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Birds of Note All Records For Glaucous Gull
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| Glaucous Gull | 1992 | Oct-Dec | Berks | 1 at Blue Marsh 12/22 (Bob & Joan Silagy) |
| Glaucous Gull | 1992 | Oct-Dec | Erie | 4 at Presque Isle 12/5-21 (McWilliams, Schutsky) |
| Glaucous Gull | 1992 | Oct-Dec | Armstrong | 1 at Manorville 12/6 (Debbie Livengood) |
| Glaucous Gull | 1993 | Jan-Mar | Philadelphia | 1 on 1/17 and 1/19 (Nick Pulcinella, Dave Wiedner, Mike Logan) |
| Glaucous Gull | 1993 | Apr-Jun | Erie | 1 on 4/5 (Geoff Robins) and 1 on 4/30 at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1993 | Jan-Mar | Bucks | 4 on the S. Bucks CBC 12/18 |
| Glaucous Gull | 1993 | Jan-Mar | Erie | 1 at Presque Isle 12/26 (J. McWilliams) |
| Glaucous Gull | 1993 | Jan-Mar | Lancaster | 1 at Conowingo Pond 12/16 (Harold Morrin, B. Schutsky) and 1 at Safe Harbor 12/31 (J. Heller, R. Miller) |
| Glaucous Gull | 1993 | Jan-Mar | Berks | 1 at Blue Marsh L. 1/20 (Dean Kendall) |
| Glaucous Gull | 1993 | Jan-Mar | Erie | 4 at Presque Isle 1/2 and 2 on 2/12 (Jerry McWilliams) |
| Glaucous Gull | 1994 | Apr-Jun | Bucks | 1 at Tullytown until 4/14 (Steve Farbotnik) |
| Glaucous Gull | 1994 | Apr-Jun | Erie | at Presque Isle 1 on 4/30 and 1 on 5/15 (Jerry McWilliams) |
| Glaucous Gull | 1994 | Jan-Mar | Berks | 1 on 12/26 at Carr L. (Ken Lebo) |
| Glaucous Gull | 1994 | Oct-Dec | Bucks | 1 on 11/10 at Peace Valley Park (Steve Farbotnik) |
| Glaucous Gull | 1994 | Jan-Mar | Erie | 1 on 12/31 at at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1994 | Jan-Mar | Lancaster | 1 on 12/18 on the Conowingo Pond (Bob Schutsky) and 1 on 12/19 at Muddy Run (Randy Miller) |
| Glaucous Gull | 1995 | Jan-Mar | Bucks | 2 on 12/16 (Bob Mercer) |
| Glaucous Gull | 1995 | Apr-Jun | Erie | 3 on 4/8 at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1995 | Jan-Mar | Erie | 2 from 1/12 to 2/12 at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1995 | Jan-Mar | Chester | 1 on 1/28 at Struble L. (Early Bird Nature Tours) |
| Glaucous Gull | 1995 | Jan-Mar | Delaware | 1 on 1/12-15 on the Delaware River (John Miller, Al Guarente) |
| Glaucous Gull | 1995 | Oct-Dec | Erie | 1 on 11/20-25 at Presque Isle SP (Isaac Fields, Jim Flynn) |
| Glaucous Gull | 1995 | Jan-Mar | Lancaster | 1 on 12/30 at Safe Harbor (Lancaster CBC) |
| Glaucous Gull | 1996 | Jan-Mar | Erie | present from 2/10 on with a high of 5 on 2/29 at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1996 | Jan-Mar | Bucks | 1 on 12/21 on the So. Bucks CBC |
| Glaucous Gull | 1996 | Jan-Mar | Bucks | Present up to 2/25 at Peace Valley Park (August Mirabella) |
| Glaucous Gull | 1997 | Jan-Mar | Erie | Present part of the quarter |
| Glaucous Gull | 1997 | Jan-Mar | Berks | 2 on 12/27 at BFI Landfill (Frank & Barb Haas) |
| Glaucous Gull | 1997 | Jan-Mar | Bucks | 1 on 12/20 on the CBC |
| Glaucous Gull | 1997 | Oct-Dec | Erie | Recorded from 11/19-12/29 at Presque Isle SP (Jean & Toby Cunningham, Don Snyder) |
| Glaucous Gull | 1997 | Jan-Mar | Bucks | At least 1 present from 1/29 on at Tullytown (Ken Reiker) |
| Glaucous Gull | 1997 | Jan-Mar | Lancaster | 1 in December at Long Level (Jerry Book) |
| Glaucous Gull | 1998 | Jan-Mar | Erie | 1 on 12/31 at Presque Isle State Park (Jerry McWilliams) |
| Glaucous Gull | 1998 | Jan-Mar | Bucks | 1 on 12/19 (no location, no observer) |
| Glaucous Gull | 1999 | Jan-Mar | Bucks | 1 on 1/26 at Tullytown (Steve Farbotnik) |
| Glaucous Gull | 1999 | Oct-Dec | Chester | 1 on 11/27 at Struble Lake (Grier Saunders) |
| Glaucous Gull | 1999 | Jan-Mar | Erie | 1 on 12/31 at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1999 | Jan-Mar | Berks | 1 on 1/1 at Lake Ontelaunee (Ken Lebo, Bill Uhrich) |
| Glaucous Gull | 1999 | Jan-Mar | Bucks | Present from 12/18 on the Delaware River |
| Glaucous Gull | 1999 | Jan-Mar | Northampton | Up to 3 at Chain Dam in early Jan. (m. obs.) |
| Glaucous Gull | 1999 | Apr-Jun | Erie | Present until 4/23 at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1999 | Jan-Mar | Erie | Present all quarter with a high of 8 on 2/28 at Presque Isle SP (Jerry McWilliams) |
| Glaucous Gull | 1999 | Jan-Mar | Montgomery | 1 on 1/20-21 at Walt Rd was a 2nd county record (George Franchois, Bill & Naomi Murphy) |
| Glaucous Gull | 2000 | Jan-Mar | Northampton | 1 on 2/29 at Martins Creek was a 2nd county record (Rick Wiltraut) |
| Glaucous Gull | 2000 | Apr-Jun | Erie | 1 on 4/11 at Presque Isle State Park (Jerry McWilliams) |
| Glaucous Gull | 2000 | Jan-Mar | Erie | Present up to 3/18 at Presque Isle State Park (Jerry McWilliams) |
| Glaucous Gull | 2000 | Jan-Mar | Berks | Present from 12/9-23 with a high of 3 at Lake Ontelaunee on 12/9 (Katrina Knight) |
| Glaucous Gull | 2000 | Oct-Dec | Bucks | 1 on 11/25-12/16 at Penn Manor |
| Glaucous Gull | 2000 | Jan-Mar | Berks | 1 on 1/15-16 at Lake Ontelaunee (m. obs.) |
| Glaucous Gull | 2000 | Jan-Mar | Bucks | Present from 2/12 to 2/28 at Tullytown (m. obs.) |
| Glaucous Gull | 2000 | Jan-Mar | Lebanon | 1 on 12/16 at Memorial Lake State Park (Randy Miller) |
| Glaucous Gull | 2000 | Jan-Mar | Northampton | 1 on 12/8 at Easton (Rick Wiltraut) |
| Glaucous Gull | 2000 | Apr-Jun | Tioga | 1 on 4/17 at Hammond Lake (Ben Israel) |
| Glaucous Gull | 2000 | Jan-Mar | Erie | 1 on 12/10 at Presque Isle State Park (Jerry McWilliams) |
| Glaucous Gull | 2001 | Oct-Dec | Bucks | 1 on 11/4 at Tulleytown (Mat Sharp) to end of quarter |
| Glaucous Gull | 2001 | Oct-Dec | Wyoming | 1 on 11/16 at S. Eaton (William Reid) |
| Glaucous Gull | 2001 | Apr-Jun | Chester | 1 on 4/20 and 1 in early May at Struble Lake (Grier Saunders, Larry Lewis) |
| Glaucous Gull | 2001 | Jan-Mar | Berks | 1 on 12/22 at Glen Morgan Lake (Frank & Barb Haas) |
| Glaucous Gull | 2001 | Jan-Mar | Bucks | Present all quarter with a high of 4 seen at Tullytown on 1/13 (Ward Dasey, Joe Majden) |
| Glaucous Gull | 2001 | Jan-Mar | Erie | up to 2 at Presque Isle State Park 1/31-3/25 Ben Coulter, Jerry McWilliams) |
| Glaucous Gull | 2001 | Apr-Jun | Bucks | present up to 5/6 at Tullytown (Paul Lehman) |
| Glaucous Gull | 2002 | Jan-Mar | Lebanon | 1 on 1/15 |
| Glaucous Gull | 2002 | Apr-Jun | Bucks | present up to 5/11 at Tullytown (Ward Dasey, Devich Farbotnik) |
| Glaucous Gull | 2002 | Apr-Jun | Erie | 1 on 4/2 (Ben Coulter) & 1 on 4/20 (Randy Stringer) at Presque Isle State Park |
| Glaucous Gull | 2002 | Jan-Mar | Erie | 13 from 1/10-3/31 |
| Glaucous Gull | 2002 | Jan-Mar | Bucks | 2 at Tullytown on 2/23 (MS) |
| Glaucous Gull | 2002 | Jul | Lancaster | reported 5/21 & 6/1 (observer and location not listed) |
| Glaucous Gull | 2002 | Aug-Nov | Perry | 1 on 10/15 (no desc.) |
| Glaucous Gull | 2002 | Jan-Mar | Dauphin | 1 on 2/20 on the Susquehanna River near Dauphin Narrows (M. Lyman) |
| Glaucous Gull | 2002-2003 | Dec-Feb | Bucks | 7 on 2/8 at Tullytown (MS) |
| Glaucous Gull | 2002-2003 | Dec-Feb | Erie | 1 on 12/1 at Presque Isle State Park (Joyce Hoffman). 1 on 1/13 at Presque Isle State Park (Ben Coulter) |
| Glaucous Gull | 2003 | Mar-May | Bucks | 1 on 5/10 at the Penn-Warner Tract (Devich Farbotnik) |
| Glaucous Gull | 2003 | Mar-May | Erie | 9 present 3/6-4/21 (Jerry McWilliams, Linda McWilliams); 1 on 5/13 at Presque Isle State Park was late (Dave Wilton) |
| Glaucous Gull | 2003-2004 | Dec-Feb | Northampton | present up to 1/19 |
| Glaucous Gull | 2003-2004 | Dec-Feb | Berks | three 12/21 at the New Morgan Landfill (Frank & Barbara Haas) and a juv. 12/31 at Blue Marsh L. (Joan Silagy) |
| Glaucous Gull | 2003-2004 | Dec-Feb | Bucks | one 12/30-2/21 at Penn-Warner Tract (Karl Kosciuch, Devich Farbotnik, Matt Sharp) |
| Glaucous Gull | 2003-2004 | Dec-Feb | Chester | one 12/27 at Struble L.(Larry Lewis, Grier Saunders, Barry Blust); one 1/18 at Chamber's L.(Rick Robinson); one ,2/2 at Marsh Creek SP (Larry Lewis, Grier Saunders) |
| Glaucous Gull | 2003-2004 | Dec-Feb | Erie | five 1/11-2/25 at Presque Isle SP (Ben Coulter, Jerry McWilliams) |
| Glaucous Gull | 2003-2004 | Dec-Feb | Lancaster | one 12/21 on the SoLanco CBC |
| Glaucous Gull | 2003-2004 | Dec-Feb | Northampton | one 1/19 at the Chain Dam (Michael Schall, Gail Johnson). |
| Glaucous Gull | 2003-2004 | Dec-Feb | Bucks | 1 on 2/21 at the Penn-Warner Tract (Mike Spingola) |
| Glaucous Gull | 2004 | Aug-Nov | Bucks | The first reported was at Penn-Warner Tract 11/26 (Paul Lehman) |
| Glaucous Gull | 2004 | Aug-Nov | Lancaster | One at the Conejohela Flats 11/21 (Eric Witmer) |
| Glaucous Gull | 2004 | Mar-May | Erie | present in the usual numbers |
| Glaucous Gull | 2005 | Mar-May | Bucks | present at Tullytown up to 3/31 (Matt Sharp, Bill Keim); one at Nockamixon State Park 3/18 and 3/23 (Bill Etter) |
| Glaucous Gull | 2005 | Mar-May | Erie | up to six observed periodically from 3/1- 5/5 (Jerry McWilliams, Ben Coulter) |
| Glaucous Gull | 2005 | Aug-Nov | Bucks | the first of the season was at Tullytown 11/26 (Cameron Rutt, August Mirabella) |
| Glaucous Gull | 2005-2006 | Dec-Feb | Berks | one was found at the New Morgan landfill on the Elverson CBC 12/26 (Frank & Barb Haas) |
| Glaucous Gull | 2005-2006 | Dec-Feb | Bucks | eight 12/17 on the Southern Bucks CBC at Tullytown/The Penn-Warner Tract landfill area (m. obs.) |
| Glaucous Gull | 2005-2006 | Dec-Feb | Wyoming | an adult on the river at South Eaton 12/12 (Bill Reid) |
| Glaucous Gull | 2005-2006 | Dec-Feb | Erie | about 25 were present at Presque Isle SP 12/15 through the period (Jerry McWilliams, Ben Coulter) |
| Glaucous Gull | 2006 | Mar-May | Bucks | one at the Penn-Warner Tract 5/20 was a late record (Devich Farbotnik) |
| Glaucous Gull | 2006 | Aug-Nov | Erie | An immature on 11/25 at Presque Isle State Park (Randy Stringer Jerry McWilliams). |
| Glaucous Gull | 2006 | Mar-May | Erie | at least 10 in the surrounding waters of Presque Isle S.P. 3/1-4/29 (Jerry McWilliams); one late bird 5/22 (Ben Coulter). |
| Glaucous Gull | 2006-2007 | Dec-Feb | Bucks | Present beginning 12/14 at Tullytown (Sandra Keller) |
| Glaucous Gull | 2006-2007 | Dec-Feb | Erie | One at Presque Isle 12/14 and up to three at Presque Isle and the Erie Landfill 1/21 and 2/27 (Jerry McWilliams). |
| Glaucous Gull | 2006-2007 | Dec-Feb | Allegheny | Three birds the first of which on 2/8 provided a first county record (Dan Yagusic Dave Wilton Geoff Malosh) |
| Glaucous Gull | 2007 | Mar-May | Berks | one at L. Ontelaunee 3/17 (Rudy Keller) |
| Glaucous Gull | 2007 | Mar-May | Bucks | one at Peace Valley Park 3/3 (Ken Rieker August Mirabella) |
| Glaucous Gull | 2007 | Mar-May | Erie | 2 at the Erie landfill & Presque Isle S.P. 3/2-4/5 (Jerry McWilliams) 5 at Presque Isle S.P. 4/6 and 4/8 (Jerry McWilliams) |
| Glaucous Gull | 2007 | Mar-May | Northampton | a first winter bird at Green Pond 4/19-4/29 (Dave DeReamus). |
| Glaucous Gull | 2007-2008 | Dec-Feb | Bucks | Present beginning 12/21 at Tullytown (Tom Johnson) |
| Glaucous Gull | 2007-2008 | Dec-Feb | Erie | Four or more present 12/15 through the season at Presque Isle SP and Lake View Landfill (Jerry McWilliams, Ben Coulter). |
| Glaucous Gull | 2007-2008 | Dec-Feb | Crawford | One reported 12/15 on PABIRDS listserv |
| Glaucous Gull | 2007-2008 | Dec-Feb | Allegheny | A first winter bird on the Allegheny River in Pittsburgh, 12/18 (Dan Yagusic) |
| Glaucous Gull | 2008 | Aug-Nov | Erie | first reported 11/23 (Jerry McWilliams) |
| Glaucous Gull | 2008 | Aug-Nov | Lancaster | one on the Susquehanna R. below Columbia 11/30 (Bruce Carl, Eric Witmer). |
| Glaucous Gull | 2008 | Aug-Nov | Allegheny | one probable adult at Pittsburgh 11/29 (John Fedak) |
| Glaucous Gull | 2008 | Aug-Nov | Crawford | one at the Pymatuning Goose Management Area 11/2-9 (Ron Leberman) |
| Glaucous Gull | 2008-2009 | Dec-Feb | Erie | two on Erie CBC 12/20 |
| Glaucous Gull | 2008-2009 | Dec-Feb | Bucks | one at Falls Twp. Community Park 12/6 (Bob Cunningham), eight on Southern Bucks CBC 12/20, and one at Churchville Reservoir Park 2/12 (Bill Keim) |
| Glaucous Gull | 2008-2009 | Dec-Feb | York | one at Codorus SP 2/19, possible first county record (Peter Robinson). |
| Glaucous Gull | 2008-2009 | Dec-Feb | Philadelphia | one on Delaware R. at Rhawn St. 12/30 (Frank Windfelder) |
| Glaucous Gull | 2009 | Mar-May | Chester | one at the Southern Chester County Refuse Authority 3/5 (Andrew Leidig, Kevin Fryberger, Holly Merker) |
| Glaucous Gull | 2009 | Jun-Jul | Bucks | One at Penn Warner Tract 6/12 provided a new spring late date, assuming it was actually still going north (Devich Farbotnik) |
| Glaucous Gull | 2009 | Aug-Nov | Bucks | one at the Penn-Warner Tract 11/15 (Devich Farbotnik). |
| Glaucous Gull | 2009 | Jun-Jul | Erie | Gull Point at Presque Isle State Park 6/24 (Julie Dell). |
| Glaucous Gull | 2009 | Mar-May | Erie | 3 or 4 at the Lakeview Landfill 3/2 (Jerry McWilliams), one off the east pier 3/10 (Jerry McWilliams). |
| Glaucous Gull | 2009 | Mar-May | Bucks | at least one remained through May at the Penn-Warner Tract (Devich Farbotnik) |
| Glaucous Gull | 2009-2010 | Dec-Feb | Armstrong | one at Kittanning 2/14 provided a first county record (Margaret and Roger Higbee) |
| Glaucous Gull | 2009-2010 | Dec-Feb | Berks | one at Blue Marsh Lake 1/5 (Joan Silagy) |
| Glaucous Gull | 2009-2010 | Dec-Feb | Lancaster | One on the Susquehanna River at Long Level 12/28 (Chuck Chalfont). |
| Glaucous Gull | 2009-2010 | Dec-Feb | Erie | 3 present at the Lakeview Landfill and Presque Isle StatePark during the season (Jerry McWilliams). |
| Glaucous Gull | 2009-2010 | Dec-Feb | Bucks | 3 at Morrisville Levee 1/17 (Bill Keim, Steve Walker), 3 at Falls Twp. Community Park 1/30 (Harvey Tomlinson), highest count at Penn-Warner Tract was 2 on 12/30 (Bill Keim) |
| Glaucous Gull | 2009-2010 | Dec-Feb | Erie | as many as nine during the season at Lake View landfill and Presque Isle |
| Glaucous Gull | 2010 | Aug-Nov | Crawford | one at the Pymatuning Goose Management Area 10/30 was very early (Ron Leberman). |
| Glaucous Gull | 2010 | Mar-May | Bucks | one at Shady Brook Farm 3/30 (BillKeim) and the last for the season was at the Penn-Warner Tract 4/10 (Devich Farbotnik) |
| Glaucous Gull | 2010 | Mar-May | Crawford | one at Jamestown State Park 3/15 (Scott Kinzey) |
| Glaucous Gull | 2010-2011 | Dec-Feb | Bucks | first noted at Falls Township Community Park 12/9 (Bob Cunningham) and seen periodically in the county through the season |
| Glaucous Gull | 2010-2011 | Dec-Feb | Chester | a first cycle bird at Struble Lake 12/16 (Larry Lewis, Kathleen Pileggi) |
| Glaucous Gull | 2010-2011 | Dec-Feb | Erie | at least nine different individuals were reported 12/7 through the end of the period in Presque Isle Bay (Jerry McWilliams). |
| Glaucous Gull | 2011 | Mar-May | Bucks | present at the Penn-Warner Tract 4/5-23 with a high count of 6 on 4/5, one there also on 5/17 (Devich Farbotnik) |
| Glaucous Gull | 2011 | Mar-May | Erie | up to four at Presque Isle State Park 4/2-5/19 (Joao Tavares, Mike Weible, Jerry McWilliams). |
| Glaucous Gull | 2011 | Aug-Nov | Bucks | one at the Penn-Warner Tract 11/22 (Devich Farbotnik) |
| Glaucous Gull | 2011 | Aug-Nov | Erie | one imm. at Sunset Point 11/30 (Jerry McWilliams). |
| Glaucous Gull | 2011-2012 | Dec-Feb | Berks | See County report |
| Glaucous Gull | 2011-2012 | Dec-Feb | Bucks | See County report |
| Glaucous Gull | 2011-2012 | Dec-Feb | Chester | See County report |
| Glaucous Gull | 2011-2012 | Dec-Feb | Dauphin | See County report |
| Glaucous Gull | 2011-2012 | Dec-Feb | Crawford | See County report |
| Glaucous Gull | 2011-2012 | Dec-Feb | Erie | See County report |
| Glaucous Gull | 2011-2012 | Dec-Feb | Lebanon | See County report |
| Glaucous Gull | 2011-2012 | Dec-Feb | Philadelphia | See County report |
| Glaucous Gull | 2012 | Mar-May | Northampton | one at Nazareth Quarry 3/17 (Michael Schall, Corinne Campbell Schall), one (perhaps the same bird) at Nazareth Quarry 4/1 (Michael Schall, Corinne Campbell Schall). |
| Glaucous Gull | 2012 | Mar-May | Bucks | one at Morrisville 4/19 (Nick Delo) |
| Glaucous Gull | 2012 | Mar-May | Erie | five at Presque Isle between 3/3 and 5/7 (Jerry McWilliams) |
| Glaucous Gull | 2012-2013 | Dec-Feb | Berks | |
| Glaucous Gull | 2012-2013 | Dec-Feb | Bucks | See Local Notes |
| Glaucous Gull | 2012-2013 | Dec-Feb | Erie | See Local Notes |
| Glaucous Gull | 2012-2013 | Dec-Feb | Lancaster | See Local Notes |
| Glaucous Gull | 2012-2013 | Dec-Feb | Lebanon | See Local Notes |
| Glaucous Gull | 2012-2013 | Dec-Feb | Somerset | See Local Notes |
| Glaucous Gull | 2013 | Mar-May | Bucks | last was one adult at the Penn-Warner Tract 4/13 (Devich Farbotnik) |
| Glaucous Gull | 2013 | Mar-May | Erie | up to 15 during the season at Presque Isle State Park, last 5/4 (Jerry McWilliams, m.ob.) |
| Glaucous Gull | 2013 | Mar-May | Lebanon | one continued at Lion's Lake from the winter up to 3/3 (Chris Bortz, m.ob.). |
| Glaucous Gull | 2014 | Mar-May | Berks | one at Breneman's Quarry 3/11 (Matt Wlansniewski) |
| Glaucous Gull | 2014 | Mar-May | Allegheny | an adult continued from the winter season to 3/5 at Pittsburgh (Shannon Thompson, Geoff Malosh, et al.) and a first winter bird was last reported 3/7 (Andy Keister) |
| Glaucous Gull | 2014 | Mar-May | Philadelphia | one seen in flight at the Naval Business Center 5/8 (George Armistead). |
| Glaucous Gull | 2014 | Mar-May | Bucks | one at the Penn-Warner Tract 3/13 (Tom Johnson) and 4/15 (Devich Farbotnik) |
| Glaucous Gull | 2014 | Mar-May | Dauphin | one at Marysville 3/30 (Alex Lamoreaux, et al.) |
| Glaucous Gull | 2014 | Mar-May | Erie | up to 14 during the season at Presque Isle State Park and the Lakeview Landfill (Ed Kwater, Mike Weible, Jerry McWilliams) |
| Glaucous Gull | 2014 | Mar-May | Lancaster | one on the Susquehanna River below Safe Harbor Dam 3/8 (Tom Raub) |
| Glaucous Gull | 2014-2015 | Dec-Feb | Lancaster | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | Philadelphia | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | York | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | Northampton | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | Allegheny | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | Beaver | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | Berks | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | Bucks | See Local Notes |
| Glaucous Gull | 2014-2015 | Dec-Feb | Erie | See Local Notes |
| Glaucous Gull | 2015 | Mar-May | Lancaster | one on the Susquehanna River 3/7-10 (Rob Dickerson, Ian Garner, Chad Kauffman, m.ob) |
| Glaucous Gull | 2015 | Mar-May | Erie | a total of 18 for the season through 5/2 (Jerry McWilliams, et al.) |
| Glaucous Gull | 2015 | Mar-May | Crawford | one at the Pymatuning Causeway 3/27 (Ron Leberman) and one at Pymatuning 4/16 (Glenn Koppel, Mary Alice Koeneke) |
| Glaucous Gull | 2015 | Mar-May | Allegheny | continued from the winter to 3/11 (Amy Henrici, Pat McShea) |
| Glaucous Gull | 2015 | Mar-May | Lycoming | one at Williamsport 3/24 (David Brown) |
| Glaucous Gull | 2015 | Mar-May | Washington | one at Charleroi 3/6 (Roy Ickes), first county record. |
| Glaucous Gull | 2015 | Mar-May | Bucks | eight reports through 5/2 (m.ob.) |
| Glaucous Gull | 2016 | Mar-May | Bucks | one in Morrisville 3/23 (Barbara Bennett), one at the Penn-Warner Tract 4/2 and 5/7 (Devich Farbotnik) |
| Glaucous Gull | 2016 | Mar-May | Erie | one at Presque Isle State Park 3/5 (Randy Stringer) and one there 5/8 (Kevin Parsons, ph.). |
| Glaucous Gull | 2017 | Mar-May | Bucks | one reported at two sites, last at Penn-WarnerTract 4/15 (Devich Farbotnik) |
| Glaucous Gull | 2017 | Mar-May | Erie | one at Presque Isle SP 5/4 (Mary Birdsong) |
| Glaucous Gull | 2017 | Mar-May | Northampton | one at Grand Central Landfill 3/3 (Michael Schall). |
| Glaucous Gull | 2018 | Aug-Nov | Bucks | one at Nockamixon SP 11/30 (Paul Cooper). |
| Glaucous Gull | 2018 | Mar-May | Bucks | 2 at the Penn-Warner Tract 4/21 (Devich Farbotnik) |
| Glaucous Gull | 2018 | Mar-May | Crawford | one at the Pymatuning Causeway 3/25 (Ron Leberman) |
| Glaucous Gull | 2018 | Mar-May | Philadelphia | one at the Delaware River Trail (George Armistead), one at John Heinz NWR at Tinicum (Frank Windfelder, et al.). |
| Glaucous Gull | 2018 | Mar-May | Erie | a few at Presque Isle SP 3/8-4/20 (Jerry McWilliams, Mary Birdsong) |
| Glaucous Gull | 2018 | Mar-May | Lackawanna | one at Lake Scranton 3/4 (David Trently) |
| Glaucous Gull | 2019 | Mar-May | Northampton | 2 at Grand Central Landfill 3/14 (Michael Schall). |
| Glaucous Gull | 2019 | Aug-Nov | Beaver | one at mouth of the Beaver River and nearby 11/21-30 (Mark Vass). |
| Glaucous Gull | 2019 | Mar-May | Crawford | 4 at Pymatuning Causeway 3/2 (Ron Leberman), one at Pymatuning Dam 3/8 (Michael Williams), one there 3/9 (Mary Elsenheimer, Glenn Koppel, Mary Alice Koeneke, Liz Spence), one at Causeway 3/8 and 3/14 (Michael Williams) and one at Pymatuning Spillway 3/12 |
| Glaucous Gull | 2019 | Mar-May | Erie | singles at Presque Isle SP 3/23 and 3/31 (Shannon Thompson) |
| Glaucous Gull | 2019 | Mar-May | Mercer | one at Shenango Propagation Area 3/11 and 3/17 (Michael Williams, Bill Winkler) |
| Glaucous Gull | 2020 | Mar-May | Bucks | one at Penn-Warner Tract 4/20-5/8 (Devich Farbotnik, Andrew Harrington) |
| Glaucous Gull | 2020 | Mar-May | Delaware | one at Governor Printz Park 4/19 (Robert Karchnyak) |
| Glaucous Gull | 2020 | Mar-May | Erie | five at Presque Isle SP the first week of March (m.ob.) |
| Glaucous Gull | 2020 | Mar-May | Philadelphia | Singles were at Delaware River Trail 3/29 and FDR Park 4/12 (George Armistead, Liam Hart). |
| Glaucous Gull | 2021 | Mar-May | Erie | present early March and in May (Jerry McWilliams, Justin Berkheimer). |
| Glaucous Gull | 2021 | Aug-Nov | Erie | one at south pier at Presque Isle 11/28 (Sara Busch). |
| Glaucous Gull | 2022 | Mar-May | Bucks | immature at Penn-Warner Tract 3/23 (Mark Gallagher), single birds at the same location 4/23 (Devich Farbotnik) and 4/25 (Andrew Harrington) |
| Glaucous Gull | 2022 | Mar-May | Chester | immature at the Southeastern Chester County Refuse Authority 4/1 (Kevin Fryberger) |
| Glaucous Gull | 2022 | Mar-May | Erie | one at Presque Isle SP 3/17 (Sam Meigs), 3/22-23 (Sam Meigs, Jerry McWilliams), two 3/28 (Sam Meigs), one 3/31 (Jerry McWilliams, Sam Meigs), and three 4/2 (Jerry McWilliams). |
| Glaucous Gull | 2023 | Mar-May | Bucks | one at the Penn-Warner Tract 4/15-5/20 (Devich Farbotnik, Eric Zawatski) |
| Glaucous Gull | 2023 | Mar-May | Erie | single birds the first half of March at Presque Isle State Park (Kendall Zook, Jerry McWilliams). |
| Glaucous Gull | 2023 | Aug-Nov | Erie | one at Sunset Point 11/28 (Jerry McWilliams). |