 2017 | Jun-Jul | Lancaster | two at the Susquehanna R. at Conejohela Flats 7/30 (Bruce Carl, Zachary Millen (ph), Michael Schall, Eric Witmer) |
| Bonaparte's Gull | 2017 | Jun-Jul | Montgomery | an adult at Green Lane Park 7/31 (George Franchois). |
| Bonaparte's Gull | 2017 | Jun-Jul | Bucks | an immature was at Peace Valley Park 7/29-31 (August Mirabella, ph.) |
| Bonaparte's Gull | 2017 | Jun-Jul | Crawford | one at Pymatuning SP, Jamestown area 6/27 (Allie Causey) |
| Bonaparte's Gull | 2017 | Jun-Jul | Erie | seen from various points on Presque Isle on 7/19, with a high count of 15 that day (Hunter Kline, eBird) |
| Bonaparte's Gull | 2017 | Jun-Jul | Crawford | one at Pymatuning-Miller's Ponds 7/9 (CN), 2 at Pymatuning Spillway 7/22 (Mark Vass) and one there 7/3 0 (Ron Leberman), one at Woodcock Lake- Abandoned Road Trail 7/30 (Brendyn Baptiste). |
| Bonaparte's Gull | 2018 | Jun-Jul | Allegheny | second-summer bird in heavy molt at Duck Hollow on Monongahela River 7/9 (Nancy Moeller, Tom Moeller) remained to 7/19 (m.ob.) |
| Bonaparte's Gull | 2018 | Jun-Jul | Crawford | one at Pymatuning Spillway 7/31 (Ron Leberman) |
| Bonaparte's Gull | 2018 | Jun-Jul | Erie | one in alternate plumage 7/28 (Debbie Beer, eBird). |
| Bonaparte's Gull | 2019 | Jun-Jul | Butler | one at Lake Arthur 7/12 (Karyn Delaney) and 7/31 (Martin Carlin). |
| Bonaparte's Gull | 2023 | Jun-Jul | Berks | two were at Blue Marsh Lake 7/16 (Brian Lineaweaver, m.ob., ph.) |
| Bonaparte's Gull | 2023 | Jun-Jul | Crawford | four seen 7/15 (Jeffrey Levers, eBird) and two on 7/16 at Pymatuning SP Spillway (Kenneth Pinnow, Tomas Nonnenmacher, eBird) |
| Bonaparte's Gull | 2023 | Jun-Jul | Jefferson | a lone bird was at Kyle Lake 6/7 (Don Nixon) |
| Bonaparte's Gull | 2023 | Jun-Jul | Erie | one or two reported to eBird at Presque Isle |
| Bonaparte's Gull | 2023 | Jun-Jul | York | one was over Shanks Mare 6/18 (Bob Reiter). |
| Boreal Owl | 1896 | Mar-May | Allegheny | 3/12/1896 at Wilkensburg, Allegheny |
| Boreal Owl | 2001 | Apr-Jun | Erie | 1 on 4/7 at Presque Isle State Park (Dave Darney, Jerry McWilliams, Linda McWilliams, Pat Kramer) was a first county record and only the second state record. The first record in PA was in 1896 |
| Brambling | 1978 | Dec-Feb | Allegheny | 2/2-4/1/1978 at North Park, Allegheny |
| Brant | 1993 | Jan-Mar | Berks | 1 at Oley 3/9 (Ken Lebo) |
| Brant | 1995 | Oct-Dec | Berks | 56 at Rte 183 hawk watch (no date)(Bob & Anne MacClay) and 50 on 11/27 at Hawk Mountain (HMS staff) |
| Brant | 1995 | Oct-Dec | Dauphin | 1 on 11/5 and 11/20 on the Susquehanna River (Grace Randolph) |
| Brant | 1995 | Oct-Dec | Montgomery | 1 on 10/28-11/25 at Green Lane Res. (Gary Freed) |
| Brant | 1995 | Oct-Dec | Schuylkill | 46 on 11/4 at Lewistown Valley (Tom Clauser) |
| Brant | 1996 | Jan-Mar | Bucks | 1 on 2/28 at Peace Valley Park (Steve Farbotnik) |
| Brant | 1996 | Apr-Jun | Berks | 14 on 5/25 was the latest record for the county (Kerry Grim) |
| Brant | 1997 | Apr-Jun | Luzerne | 9 on 5/13 at Harvey's L. flew into Monroe Twp. in Wyoming (Rick Koval, Jim Shoemaker) |
| Brant | 1997 | Apr-Jun | Wyoming | 9 on 5/13 at Harvey's L. flew into Monroe Twp. in Wyoming (Rick Koval, Jim Shoemaker) |
| Brant | 1998 | Jan-Mar | Berks | 1 on 1/24-3/22 at Oley was an unusual wintering record (Rudy Keller) |
| Brant | 1998 | Jan-Mar | Bucks | 1 on 1/17 at Peace Valley Park (Ron French) |
| Brant | 1999 | Jan-Mar | Bucks | 1 on 2/6-3/13 at Peace Valley Park (Ken Reiker) |
| Brant | 1999 | Jan-Mar | Montgomery | 1 on 1/2 at Green Lane Res. (Andrew Curtis, Kevin Crilley) |
| Brant | 1999 | Jan-Mar | Schuylkill | a flock of 35 was observerd flying over Hawk Mountain on 1/1 |
| Brant | 1999 | Jan-Mar | Philadelphia | 1 on 1/9 at the Schuylkill River (Doug Weschler et al) |
| Brant | 2000 | Jan-Mar | Chester | 1 on 2/29 at Struble Lake (Grier Saunders, Larry Lewis) |
| Brant | 2000 | Jan-Mar | Berks | 30 on 1/1 at Hawk Mountain Sanctuary (Greg George, Keith Bildstein) |
| Brant | 2000 | Jan-Mar | Schuylkill | 30 on 1/1 at Hawk Mountain Sanctuary (Greg George, Keith Bildstein) |
| Brant | 2000 | Apr-Jun | Lancaster | 4 on 4/8 at Middle Creek WMA (Randy Miller, Jonathon Heller) |
| Brant | 2000 | Apr-Jun | Lebanon | 4 on 4/8 at Middle Creek WMA (Randy Miller, Jonathon Heller) |
| Brant | 2001 | Jan-Mar | Potter | 1 present from December through 3/1 |
| Brant | 2001 | Jan-Mar | Centre | 3/18-26 |
| Brant | 2001 | Jan-Mar | Lancaster | 2 on 1/2-3 |
| Brant | 2001 | Apr-Jun | Berks | 25 on 5/19 at Lake Ontelaunee were a late record (Ed Barrell) |
| Brant | 2001 | Apr-Jun | Carbon | 7 on 4/7 at Beltzville Lake (Dave Hawk, Bob Frantz) |
| Brant | 2001 | Jul-Sep | Luzerne | 33 on 9/29 |
| Brant | 2001 | Jul-Sep | Schuylkill | 77 on 9/28 flying by at the Hawk Mountain Sanctuary |
| Brant | 2001 | Jan-Mar | Berks | 1 at Lake Ontelaunee 3/11-29 |
| Brant | 2001 | Jan-Mar | Delaware | 30 on 3/16 seen by the Rose Tree Park Hawk-watchers |
| Brant | 2002 | Jan-Mar | Allegheny | 1 from 1/1-1/6 on the Youghiogheny River at BOS (J. Pemberton) |
| Brant | 2002 | Jan-Mar | Centre | 1 from 1/1-1/3 at Centre Furnace Pond |
| Brant | 2002 | Jan-Mar | Chester | 1 from 1/1-1/26 |
| Brant | 2002 | Jan-Mar | Lebanon | 1 on 3/24 |
| Brant | 2002 | Jan-Mar | Wyoming | 4 on 1/7 and 2 on 2/8 South Eaton (W. Reid) |
| Brant | 2002 | Apr-Jun | Chester | 125 on 5/9 at Struble Lake (Grier Saunders, Larry Lewis, Theodore Drozdowski) |
| Brant | 2002 | Apr-Jun | Erie | 1 at Presque Isle State Park 5/24 (Ben Coulter) |
| Brant | 2002 | Apr-Jun | Carbon | 1 on 5/2 at BWS (Dave Hawk, Steve Hawk) |
| Brant | 2002 | Apr-Jun | Centre | 3 at Bald Eagle State Park late in April (Molly Heath); and 1 at the same location in mid-May (Molly Heath) |
| Brant | 2002 | Apr-Jun | Lancaster | 1 on 4/29 (observer and location not specified). |
| Brant | 2002 | Apr-Jun | Berks | 1 on 5/1 at Reading (Bill Uhrich) |
| Brant | 2002 | Apr-Jun | Bucks | 1 at Peace Valley Park 5/12 (Devich Farbotnik) |
| Brant | 2002-2003 | Dec-Feb | Bucks | 1 at Peace Valley Park on 12/8 (Nick Zahn, Henry D'Allesandro) |
| Brant | 2003-2004 | Dec-Feb | Bucks | one 12/21 at L. Caroline (Devich Farbotnik) |
| Brant | 2003-2004 | Dec-Feb | Berks | 35 headed south over Hawk Mt. Sanctuary 12/2 (David Barber) |
| Brant | 2003-2004 | Dec-Feb | Chester | one 1/9-1/18 at Coatesville Res. (Larry Lewis, Rick Robinson) |
| Brant | 2004 | Mar-May | Lancaster | 1 at Middle Creek WMA 3/11 and a flock of 23 on the Susquehanna River at Peach Bottom Village 4/20 (Bob Schutsky) |
| Brant | 2004-2005 | Dec-Feb | Bucks | an injured bird reported at Hilltown Twp.12/30 (Rob Fergus) and four at Peace Valley Park 1/17-18 (August Mirabella) |
| Brant | 2004-2005 | Dec-Feb | Chester | a single bird found at Chambers L. 12/19 (Larry Lewis, Andy Smith, Eleanor Wolf) |
| Brant | 2005-2006 | Dec-Feb | Northampton | 60 from the Little Gap Hawk Watch 12/7 (Michael Schall); 15 on the Bethlehem-Easton CBC 12/31 |
| Brant | 2005-2006 | Dec-Feb | Bucks | one at Nockamixon SP 12/12 (Bill Etter) |
| Brant | 2006 | Mar-May | Centre | several in flight at Bald Eagle S.P. 4/8 (Molly Heath). |
| Brant | 2006-2007 | Dec-Feb | Montgomery | One in Mainland 12/10 (Paul and Anita Guris). |
| Brant | 2006-2007 | Dec-Feb | Bucks | One from the fall continued at Peace Valley Park through 12/6 (August Mirabella) and another (or same) was at Core Creek Park 12/16 (Dianne Allison) |
| Brant | 2006-2007 | Dec-Feb | Franklin | One at Greencastle Reservoir 1/21-1/26 (Dale Gearhart) |
| Brant | 2007 | Mar-May | Delaware | a flock of 98 observed flying over Rose Tree Hawk Watch 3/14 (Jim Lockyer). |
| Brant | 2007-2008 | Dec-Feb | Franklin | One on Chambersburg CBC 12/15. |
| Brant | 2008 | Aug-Nov | Allegheny | one immature at Duck Hollow on the Allegheny R. 11/19-29 (Jack Solomon, Sue Solomon) represented the second record for the county |
| Brant | 2008 | Aug-Nov | Berks | noted at Hawk Mountain Sanctuary 10/27-12/13, with a high of 295 on 12/8 (Laurie Goodrich) |
| Brant | 2008 | Aug-Nov | Bucks | one injured bird at the Penn Warner Tract 10/25 to the end of the season (Devich Farbotnik) |
| Brant | 2008 | Aug-Nov | Chester | one at Coatsville Res. 11/25-30 (Larry Lewis, et al.) |
| Brant | 2008 | Aug-Nov | Lancaster | one at East Lampeter Twp. 10/19 (Justin Bosler) |
| Brant | 2008 | Aug-Nov | Lebanon | 8 at Second Mountain hawk watch 10/17 set a new early date for that location (Randy Brenner) |
| Brant | 2008 | Aug-Nov | Lehigh | 150 over Bake Oven Knob 10/22 |
| Brant | 2008 | Aug-Nov | Luzerne | one at Harveys Lake 10/30 (Jim Hoyson, Kevin Ripka), and one at Ricketts Glen S.P. 11/1-8 (Jim Hoyson, Rick Koval, Mark Kasper) |
| Brant | 2008 | Aug-Nov | Northampton | 25 over Little Gap hawk watch 10/25 (Michael Schall). |
| Brant | 2008-2009 | Dec-Feb | Lancaster | one at Greenfield Estates Pond 12/4 (Justin Bosler). |
| Brant | 2008-2009 | Dec-Feb | Berks | a total of 510 counted in passage over Hawk Mt. throughout Dec, with a high of 295 on 12/8 (Laurie Goodrich) |
| Brant | 2008-2009 | Dec-Feb | Chester | One at Coatesville Reservoir 12/1-4 (Larry Lewis), and a flock of 17 over Okehocking Preserve (Edith Parnum) |
| Brant | 2008-2009 | Dec-Feb | Bucks | an injured bird at Penn-Warner Tract continued from fall into Dec |
| Brant | 2008-2009 | Dec-Feb | Bedford | 3 at Dunnings Creek Wetlands 2/14 (Tom Dick) |
| Brant | 2009 | Mar-May | Tioga | 3 near Millerton 3/26 (Larry Brown). |
| Brant | 2009-2010 | Dec-Feb | Lancaster | 37 on Susquehanna River near Peach Bottom Village 1/22 (Bob Schutsky) |
| Brant | 2009-2010 | Dec-Feb | Pike | 100 counted on White Mills CBC 12/20 |
| Brant | 2009-2010 | Dec-Feb | York | one at Long Arm Reservoir 12/2 (Dan Richards). |
| Brant | 2009-2010 | Dec-Feb | Adams | one at Long Arm Reservoir 12/4 (Dan Richards) |
| Brant | 2010 | Mar-May | Dauphin | 19 on the Susquehanna River at Fort Hunter 5/12 (Drew Weber) and 70 flying downriverat Marysville the same day (Ramsay Koury) |
| Brant | 2010 | Mar-May | Delaware | 150 on Little Tinicum Island in the Delaware River 5/18 (Al Guarente) |
| Brant | 2010 | Mar-May | Lancaster | 40 flying along the Susquehanna River at Bainbridge 5/12 (ChuckChalfant). |
| Brant | 2010 | Aug-Nov | Bucks | 7 at the Penn-Warner Tract 10/3 (Stan Glowacki) was a new early date for the county |
| Brant | 2010 | Aug-Nov | Chester | one at Marsh Creek State Park 11/5-6 (Holly Merker) |
| Brant | 2010 | Aug-Nov | Erie | one at Presque Isle State Park 11/28 (Mike Schall) |
| Brant | 2010 | Aug-Nov | Lebanon | one at Memorial Lake State Park 11/19 (Tim Becker, Pat Williams, Richard Williams). |
| Brant | 2010 | Mar-May | Berks | 27 at Lake Ontelaunee 5/18 (Ken Lebo, MattWlasniewski) |
| Brant | 2011-2012 | Dec-Feb | Chester | one at Somerset Lake near Landenberg from 1/15 to the end of the period (Megan Kasprzak, Shannon Modla, m.ob.) |
| Brant | 2011-2012 | Dec-Feb | Lancaster | total of 75 on Southern Lancaster CBC12/18. |
| Brant | 2011-2012 | Dec-Feb | Berks | 2 on the Reading CBC 12/18 |
| Brant | 2011-2012 | Dec-Feb | Bucks | one at Nockamixon S.P. 12/10 (Paul Cooper) |
| Brant | 2012 | Mar-May | Bedford | six at White-tail Wetlands 2/28 (Connie Hunt) |
| Brant | 2012 | Mar-May | Chester | one from last season continued at Somerset Lake to 3/7 (Joe Sebastiani, et al.). |
| Brant | 2012-2013 | Dec-Feb | Tioga | one at Hills Creek SP 12/19 (Gary Tyson, eBird). |
| Brant | 2012-2013 | Dec-Feb | Bucks | one at Forrest Grove 12/5 (August Mirabella), and one at Peace Valley Park 1/14-16 (Mike Homel, et al.) |
| Brant | 2012-2013 | Dec-Feb | Northampton | one at Glase Rd. pond 12/22 (Michael Schall, Corinne Campbell Schall) |
| Brant | 2013 | Mar-May | Erie | a flock of 50 flew over the Presque Isle Hawk Watch 5/19 (Roger Donn, Jerry McWilliams, Russ States). |
| Brant | 2013-2014 | Dec-Feb | Lancaster | 56 on the Susquehanna River at Peach Bottom 1/13 (Bob Schutsky). |
| Brant | 2014 | Aug-Nov | Northampton | a few small flocks over Little Gap Hawk Watch 10/19 (Stephen Kloiber, Michael Schall, Corinne Campbell Schall) |
| Brant | 2014 | Aug-Nov | Susquehanna | 40 over a residence north of Montrose 10/22 (Evan Mann, eBird) and one at Quaker Lake 11/12-15 (Evan Mann, eBird). |
| Brant | 2014 | Aug-Nov | Lancaster | one juv. at Beechdale Rd. 10/25 (Frank Haas, Barb Haas) and one on the Susquehanna R. 11/1 (Mike Epler) |
| Brant | 2014 | Aug-Nov | Berks | one at Kernsville Dam Recreation Area 11/3 (Kerry Grim) |
| Brant | 2014 | Aug-Nov | Bucks | one at Lake Towhee Park 10/19-11/3 (Devich Farbotnik, m.ob.), one at Peace Valley Park 11/7 (August Mirabella) and 11/17 (Devich Farbotnik), and possibly the same bird at Pine Run Dam 11/15 (Ken Rieker) |
| Brant | 2014 | Aug-Nov | Carbon | one at Beltzville S.P. 11/5-14 (Rich Rehrig, eBird) |
| Brant | 2014 | Aug-Nov | Huntingdon | flocks at Stone Mountain included 30 on 11/15 and 40 on 11/18 (Nick Bolgiano) |
| Brant | 2014 | Aug-Nov | Indiana | one at Yellow Creek State Park 11/4-11 (Lee Carnahan, Tom Glover, Margaret Higbee, Roger Higbee, Donna Meyer, Richard Nugent) |
| Brant | 2014 | Mar-May | Centre | one at Colyer Lake 3/30 (Aaron Lapp, Joe Verica) |
| Brant | 2014 | Mar-May | Philadelphia | 31 at the Philadelphia Navy Yard 5/21 (ph. George Armistead). |
| Brant | 2015 | Aug-Nov | Crawford | one at the Hartstown Project pond 9/27 (Matt Juskowich) and again there and at the nearby Miller Ponds 10/4-7 (m.ob.) |
| Brant | 2015 | Aug-Nov | Luzerne | 6 at Harveys Lake 10/9 (Rick Koval) |
| Brant | 2015 | Aug-Nov | Lycoming | one at the Market Street Bridge 10/1 (Maddi Dunlap, Jean Klotz) |
| Brant | 2015 | Aug-Nov | Philadelphia | one at John Heinz N.W.R. 10/1-5 (ph. Damon Orsetti), one at the Naval Business Center 10/2 (George Armistead), and 2 at the Betsy Ross Bridge 10/10 (Tom Bailey). |
| Brant | 2016 | Aug-Nov | Berks | See Local Notes |
| Brant | 2016 | Aug-Nov | Lancaster | See Local Notes |
| Brant | 2016 | Aug-Nov | Philadelphia | See Local Notes |
| Brant | 2016 | Aug-Nov | Schuylkill | See Local Notes |
| Brant | 2016 | Aug-Nov | Tioga | See Local Notes |
| Brant | 2016 | Aug-Nov | Wayne | See Local Notes |
| Brant | 2016 | Aug-Nov | Columbia | See Local Notes |
| Brant | 2016 | Aug-Nov | Crawford | See Local Notes |
| Brant | 2016 | Aug-Nov | Erie | See Local Notes |
| Brant | 2016 | Aug-Nov | Bucks | See Local Notes |
| Brant | 2016 | Mar-May | Monroe | a flock of 130 flew over the Delaware Water Gap National Recreation Area 5/19 (Cory Husic, Diane Husic, Stephen Kloiber, Matt Marshall, Terry Master, Susan Schmoyer). |
| Brant | 2017 | Aug-Nov | Bucks | 56 at Peace Valley Park 10/11 (Zack Moyer, August Mirabella) and one at Bradford Dam 11/27 (Christopher Mortensen) |
| Brant | 2017 | Aug-Nov | Carbon | one at Beltzville SP 10/28 and 3 there10/29-30 (Rich Rehrig, eBird) |
| Brant | 2017 | Aug-Nov | Centre | one-three at Bald Eagle SP 11/5-14 (m.ob., eBird, ph) |
| Brant | 2017 | Aug-Nov | Erie | one passed Sunset Point 10/28 (Jerry McWilliams) and one on Presque Isle Bay 11/17-30 (Glenn Koppel, Mary Birdsong) |
| Brant | 2017 | Mar-May | Lycoming | 22 over Lycoming Creek Bikeway 5/13 (David Brown, et al.), severalflocks over Montoursville 5/22 (David Brown, NFC Station). |
| Brant | 2017 | Mar-May | Centre | a raft of 33 at Bald Eagle SP 5/5 (Joe Verica, JonKauffman, Lewis Grove, Dennis McGillicuddy) |
| Brant | 2017 | Mar-May | Delaware | 2 at Fort Mifflin 5/10 (Al Guarente) |
| Brant | 2017 | Mar-May | Lebanon | 60 circled over Memorial Lake SP 5/13 (Jonathan Heller) |
| Brant | 2017 | Jun-Jul | Montour | one at Lake Chillisquaque, Montour Preserve 6/16-27 (Lauri Shaffer, Eric Hartshaw m.ob., eBird), probable first state summer record. |
| Brant | 2017 | Aug-Nov | Chester | one at Marsh Creek SP 11/4 (Zach Baer, eBird) |
| Brant | 2017 | Aug-Nov | Dauphin | one at Wildwood Lake 10/18 (Sherri Hendricks, Eric Willet) |
| Brant | 2017 | Aug-Nov | Luzerne | one at the Beech Mountain Lakes 11/1 (Jonathan DeBalko, eBird) |
| Brant | 2017 | Aug-Nov | Northampton | one at Valley Center Parkway 11/27 (Adam Miller) |
| Brant | 2017 | Aug-Nov | Philadelphia | one at John Heinz N.W.R. 11/4-14 (Michael Walter). |
| Brant | 2017-2018 | Dec-Feb | Lancaster | 7 flyovers at Middle Creek WMA 12/5 (Bruce Carl) |
| Brant | 2017-2018 | Dec-Feb | Lebanon | one at Quittapahilla Educational Wetlands 2/1 (Pat Williams, Richard Williams) |
| Brant | 2017-2018 | Dec-Feb | Lehigh | one at Fogelsville Quarry 12/25 (Frank Dickman) |
| Brant | 2017-2018 | Dec-Feb | Luzerne | one at Harveys Lake 12/24 (John Miller). |
| Brant | 2018 | Aug-Nov | Lebanon | one at Memorial Lake SP 10/15 (Ian Gardner, Timothy Becker, Dave McNaughton, Mary Coomer, Ted Nichols, Mike Epler) |
| Brant | 2018 | Aug-Nov | Lehigh | one in Emmaus 10/21 (James Funk) |
| Brant | 2018 | Aug-Nov | Luzerne | one at Harvey's Lake 1021 (Eric Zawatski, Rick Koval, eBird) |
| Brant | 2018 | Aug-Nov | Lycoming | one at Williamsport Regional Airport 9/27 (Jonathan Baker) |
| Brant | 2018 | Aug-Nov | Bucks | 14 over Doylestown 10 |