This is a database of articles published in Pennsylvania Birds since its inception (1987). This list will tell you the Issue and Page on which the article begins. Click on the Issue and it will take you to the Issue in which it is located. Then you must page to the article. Note: Articles from issues less than two years old are not available online (except to members). The issues can be purchased, however. See PSO Sales.
The Issue number is three digits; the first two are the Volume (01, 12, 22, etc.) and the last digit is the Issue Number (1 through 4). 014 = Volume 1 Number 4; 232 = Volume 23 Number 2, etc.
Although all content in Pennsylvania Birds is copyrighted, you are free to use any of the materials as long as Pennsylvania Birds is cited as the source.
For a list of previous issues, go to Back Issues.
Index by Title
Click on the Issue number to go to the issue
| 104 Upland Sandpipers in Mercer County | Issue: 032 | Page: 54 |
| 12:15 PM, "It Must be a Cattle Egret" | Issue: 022 | Page: 48 |
| 1987 Pennsylvania Big Day...A new State Record | Issue: 012 | Page: 35 |
| 2021 Big Day for Birds! | Issue: 352 | Page: 80 |
| 3857 Raptors and SO MUCH MORE! | Issue: 031 | Page: 12 |
| ABC Guide to the 500 most important IBAs | Issue: 191 | Page: 9 |
| Abundance and Timing of Raptors During Spring Migration at Hawk Mountain, Pennsylvania, 1969 to 2016 | Issue: 304 | Page: 188 |
| Acceptance of Barnacle Goose to the Official List of the Birds of Pennsylvania | Issue: 224 | Page: 194 |
| Adventures of George Sutton, The | Issue: 134 | Page: 166 |
| Alan Brady: Personality Profile | Issue: 083 | Page: 141 |
| Alcid Records in Pennsylvania | Issue: 134 | Page: 172 |
| Almost Stilted Over a Reclusive Stilt | Issue: 062 | Page: 66 |
| American Avocet, Erie County | Issue: 032 | Page: 57 |
| American Kestrel nest box numbers from 2019 | Issue: 334 | Page: 222 |
| American Kestrel nest box numbers from 2020 | Issue: 344 | Page: 222 |
| American Kestrel Nest Box Projects in Pennsylvania - Results from the 2018 season | Issue: 331 | Page: 25 |
| American Kestrel Nesting Box Project in Warren County | Issue: 034 | Page: 132 |
| American Tree Sparrows in Pennsylvania (Part 1), Speculations on a 15-year decline, 1973-1987 | Issue: 033 | Page: 90 |
| American Tree Sparrows in Pennsylvania (Part 2), Large Fluctuations add another Mystery | Issue: 034 | Page: 122 |
| American Woodcock Habitat Survey | Issue: 093 | Page: 123 |
| An Accounting of Large Starling and Blackbird Flocks in Pennsylvania and Regionally | Issue: 301 | Page: 2 |
| An Exciting Afternoon with a Gyrfalcon in Northhampton County November 11, 2018 | Issue: 332 | Page: 88 |
| An unusual American Goldfinch nest in a corn plant | Issue: 241 | Page: 33 |
| Anhinga Church Farm School Pond, Exton, Chester County | Issue: 202 | Page: 64 |
| Anhinga, Delaware County | Issue: 122 | Page: 62 |
| Anhinga, Montgomery County | Issue: 102 | Page: 93 |
| Annotated List of Cumberland County Birds | Issue: 303 | Page: 138 |
| Annotated List of the Birds of Pennsylvania | Issue: 194 | Page: 197 |
| Annotated List of the Field-identifiable and Non-field-identifiable Bird Subspecies and Morphs of Pennsylvania, An | Issue: 114 | Page: 178 |
| Another Big Year Attempt | Issue: 044 | Page: 178 |
| Another Sooty Tern from Hurricane Fran | Issue: 142 | Page: 109 |
| Another Unique Rail Specimen from Southwestern Pennsylvania: a Clapper Rail | Issue: 031 | Page: 14 |
| Answer to Photo Quiz #13 | Issue: 203 | Page: 123 |
| Answer to Photo Quiz #29 | Issue: 244 | Page: 186 |
| Answer to Photo- Quiz #14 | Issue: 204 | Page: 176 |
| Appalachian Spring | Issue: 052 | Page: 58 |
| Appalachian Spring | Issue: 052 | Page: 70 |
| Applied Ecology | Issue: 012 | Page: 37 |
| Arctic Tern, Berks County | Issue: 122 | Page: 62 |
| Arctic Tern, Bucks County | Issue: 102 | Page: 93 |
| Arctic Terns at Dashields Dam, Allegheny County | Issue: 242 | Page: 74 |
| Arctic Terns in Carbon County | Issue: 032 | Page: 56 |
| Arctic Terns in Elk County | Issue: 262 | Page: 90 |
| Arrival Dates of Eastern Phoebe in Pennsylvania, 1987 - 2007 | Issue: 222 | Page: 96 |
| Ash-throated Flycatcher in Lebanon County | Issue: 234 | Page: 188 |
| Ash-throated Flycatcher, Northampton County | Issue: 114 | Page: 224 |
| Atlas of Breeding Birds in Pennsylvania, Book Review | Issue: 064 | Page: 140 |
| Atlasing Along RoaringRun, Lycoming County | Issue: 022 | Page: 54 |
| Attempted Nesting of Three Species of Laridae at Presque Isle State Park | Issue: 092 | Page: 79 |
| Autumn Rain | Issue: 044 | Page: 134 |
| Autumn Raptor Migration Summary 1987 | Issue: 014 | Page: 143 |
| Autumn Raptor Migration Summary 1988 | Issue: 024 | Page: 158 |
| Autumn Raptor Migration Summary 1989 | Issue: 034 | Page: 158 |
| Autumn Raptor Migration Summary 1990 | Issue: 044 | Page: 173 |
| Autumn Raptor Migration Summary 1991 | Issue: 054 | Page: 187 |
| Autumn Raptor Migration Summary 1992 | Issue: 064 | Page: 181 |
| Autumn Raptor Migration Summary 1993 | Issue: 081 | Page: 54 |
| Autumn Raptor Migration Summary 1994 | Issue: 092 | Page: 73 |
| Autumn Raptor Migration Summary 1995 | Issue: 094 | Page: 193 |
| Autumn Raptor Migration Summary 1996 | Issue: 104 | Page: 207 |
| Autumn Raptor Migration Summary 1997 | Issue: 114 | Page: 210 |
| Autumn Raptor Migration Summary 1998 | Issue: 124 | Page: 170 |
| Autumn Raptor Migration Summary 1999 | Issue: 134 | Page: 190 |
| Autumn Raptor Migration Summary 2000 | Issue: 144 | Page: 210 |
| Autumn Raptor Migration Summary 2001 | Issue: 154 | Page: 218 |
| Autumn Raptor Migration Summary 2002 | Issue: 163 | Page: 162 |
| Autumn Raptor Migration Summary 2003 | Issue: 174 | Page: 269 |
| Autumn Raptor Migration Summary 2004 | Issue: 184 | Page: 223 |
| Autumn Raptor Migration Summary 2005 | Issue: 194 | Page: 198 |
| Autumn Raptor Migration Summary 2006 | Issue: 204 | Page: 177 |
| Autumn Raptor Migration Summary 2007 | Issue: 214 | Page: 168 |
| Autumn Raptor Migration Summary 2008 | Issue: 224 | Page: 200 |
| Autumn Raptor Migration Summary 2009 | Issue: 234 | Page: 178 |
| Autumn Raptor Migration Summary 2010 | Issue: 244 | Page: 168 |
| Autumn Raptor Migration Summary 2011 | Issue: 254 | Page: 190 |
| Autumn Raptor Migration Summary 2012 | Issue: 264 | Page: 196 |
| Autumn Raptor Migration Summary 2013 | Issue: 274 | Page: 191 |
| Autumn Raptor Migration Summary 2014 | Issue: 284 | Page: 199 |
| Autumn Raptor Migration Summary 2015 | Issue: 294 | Page: 193 |
| Autumn Raptor Migration Summary 2016 | Issue: 304 | Page: 199 |
| Autumn Raptor Migration Summary 2017 | Issue: 314 | Page: 204 |
| Autumn Raptor Migration Summary 2018 | Issue: 324 | Page: 199 |
| Autumn Raptor Migration Summary 2019 | Issue: 334 | Page: 230 |
| Autumn Raptor Migration Summary 2020 | Issue: 344 | Page: 214 |
| Autumn Raptor Migration Summary 2021 | Issue: 354 | Page: 213 |
| Autumn Raptor Migration Summary 2022 | Issue: 364 | Page: 209 |
| Avian Architecture and What the Robin Knows | Issue: 262 | Page: 82 |
| Avian Conservation Plan for the Slippery Creek Watershed | Issue: 283 | Page: 148 |
| Avian Ecology and Conservation: A Pennsylvania Focus with National Implications | Issue: 243 | Page: 135 |
| Bahama Woodstar in Lancaster County | Issue: 272 | Page: 78 |
| Band-rumped Storm-Petrel (Oceanodroma castro) Found on the Shore of Lake Erie in Pennsylvania, A | Issue: 123 | Page: 127 |
| Band-rumped Storm-petrel Bald Eagle State Park, Centre County, Pennsylvania, 9/20/03 | Issue: 174 | Page: 265 |
| Banded Hummingbirds | Issue: 193 | Page: 161 |
| Banding Records from Pennsylvania - Part 3 - Flycatchers | Issue: 072 | Page: 46 |
| Banding Records from Pennsylvania - Part 4 - Waders | Issue: 073 | Page: 84 |
| Banding Records from Pennsylvania - Part 5 - Loons, Grebes, and Cormorants | Issue: 163 | Page: 157 |
| Banding Records from Pennsylvania - Part 6 - Corvids | Issue: 171 | Page: 41 |
| Banding Records from Pennsylvania - Raptors | Issue: 062 | Page: 48 |
| Banding Records from Pennsylvania Part Two - Vireos | Issue: 063 | Page: 101 |
| Barred Owl Note | Issue: 121 | Page: 9 |
| Barred Owl Note | Issue: 123 | Page: 132 |
| Behavior Notes, A Sharp-shinned Duck Hawk? | Issue: 082 | Page: 96 |
| Behavior Notes, Am. Woodcock Carrying Young | Issue: 082 | Page: 96 |
| Behavior Notes, House Finches | Issue: 082 | Page: 96 |
| Behavior Notes, Yellow-crowned Night-Heron | Issue: 082 | Page: 95 |
| Behavior of an American Bittern in Response to a Fox | Issue: 094 | Page: 191 |
| Behavioral Observations - American Crow | Issue: 074 | Page: 122 |
| Belated Report of Northern Gannet in Warren County | Issue: 213 | Page: 133 |
| Better Birding: Tips, Tools, and Concepts for the Field - Book Review | Issue: 311 | Page: 14 |
| Big Day 1988 - Bucks County | Issue: 022 | Page: 50 |
| Big Day 1988 - Centre County | Issue: 022 | Page: 50 |
| Big Day 1988 - York County | Issue: 022 | Page: 50 |
| Big Day 1989 A New Pennsylvania Record | Issue: 032 | Page: 49 |
| Big Day for Birds! | Issue: 363 | Page: 164 |
| Big Ma Ma | Issue: 021 | Page: 9 |
| Bird Banding at Presque Isle State Park | Issue: 121 | Page: 7 |
| Bird Misidentification | Issue: 141 | Page: 15 |
| Bird-Kite Encounters | Issue: 094 | Page: 194 |
| Birder's Guide to Pennsylvania: Book Review | Issue: 104 | Page: 213 |
| Birding at the Hershey Medical Center | Issue: 023 | Page: 90 |
| Birding can be a Dirty Business | Issue: 092 | Page: 64 |
| Birding Ethics | Issue: 063 | Page: 100 |
| Birding in Big (Kishacoquillas)Valley, Mifflin County | Issue: 192 | Page: 80 |
| Birding in PA Goes Electronic | Issue: 132 | Page: 82 |
| Birding in Wayne County | Issue: 013 | Page: 74 |
| Birding in Western Pennsylvania: Book review | Issue: 103 | Page: 148 |
| Birding the Mundane and Finding the Rare... First Record of a Pacific-slope Flycatcher East of the Mississippi | Issue: 044 | Page: 135 |
| Birds of Bear Meadows, Centre County | Issue: 184 | Page: 214 |
| Birds of Bucks County: Book Review | Issue: 123 | Page: 129 |
| Birds of Central Pennsylvania - Book Review | Issue: 244 | Page: 187 |
| Birds of Delaware County, Pennsylvania, BOOK REVIEW | Issue: 133 | Page: 127 |
| Birds of Eastern North America: A Photographic Guide | Issue: 241 | Page: 25 |
| Birds of Erie County | Issue: 013 | Page: 76 |
| Birds of Hawaii, New Zealand, and the Central and West Pacific | Issue: 274 | Page: 197 |
| BIRDS OF MAINE by Peter D. Vickery | Issue: 354 | Page: 227 |
| Birds of North America and Greenland | Issue: 274 | Page: 197 |
| Birds of Ohio - Book Review | Issue: 041 | Page: 3 |
| Birds of Pennsylvania, The - Sneak Preview | Issue: 133 | Page: 128 |
| Birds of Pennsylvania, The; BOOK REVIEW | Issue: 141 | Page: 13 |
| Birds of Pennsylvania: Review | Issue: 192 | Page: 113 |
| Birds of Prey of the East: A Field Guide | Issue: 322 | Page: 84 |
| Birds of Prey of the West: A Field Guide | Issue: 322 | Page: 84 |
| Birds of South America: Passerines - Book Review | Issue: 304 | Page: 208 |
| Birds of the Central Susquehanna Valley | Issue: 024 | Page: 132 |
| Birds of the Lehigh Valley and Vicinity | Issue: 283 | Page: 154 |
| Birds of The Lehigh Valley and Vicinity: BOOK REVIEW | Issue: 163 | Page: 169 |
| Birds of Western North America: A Photographic Guide | Issue: 241 | Page: 25 |
| Birdwatcher: The Life of Roger Tory Peterson | Issue: 231 | Page: 30 |
| Black Guillemot (Berks) | Issue: 134 | Page: 197 |
| Black Rail in Berks County | Issue: 132 | Page: 80 |
| Black Rail Lebanon County | Issue: 082 | Page: 89 |
| Black Skimmer - Delaware County | Issue: 184 | Page: 219 |
| Black Vulture (Coragyps atratus) Nesting in Lebanon County | Issue: 203 | Page: 127 |
| Black-and-white Warbler Nest, Venango County | Issue: 032 | Page: 51 |
| Black-backed Woodpecker, Pike County | Issue: 152 | Page: 88 |
| Black-capped Chickadee Irruptions in Pennsylvania. | Issue: 173 | Page: 174 |
| Black-capped Petrel, Butler and Somerset Counties | Issue: 103 | Page: 152 |
| Black-headed Grosbeak Lancaster County | Issue: 171 | Page: 36 |
| Black-legged Kittiwake, Montour County | Issue: 074 | Page: 135 |
| Black-throated Gray Warbler Berks County | Issue: 111 | Page: 20 |
| Black-throated Gray Warbler in Cumberland County | Issue: 234 | Page: 188 |
| Blue Grosbeak, Fourth County Record for Northampton County | Issue: 053 | Page: 120 |
| Blue Jays and Russian Roulette | Issue: 053 | Page: 116 |
| Bluebird Effect: Uncommon Bonds with Common Birds, The | Issue: 263 | Page: 147 |
| Bohemian Waxwing, Allegheny and Erie Counties | Issue: 074 | Page: 134 |
| Bonaparte's Gull Migration in Southwestern Pennsylvania - Understanding "The April 10 Effect" | Issue: 202 | Page: 67 |
| Book Review: Bird Brain: An Exploration of Avian Intelligence | Issue: 312 | Page: 78 |
| Book Review: BIRD LOVE: The Family Life of Birds | Issue: 341 | Page: 20 |
| Book Review: BIRDS IN WINTER: Surviving the Most Challenging Season | Issue: 342 | Page: 81 |
| Book Review: Birds of Chile: A Photo Guide | Issue: 331 | Page: 27 |
| Book Review: BIRDS OF VENANGO COUNTY: The status, distribution, and history of the birds of Pennsylvania's Oil Region | Issue: 343 | Page: 151 |
| Book Review: FAR FROM LAND: The Mysterious Lives of Seabirds | Issue: 334 | Page: 238 |
| Book Review: GULLS SIMPLIFED: A Comparative Approach to Identfication | Issue: 352 | Page: 83 |
| Book Review: How to Be an Urban Birder | Issue: 333 | Page: 170 |
| Book Review: Learning the Birds: A Midlife Adventure | Issue: 362 | Page: 87 |
| Book Review: LISTENING TO A CONTINENT SING: Birdsong by Bicycle from the Atlantic to the Pacific | Issue: 332 | Page: 97 |
| Book Review: Waterfowl of North America, Europe, and Asia | Issue: 313 | Page: 148 |
| Bounty Law, The | Issue: 031 | Page: 13 |
| Brant Flight -Weather Related Observations in Erie, Crawford, and Somerset Counties | Issue: 104 | Page: 231 |
| Breeding Bird Survey - Fifty 3-minute counts at one location | Issue: 102 | Page: 46 |
| Breeding Dickcissel Behavior | Issue: 083 | Page: 139 |
| Breeding Ruddy Duck and Pied-billed Grebe in Northampton County | Issue: 273 | Page: 144 |
| Breeding Season Record of a Short-eared Owl Clearfield Co. | Issue: 072 | Page: 53 |
| Breeding Success of American Kestrels Nesting in Boxes in Eastern Pennsylvania, 1987-1994 | Issue: 113 | Page: 138 |
| Brewer's Blackbird, Erie County | Issue: 044 | Page: 142 |
| Brewer's Blackbird, Huntingdon County | Issue: 051 | Page: 25 |
| Brewer's Blackbird, Northampton County | Issue: 044 | Page: 143 |
| Brumbaugh Homestead | Issue: 011 | Page: 2 |
| Brush Mountain Notebook | Issue: 023 | Page: 90 |
| Bullock's Oriole (Icterus bullockii) in Juniata County | Issue: 214 | Page: 166 |
| Bullock's Oriole in Montgomery County | Issue: 251 | Page: 29 |
| Bullock's Oriole, Lancaster County | Issue: 141 | Page: 18 |
| Call the Answer Man! | Issue: 023 | Page: 94 |
| Can Nest Boxes be used to Effectively Manage Northern Saw-whet Owls in the Allegheny National Forest? | Issue: 351 | Page: 2 |
| Can You Hear Blue-winged Warblers? | Issue: 053 | Page: 114 |
| Carolina Wens at Pittsburgh, 1970-1988 | Issue: 031 | Page: 3 |
| Carolina Wrens in Pennsylvania | Issue: 222 | Page: 86 |
| Carr's Recreation Park, Berks: Site Guide | Issue: 103 | Page: 143 |
| Case of the Mystery Sharp-tailed Sparrow, The | Issue: 181 | Page: 2 |
| Casper and His Ghostly Friends Glaucous and Iceland Gulls in Northampton County | Issue: 131 | Page: 16 |
| Cave Swallow (Mercer) | Issue: 134 | Page: 198 |
| Cave Swallow (Petrochelidon fulva) at Roderick Wildlife Reserve, Erie County, PA 13 Nov 2005 | Issue: 194 | Page: 194 |
| Cave Swallow - Chester County | Issue: 184 | Page: 222 |
| Cave Swallow - First for Philadelphia County | Issue: 224 | Page: 215 |
| Cave Swallow Cumberland County | Issue: 163 | Page: 152 |
| Century of Birdlife in Berks County, Pennsylvania, A; Book Review | Issue: 121 | Page: 10 |
| Changes in Breeding Birds in Fort Washington State Park, Pennsylvania 1959-2003 | Issue: 182 | Page: 70 |
| Changes in Pennsylvania's Breeding Birds Since the First Atlas, According to the Breeding Bird Survey | Issue: 203 | Page: 118 |
| Changes in Pennsylvania's Breeding Birds Since the First Atlas, According to the Breeding Bird Survey (Addendum) | Issue: 204 | Page: 192 |
| Chase for a Sabine's | Issue: 224 | Page: 216 |
| Checklist of Birds for Lycoming and Clinton Counties | Issue: 093 | Page: 126 |
| Checklist of the Birds of Blair County | Issue: 084 | Page: 216 |
| Checklist of the Birds of Delaware County | Issue: 263 | Page: 140 |
| Chester County Big Year | Issue: 194 | Page: 192 |
| Christmas Bird Count in Pennsylvania, The 1992-1993 | Issue: 064 | Page: 152 |
| Christmas Bird Count in Pennsylvania, The 1994-1995 | Issue: 084 | Page: 183 |
| Christmas Bird Count in Pennsylvania, The 1995-1996 | Issue: 094 | Page: 170 |
| Christmas Bird Count in Pennsylvania, The 1996-1997 | Issue: 104 | Page: 186 |
| Christmas Bird Count in Pennsylvania, The 1997-1998 | Issue: 114 | Page: 192 |
| Christmas Bird Count in Pennsylvania, The 1998-1999 | Issue: 132 | Page: 64 |
| Christmas Bird Count in Pennsylvania, The 1999-2000 | Issue: 134 | Page: 173 |
| Christmas Bird Count in Pennsylvania, The 2000-2001 | Issue: 144 | Page: 194 |
| Christmas Bird Count in Pennsylvania, The 2001-2002 | Issue: 154 | Page: 202 |
| Christmas Bird Count in Pennsylvania, The 2002-2003 | Issue: 171 | Page: 6 |
| Christmas Bird Count in Pennsylvania, The 2003-2004 | Issue: 181 | Page: 8 |
| Christmas Bird Count in Pennsylvania, The 2004-2005 | Issue: 191 | Page: 35 |
| Christmas Bird Count in Pennsylvania, The 2005-2006 | Issue: 201 | Page: 7 |
| Christmas Bird Count in Pennsylvania, The 2006-2007 | Issue: 211 | Page: 2 |
| Christmas Bird Count in Pennsylvania, The 2007-2008 | Issue: 221 | Page: 20 |
| Christmas Bird Count in Pennsylvania, The 2008-2009 | Issue: 231 | Page: 9 |
| Christmas Bird Count in Pennsylvania, The 2009-2010 | Issue: 241 | Page: 8 |
| Christmas Bird Count in Pennsylvania, The 2010-2011 | Issue: 251 | Page: 9 |
| Christmas Bird Count in Pennsylvania, The 2011-2012 | Issue: 261 | Page: 2 |
| Christmas Bird Count in Pennsylvania, The 2012-2013 | Issue: 271 | Page: 2 |
| Christmas Bird Count in Pennsylvania, The 2013-2014 | Issue: 281 | Page: 7 |
| Christmas Bird Count in Pennsylvania, The 2014-2015 | Issue: 291 | Page: 9 |
| Christmas Bird Count in Pennsylvania, The 2015-2016 | Issue: 301 | Page: 10 |
| Christmas Bird Count in Pennsylvania, The 2016-2017 | Issue: 311 | Page: 2 |
| Christmas Bird Count in Pennsylvania, The 2017-2018 | Issue: 321 | Page: 13 |
| Christmas Bird Count in Pennsylvania, The 2018-2019 | Issue: 331 | Page: 14 |
| Christmas Bird Count in Pennsylvania, The 2019-2020 | Issue: 341 | Page: 9 |
| Christmas Bird Count in Pennsylvania, The 2020-2021 | Issue: 351 | Page: 5 |
| Christmas Bird Count in Pennsylvania, The 2021-2022 | Issue: 361 | Page: 2 |
| Christmas Bird Count in Pennsylvania, The 2022-2023 | Issue: 371 | Page: 2 |
| Christmas Bird Count in Pennsylvania, The1993-94 | Issue: 074 | Page: 137 |
| Chumming for Longspurs | Issue: 044 | Page: 137 |
| Cinnamon Teal, Lancaster County | Issue: 084 | Page: 218 |
| Clapper Rail in Pa. | Issue: 082 | Page: 88 |
| Clarification, A | Issue: 094 | Page: 192 |
| Clarion County Birdlist | Issue: 074 | Page: 123 |
| Clay-colored Sparrow, Erie County | Issue: 052 | Page: 71 |
| Cliff Swallows Use Artificial Nests at Center Bridge, Bucks County | Issue: 052 | Page: 55 |
| Clunky-shaped Bird, The | Issue: 112 | Page: 58 |
| Comments on 2016 Birding in PA | Issue: 304 | Page: 220 |
| Common Black-headed Gull in Erie County | Issue: 024 | Page: 130 |
| Common Black-headed Gull in Erie County | Issue: 032 | Page: 57 |
| Common Nighthawk Nest in Verona, Allegheny, Summer 2020, A | Issue: 343 | Page: 149 |
| Common Raven Nest in Cumberland County | Issue: 152 | Page: 90 |
| Common Tern recolonization attempt at Presque Isle - an update | Issue: 293 | Page: 152 |
| Conejohela Flats - Habitat in Danger | Issue: 083 | Page: 145 |
| Confessions of a Peregrine Addict | Issue: 213 | Page: 122 |
| Confirmed Nesting of N. Mockingbird in Lawrence | Issue: 083 | Page: 144 |
| Confirmed Nesting of Osprey in Centre and Clinton in 2018 | Issue: 331 | Page: 12 |
| Cooper's Hawk Utilizing Carrion | Issue: 084 | Page: 215 |
| Cooper's Hawk, banded in PA, recovered in New Brunswick | Issue: 141 | Page: 10 |
| Cory's Shearwater, Lycoming County | Issue: 103 | Page: 152 |
| Cory's Subspecies Determined | Issue: 104 | Page: 206 |
| County Listing | Issue: 031 | Page: 16 |
| Cowbird Dilemma, The | Issue: 064 | Page: 147 |
| Cowbird Nest Parasitism is no Problem for Hooded Warblers | Issue: 364 | Page: 207 |
| Crossley ID Guide: Eastern Birds, The | Issue: 253 | Page: 150 |
| Curious History of Black-headed Gull in Southwestern Pennsylvania, The | Issue: 341 | Page: 2 |
| Cyclical Pattern Detected in Northern Harrier Migration Counts at Some Pennsylvania Hawk Watches | Issue: 371 | Page: 9 |
| Dark Morph "Western" Red-tailed Hawk, Centre County | Issue: 061 | Page: 6 |
| Dark-morph Broad-winged Hawk, Delaware County | Issue: 093 | Page: 136 |
| Dark-morph Red-tailed Hawk, Northampton County | Issue: 051 | Page: 22 |
| Day on Dutch Mountain, A | Issue: 011 | Page: 3 |
| Dickcissels in Lawrence & Venango Counties | Issue: 082 | Page: 90 |
| Difficult Dowitcher in Beaver County, A | Issue: 204 | Page: 170 |
| Digiscoping: Adding a New Dimension to Birding | Issue: 173 | Page: 184 |
| Dinner for Two | Issue: 034 | Page: 134 |
| Discovery of a Blackpoll Warbler Nest | Issue: 083 | Page: 128 |
| Distribution Changes of Red-tailed Hawks in Pennsylvania and Regionally | Issue: 314 | Page: 193 |
| Documentation of Anna's Hummingbird in Berks County | Issue: 252 | Page: 81 |
| Documentation of Bicknell's Thrush for P.O.R.C. | Issue: 102 | Page: 47 |
| Documentation of Clay-colored Sparrow Breeding at Piney Tract, Clarion County | Issue: 132 | Page: 63 |
| Documenting Rare Birds in Pa. - Part 1 | Issue: 082 | Page: 63 |
| Documenting Rare Birds: What the Records Committee Needs | Issue: 142 | Page: 98 |
| Dream Birding | Issue: 024 | Page: 125 |
| Duck Stamps | Issue: 101 | Page: 12 |
| Early Arrival Dates for Eastern Phoebe 1987-1990 | Issue: 041 | Page: 17 |
| Early Late Osprey Flight, The | Issue: 042 | Page: 50 |
| Eastern Bluebird Nesting Success in Parkway Systems of Large Municipalities | Issue: 042 | Page: 45 |
| Eastern Pennsylvania Birding and Wildlife Guide | Issue: 233 | Page: 148 |
| Eastern Race of Palm Warbler in Erie County | Issue: 092 | Page: 66 |
| Effects of Climate Change on Bird Migration in Erie County | Issue: 332 | Page: 83 |
| End of a Free Lunch | Issue: 032 | Page: 51 |
| Eurasian Collared-Dove, Crawford County | Issue: 103 | Page: 155 |
| European Robin (Erithacus rubecula) in Bucks County | Issue: 291 | Page: 29 |
| Evidence for West Nile Virus-Related Avian Declines in Pennsylvania | Issue: 331 | Page: 2 |
| Evolution of a "Bird Pest" | Issue: 064 | Page: 148 |
| Examining the Christmas Bird Count in Pennsylvania, 1900-1995 | Issue: 112 | Page: 50 |
| Falcon wanderings: Daily Movements of Five Juvenile Peregrine Falcons | Issue: 183 | Page: 168 |
| Fall 2007: A Saw-whet Owl Flight of Historic Proportions | Issue: 214 | Page: 162 |
| Fall Shorebirding at Green Lane Reservoir, Montgomery County | Issue: 024 | Page: 131 |
| Fallout of Horned Grebes during a Snowstorm, A | Issue: 092 | Page: 61 |
| Field Guide to Non-birds, A | Issue: 063 | Page: 107 |
| Field List of the Birds of Western Pennsylvania and Adjacent Regions | Issue: 024 | Page: 132 |
| Fifty years of shorebirds at Shenango Reservoir, Mercer County, 1965-2015 | Issue: 293 | Page: 146 |
| Finding Sandhill Cranes in Western Pennsylvania | Issue: 073 | Page: 90 |
| Fine Art of Documentation, The | Issue: 041 | Page: 6 |
| First Breeding Colony of Herring Gulls in PA | Issue: 081 | Page: 34 |
| First Breeding Record of Sandhill Crane for Pennsylvania | Issue: 073 | Page: 91 |
| First confirmed breeding record of Virginia Rail in Allegheny County | Issue: 303 | Page: 136 |
| First Confirmed Evening Grosbeak Nest in Pa. | Issue: 083 | Page: 133 |
| First Confirmed Loggerhead Shrike Nesting in Pennsylvania Since 1934 | Issue: 062 | Page: 65 |
| First Confirmed Nesting of Common Raven in the Pocono Mountains, Monroe Co. | Issue: 072 | Page: 53 |
| First Confirmed Nesting of Prothonotary Warbler in Cumberland County | Issue: 333 | Page: 168 |
| First Documented Nesting Record for American Bittern (Botaurus lentginosus) for Sullivan County, Pennsylvania | Issue: 113 | Page: 145 |
| First Documented Nesting Records of Hooded Merganser in Berks County, PA | Issue: 142 | Page: 68 |
| First Documented Record of American Oystercatcher in Pennsylvania, Carbon Co. | Issue: 072 | Page: 51 |
| First Documented Record of Black-bellied Whistling-Ducks for Pennsylvania, Indiana & Westmoreland Cos. | Issue: 072 | Page: 50 |
| First Documented Record of Summering Winter Wrens in Philadelphia | Issue: 053 | Page: 119 |
| First Double-crested Cormorant Nesting in Pennsylvania | Issue: 103 | Page: 151 |
| First Live Great Gray Owl in the 20th Century, Warren County | Issue: 061 | Page: 10 |
| First Nesting Record of Ruddy Duck (Oxyura jamaicensis) in Berks County, Pennsylvania | Issue: 113 | Page: 142 |
| First Pennsylvania Breeding Record for Great Black-backed Gull - Tinicum Township, Delaware County | Issue: 203 | Page: 129 |
| First Pennsylvania Record of Ancient Murrelet, Berks County | Issue: 064 | Page: 143 |
| First Pennsylvania Record of Gray Kingbird | Issue: 191 | Page: 8 |
| First Pennsylvania Record of MacGillivray's Warbler | Issue: 191 | Page: 11 |
| First Pennsylvania Record of Mew Gull, Berks County | Issue: 061 | Page: 7 |
| First Pennsylvania Record of Pacific Loon, Erie County | Issue: 064 | Page: 144 |
| First Pennsylvania Record of Ross' Goose, Lancaster County | Issue: 051 | Page: 19 |
| First Record of Loggerhead Shrike since 1982 in Erie County | Issue: 051 | Page: 24 |
| First Record of Ross' Gull for Pa. York County | Issue: 082 | Page: 87 |
| First Record of Scott's Oriole for Pennsylvania | Issue: 211 | Page: 26 |
| First Record of Sedge Wren wintering in Pennsylvania | Issue: 191 | Page: 29 |
| First Sandhill Crane Sighting in Centre County | Issue: 112 | Page: 61 |
| First Successful Ring-billed Gull (Larus delawarensis) Nesting in Pennsylvania, The | Issue: 132 | Page: 62 |
| First Verifiable Pennsylvania Record of Le Conte's Sparrow, Westmoreland County | Issue: 054 | Page: 157 |
| First White-winged Dove Record for Pennsylvania, Erie County | Issue: 102 | Page: 95 |
| First Winter Record of Forster's Tern in Pennsylvania, Erie County | Issue: 051 | Page: 24 |
| Flame Crests of Winter | Issue: 041 | Page: 4 |
| Flycatcher in the Honeysuckle Bush, The | Issue: 114 | Page: 222 |
| Fork-tailed Flycatcher in Pennsylvania, A | Issue: 203 | Page: 128 |
| Fourth Pennsylvania and Fourth Lancaster County Record of Ross' Goose, Lancaster County | Issue: 061 | Page: 6 |
| Fox Sparrow Fallout Due To a Late Winter Storm | Issue: 212 | Page: 78 |
| Franklin's Gull, Lancaster County | Issue: 044 | Page: 139 |
| Fred Mears--Personality Profile | Issue: 024 | Page: 126 |
| Freeze! | Issue: 044 | Page: 145 |
| Frogs at the Knob | Issue: 014 | Page: 113 |
| From the files of PORC: Arctic Tern identification | Issue: 223 | Page: 152 |
| From the Files of PORC: Swainson's Hawk and Mississippi Kite Identification | Issue: 214 | Page: 160 |
| Future Breeders in Pa.? | Issue: 083 | Page: 138 |
| Future Breeders in Pa.? More Guesses | Issue: 084 | Page: 208 |
| Geobirding: Filling in the Data Gaps | Issue: 364 | Page: 204 |
| Gerald M. Mcwilliams - Personality Profile | Issue: 032 | Page: 55 |
| Glaucous-winged Gull in Pennsylvania, A | Issue: 361 | Page: 18 |
| Glossy Ibis in Dauphin County | Issue: 042 | Page: 50 |
| Grail Bird, The - Book Review | Issue: 203 | Page: 126 |
| Grassland Birding on Old Strip Mine Sites near Sligo, Clarion Co. PA | Issue: 193 | Page: 156 |
| Grassland Birds, Adams County | Issue: 023 | Page: 94 |
| Great Avian Depression II | Issue: 342 | Page: 72 |
| Great Avian Depression, The | Issue: 102 | Page: 61 |
| Great Blue Heron and Bald Eagle Nesting Update | Issue: 102 | Page: 58 |
| Great Blue Heron Catches Snake in January | Issue: 051 | Page: 7 |
| Great Blue Heron Five-Year Statewide Survey Results, 2007-08 | Issue: 223 | Page: 156 |
| Great Blue Heron Rookery on the Clarion River | Issue: 092 | Page: 66 |
| Great Blue Heron x Great Egret in Washington County | Issue: 182 | Page: 72 |
| Great Cormorants at Martins Creek, Northampton County, First County Record | Issue: 064 | Page: 145 |
| Great Dickcissel Flyway, The | Issue: 083 | Page: 146 |
| Great Milton Crow War, The | Issue: 024 | Page: 123 |
| Greater Sandhill Crane in Pennsylvania, The | Issue: 321 | Page: 3 |
| Greater Shearwater Puffinis gravis, Berks County, First Documented Record for Pennsylvania | Issue: 133 | Page: 126 |
| Greater White-fronted Goose Invasion of 2016, The | Issue: 302 | Page: 64 |
| Green Lane Reservoir/Upper Perkiomen Valley Parks, Site Guide, Montgomery County | Issue: 054 | Page: 148 |
| Green-tailed Towhee in Bucks County | Issue: 021 | Page: 7 |
| Green-tailed Towhee Juniata County | Issue: 163 | Page: 154 |
| Green-tailed Towhee, Montgomery County | Issue: 084 | Page: 218 |
| Guide to Gardening for Life in Southeastern Pennsylvania: Review | Issue: 193 | Page: 159 |
| Gull-billed Tern, Lancaster County | Issue: 083 | Page: 147 |
| Gull-billed Tern, Lancaster County | Issue: 103 | Page: 153 |
| Gulls of the World: A Photographic Guide | Issue: 324 | Page: 208 |
| Gypsy Moth Predators | Issue: 033 | Page: 95 |
| Habitat restoration for the federally endangered Great Lakes Piping Plover at Presque Isle State Park, Erie County, Pennsylvania | Issue: 281 | Page: 2 |
| Hammond's Flycatcher, Northampton County | Issue: 144 | Page: 237 |
| Harlequin Duck in Huntingdon County | Issue: 172 | Page: 107 |
| Harlequin Duck, Erie County | Issue: 032 | Page: 57 |
| Harold B. Morrin -- Personality Profile | Issue: 021 | Page: 11 |
| Harris' Sparrow, Franklin County | Issue: 034 | Page: 127 |
| Hawk at Play, A | Issue: 043 | Page: 96 |
| Hawk Mountain Incident, The (Townsend' Solitaire) | Issue: 034 | Page: 126 |
| Hawk Mountain Petrel": First Pennsylvania Record, but Which Species?, The " | Issue: 111 | Page: 2 |
| Hawk Watch - A Video Guide To Eastern Raptors: DVD REVIEW | Issue: 163 | Page: 171 |
| Hawk Watch Sites of Pennsylvania | Issue: 111 | Page: 8 |
| Hawks at a Distance | Issue: 252 | Page: 77 |
| Hawkwatch Report (Lancaster) | Issue: 061 | Page: 21 |
| Help Wanted: Volunteers for Wildlife Bird Projects | Issue: 054 | Page: 161 |
| Here's the B's | Issue: 012 | Page: 34 |
| Herring Gull Attacks Red-breasted Merganser | Issue: 044 | Page: 144 |
| Historical Records of Canada Jay (Perisoreus canadensis) in Pennsylvania | Issue: 353 | Page: 157 |
| History of Northern Bobwhites in Pennsylvania, A | Issue: 142 | Page: 58 |
| Hoary Redpoll, Lancaster County | Issue: 081 | Page: 18 |
| Home Hawkwatching and Much More: Quarantine Spring Birding | Issue: 342 | Page: 74 |
| How Many Birds Come to Your Feeder? | Issue: 074 | Page: 125 |
| How to be a Better Birder - Book Review | Issue: 264 | Page: 195 |
| How to Report Rare Birds | Issue: 152 | Page: 57 |
| Hudsonian Godwit, Lehigh County | Issue: 054 | Page: 155 |
| Hurricane Fran's Fallout | Issue: 103 | Page: 138 |
| Hurricane Isabel's Birds with notes on previous tropical storms and storm related birds | Issue: 174 | Page: 246 |
| Hurricane Sandy in Pennsylvania: 29-31 October 2012 | Issue: 264 | Page: 204 |
| Hybrid Cinnamon x Blue-winged Teal, Washington County | Issue: 222 | Page: 95 |
| Identification of a challenging empidonax flycatcher resolved | Issue: 294 | Page: 186 |
| Identification of the Burket Triple HybridBrewster's/Chestnut-sided Warbler, The | Issue: 334 | Page: 223 |
| Immature Trumpeter Swan at Blue Marsh Lake, Berks County | Issue: 162 | Page: 89 |
| Impacts of Water Level Flucuation for Fishery Management on Waterfowl Usage and Brood Production | Issue: 071 | Page: 7 |
| Imperial Grasslands--Site Overview and a Summary of Bird Records, The | Issue: 191 | Page: 2 |
| Important Bird Areas in Pennsylvania. A Guide to Identifying and Conserving Critical Bird Habitat, BOOK REVIEW | Issue: 142 | Page: 97 |
| In Memorium - Merrill Wood | Issue: 063 | Page: 104 |
| Indigo Bunting, Westmoreland County | Issue: 091 | Page: 28 |
| Insights from 80 Years of Warren, PA, Christmas Bird Counts | Issue: 372 | Page: 83 |
| Introduction to the Black-capped Petrel, An | Issue: 041 | Page: 2 |
| Invasion of the Varied Thrushes, The | Issue: 081 | Page: 16 |
| Inventory Program for Birds at Pennsylvania National Parks | Issue: 172 | Page: 70 |
| Iona/Reistville farm ponds, Site Guide, Lebanon County | Issue: 042 | Page: 54 |
| It's Called a What? | Issue: 063 | Page: 109 |
| Jack Sprat Syndrome, The | Issue: 043 | Page: 90 |
| Jaeger (Pomarine or Parasitic), Erie County | Issue: 043 | Page: 98 |
| James G. Stull | Issue: 073 | Page: 82 |
| January | Issue: 061 | Page: 14 |
| John James Audubon: The Making of an American | Issue: 204 | Page: 190 |
| John Kirk Townsend: Collector of Audubon's Western Birds and Mammals | Issue: 234 | Page: 185 |
| Joseph A. Grom--Personality Profile | Issue: 023 | Page: 88 |
| Joys of Atlasing, The | Issue: 021 | Page: 5 |
| Kaufman Focus Guides Birds of North America: Book Review | Issue: 152 | Page: 50 |
| Kaufman's Focus Guide, Butterflies of North Amerioca: Review | Issue: 174 | Page: 277 |
| Keeping Records | Issue: 024 | Page: 133 |
| Keeping Records | Issue: 031 | Page: 10 |
| Keeping Track | Issue: 051 | Page: 4 |
| Killer Frog, The | Issue: 351 | Page: 17 |
| King Eider, Erie County | Issue: 051 | Page: 20 |
| King Rail Breeding in Western Pennsylvania | Issue: 073 | Page: 89 |
| King Rail Sighted, Tioga County | Issue: 033 | Page: 96 |
| Kinglet Survival Huntingdon County | Issue: 081 | Page: 19 |
| Kirtland's Warbler Indiana County | Issue: 172 | Page: 108 |
| Kirtland's Warbler, Franklin County | Issue: 082 | Page: 85 |
| Kites and More | Issue: 092 | Page: 65 |
| Lake Ontelaunee, Berks County, Site Guide | Issue: 051 | Page: 13 |
| Landowner -- Best Source of Information, The | Issue: 021 | Page: 6 |
| Large Catharus Thrush Migration in Hamburg, Berks Co., Pa. | Issue: 142 | Page: 99 |
| Large Number of Hudsonian Godwits in Northampton County, Pennsylvania | Issue: 184 | Page: 221 |
| Lark Bunting - Erie County | Issue: 172 | Page: 110 |
| Lark Sparrow, Allegheny County | Issue: 082 | Page: 85 |
| Late nesting Woodpecker | Issue: 154 | Page: 227 |
| Late Yellow Warbler, A, Centre County | Issue: 084 | Page: 218 |
| Laughing Gull, Warren County, First County Record | Issue: 083 | Page: 149 |
| Lawrence's Warbler, Erie County | Issue: 043 | Page: 100 |
| Leaser Lake - Lehigh County | Issue: 022 | Page: 51 |
| Least Tern: A probable First County Record Montgomery Co. | Issue: 072 | Page: 54 |
| Leconte's Sparrow in Delaware County | Issue: 231 | Page: 34 |
| LeConte's Sparrow, Lancaster County | Issue: 081 | Page: 17 |
| LeConte's Sparrow, Lawrence County | Issue: 091 | Page: 28 |
| Less than Lesser Goldfinch, The | Issue: 074 | Page: 129 |
| Lesser Sandhill Crane (Grus canadensis canadensis) Erie County | Issue: 201 | Page: 6 |
| Leucism - White or "Washed-Out"? | Issue: 254 | Page: 188 |
| Leucistic Barn Swallows | Issue: 244 | Page: 189 |
| List of the Birds of Warren County | Issue: 171 | Page: 31 |
| List of the birds of Washington County | Issue: 253 | Page: 157 |
| Long Pond, Pocono Plateau, Monroe County: Site Guide | Issue: 153 | Page: 146 |
| Long-billed Curlew, Erie County | Issue: 194 | Page: 196 |
| Long-eared Mini, The | Issue: 022 | Page: 51 |
| Long-tailed Jaeger, Erie County | Issue: 043 | Page: 98 |
| Long-tailed Jaeger, Somerset County | Issue: 194 | Page: 195 |
| Looking for Gulls in Berks County | Issue: 061 | Page: 12 |
| Luring Purple Martins | Issue: 034 | Page: 133 |
| Magical day at Bald Knob, A | Issue: 194 | Page: 190 |
| Magnolia Warbler Trap | Issue: 224 | Page: 215 |
| Marbled Godwit, Lancaster County | Issue: 053 | Page: 120 |
| Marsh Monitoring Program Needs You | Issue: 084 | Page: 220 |
| Merlin: Expansion of Breeding Range into Pennsylvania | Issue: 334 | Page: 226 |
| Mifflin County Eagles | Issue: 034 | Page: 131 |
| Migrant Numbers may not be What They Seem | Issue: 074 | Page: 131 |
| Migration of Western and Yellow Palm Warblers at Powdermill Nature Reserve, Westmoreland County, Pennsylvania | Issue: 163 | Page: 160 |
| Miracle at Imperial | Issue: 084 | Page: 207 |
| Mississippi Kite in Beaver County | Issue: 023 | Page: 82 |
| Mississippi Kite, Erie County | Issue: 022 | Page: 47 |
| Mississippi Kite, Franklin/Fulton Counties | Issue: 051 | Page: 21 |
| Modeling the Potential Impacts of Climate Change on the Summer Distributions of Pennsylvania's Nongame Birds | Issue: 173 | Page: 179 |
| Mont Clare Canal -- Montgomery County | Issue: 014 | Page: 118 |
| More Notes on the Sandhill Cranes | Issue: 083 | Page: 137 |
| More Predictions | Issue: 043 | Page: 93 |
| Most Documented Record of a Hoary Redpoll in Pa., A | Issue: 081 | Page: 11 |
| Mother of All Bird Alerts: A Cautionary "Tail", The | Issue: 052 | Page: 65 |
| Mountain Bluebird in Northampton County | Issue: 364 | Page: 217 |
| Mr. Floyd and Mr. Franklin | Issue: 043 | Page: 91 |
| Murder at the Feeder? | Issue: 072 | Page: 54 |
| Mute Swans in Clarion County | Issue: 323 | Page: 154 |
| My Listening Point | Issue: 031 | Page: 11 |
| My Silent Fall | Issue: 043 | Page: 96 |
| Mystery Empid | Issue: 371 | Page: 24 |
| Natural Pocono Mountains, The | Issue: 242 | Page: 77 |
| Nature Watch: Erie Pennsylvania and Nearby Areas 1985-1995, Book Review | Issue: 113 | Page: 146 |
| Neotropical Migrants in Pa. | Issue: 081 | Page: 2 |
| Neotropical Migrants in Pennsylvania, Evidence of Absence or Absence of evidence? | Issue: 084 | Page: 201 |
| Nestbox use by American Kestrels and European Starlings in Eastern Pennsylvania | Issue: 143 | Page: 150 |
| Nesting Red-headed Woodpeckers in Sullivan County - 1998 | Issue: 122 | Page: 59 |
| Nesting Short-eared Owls at Imperial | Issue: 114 | Page: 216 |
| New Craze: A Hawkwatching Party, A | Issue: 034 | Page: 129 |
| New Longevity Record for a wild Red-tailed Hawk | Issue: 122 | Page: 52 |
| News from the AOU...Splits, etc. | Issue: 094 | Page: 188 |
| Next 10 New Species for Pennsylvania, The | Issue: 173 | Page: 194 |
| Ninth Record of Harlequin Duck, Erie County | Issue: 051 | Page: 20 |
| Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count | Issue: 114 | Page: 187 |
| Northern Harrier Fall-Winter Distribution and Trends in Pennsylvania and Regionally | Issue: 354 | Page: 206 |
| Northern Hawk Owl, Wayne County | Issue: 051 | Page: 16 |
| Northern Wheatear, Bucks County | Issue: 093 | Page: 137 |
| Northern Wheatear, Juniata and Lebanon Counties | Issue: 114 | Page: 225 |
| Note on Cuckoos in Butler County, A | Issue: 113 | Page: 174 |
| Note on Hooded Merganser Breeding in Pennsylvania and Nearby States, A | Issue: 104 | Page: 205 |
| Note on the Spring Passage, A | Issue: 092 | Page: 77 |
| Notes form the Route 183 Lookout | Issue: 034 | Page: 131 |
| Notes on 20 Years of Breeding Bird Surveys in Rothrock State Forest | Issue: 253 | Page: 146 |
| Notes on Common Terns and their recent attempt to nest at Presque Isle | Issue: 263 | Page: 138 |
| Notes on the Extermination of the Wild Pigeon | Issue: 093 | Page: 132 |
| Notes on the Physical Characteristics and Behavior of Peregrine Falcons in the Wyoming Valley (Luzerne County) | Issue: 124 | Page: 179 |
| Observations During the Breeding Season of the Common Snipe in Lawrence and Mercer Counties of Western Pennsylvania | Issue: 102 | Page: 42 |
| Occurrence and Identification of Greater White-fronted Goose in Pennsylvania | Issue: 204 | Page: 164 |
| Occurrence of Dickcissels in Western Pennsylvania during the 1988 Nesting Season--Its Possible Bearing on the Species' Unusual History in Eastern North America | Issue: 023 | Page: 83 |
| Occurrence of Glaucous Gull and Iceland Gull in Berks County, The | Issue: 351 | Page: 11 |
| Occurrence of Wing-tagged Trumpeter Swan (Olor buccinator) in Pennsylvania and New York | Issue: 032 | Page: 47 |
| October's Birds | Issue: 033 | Page: 94 |
| Official List of the Birds of Pennsylvania | Issue: 321 | Page: 23 |
| Official List of the Birds of Pennsylvania | Issue: 204 | Page: 184 |
| Official List of the Birds of Pennsylvania - 1990 | Issue: 042 | Page: 51 |
| Official List of the Birds of Pennsylvania - 1995 | Issue: 093 | Page: 118 |
| Official List of the Birds of Pennsylvania - 2000 | Issue: 142 | Page: 105 |
| Official List of the Birds of Pennsylvania - 2011 | Issue: 253 | Page: 152 |
| Ohiopyle State Park, Cross-country Ski Area, Site Guide, Fayette County | Issue: 044 | Page: 138 |
| Old Days": Or, How I Learned to Love the Spruce Budworm, The " | Issue: 093 | Page: 124 |
| Ornithological Technical Committee -- Meeting Summary | Issue: 084 | Page: 221 |
| Ornithological Technical Committee -- Meeting Summary | Issue: 091 | Page: 3 |
| Ornithological Technical Committee -- Meeting Summary | Issue: 093 | Page: 134 |
| Ornithological Technical Committee -- Meeting Summary | Issue: 094 | Page: 190 |
| Osprey Attempt to Nest in Clarion County | Issue: 162 | Page: 90 |
| Osprey Nesting in Southwestern Somerset County | Issue: 052 | Page: 62 |
| Osprey Surprise | Issue: 044 | Page: 144 |
| Our Friend, Jesse | Issue: 072 | Page: 48 |
| Our Pennsylvania Big Year -- 1986, Part Four | Issue: 024 | Page: 121 |
| Our Pennsylvania Big Year -- 1986, Part One | Issue: 021 | Page: 12 |
| Our Pennsylvania Big Year -- 1986, Part Three | Issue: 023 | Page: 88 |
| Our Pennsylvania Big Year -- 1986, Part Two | Issue: 022 | Page: 52 |
| Our Work Must Continue! | Issue: 041 | Page: 9 |
| Owls of the North: A Naturalist's Handbook | Issue: 222 | Page: 97 |
| Owls of the Pennsylvania CBCs | Issue: 044 | Page: 130 |
| P.O.R.C. Nominations Sought | Issue: 074 | Page: 130 |
| Pa.'s Species of Special Concern Update | Issue: 074 | Page: 126 |
| Pacific Loon, Lancaster County | Issue: 074 | Page: 133 |
| Pacific Loon, Montgomery County | Issue: 102 | Page: 92 |
| Pacific Slope Flycatcher, Lancaster County | Issue: 044 | Page: 142 |
| Pale Form of Field Sparrow | Issue: 112 | Page: 60 |
| Parasitic Jaeger - Presque Isle State Park, Erie County | Issue: 193 | Page: 157 |
| Parasitic Jaeger, Erie County | Issue: 043 | Page: 97 |
| Parrots of the World | Issue: 254 | Page: 198 |
| Partial Remains of Thayer's Gull from Presque Isle State Park, Erie County | Issue: 052 | Page: 72 |
| Participating in the Grassland Bird Survey | Issue: 131 | Page: 17 |
| Passenger Pigeon, The - Book Review | Issue: 292 | Page: 87 |
| Patterns and Probability of Detecting Pennsylvania's Birds of Note | Issue: 342 | Page: 66 |
| Pennsylvania Bird Clubs - Concocoheague Audubon Society and The Greater Wyoming Valley Audubon Society | Issue: 171 | Page: 37 |
| Pennsylvania Bird Clubs- Birding Club of Delaware County and the Presque Isle Audubon Society | Issue: 173 | Page: 183 |
| Pennsylvania Bird Foray, Susquehannock State Forest, Potter County, 11-12 June 1999 | Issue: 132 | Page: 81 |
| Pennsylvania Birdlists, The 1988 | Issue: 031 | Page: 16 |
| Pennsylvania Birdlists, The 1989 | Issue: 041 | Page: 10 |
| Pennsylvania Birdlists, The 1990 | Issue: 051 | Page: 8 |
| Pennsylvania Birdlists, The 1991 | Issue: 061 | Page: 22 |
| Pennsylvania Birdlists, The 1992 | Issue: 071 | Page: 12 |
| Pennsylvania Birdlists, The 1993 | Issue: 081 | Page: 24 |
| Pennsylvania Birdlists, The 1994 | Issue: 091 | Page: 17 |
| Pennsylvania Birdlists, The 1995 | Issue: 101 | Page: 6 |
| Pennsylvania Birdlists, The 1996 | Issue: 111 | Page: 14 |
| Pennsylvania Birdlists, The 1997 | Issue: 122 | Page: 53 |
| Pennsylvania Birdlists, The 1998 | Issue: 131 | Page: 24 |
| Pennsylvania Birdlists, The 1999 | Issue: 141 | Page: 19 |
| Pennsylvania Birdlists, The 2000 | Issue: 151 | Page: 12 |
| Pennsylvania Birdlists, The 2001 | Issue: 161 | Page: 8 |
| Pennsylvania Birdlists, The 2002 | Issue: 173 | Page: 187 |
| Pennsylvania Birdlists, The 2003 | Issue: 181 | Page: 27 |
| Pennsylvania Birdlists, The 2004 | Issue: 191 | Page: 12 |
| Pennsylvania Birdlists, The 2005 | Issue: 194 | Page: 206 |
| Pennsylvania Birdlists, The 2006 | Issue: 211 | Page: 34 |
| Pennsylvania Birdlists, The 2007 | Issue: 214 | Page: 174 |
| Pennsylvania Birdlists, The 2008 | Issue: 224 | Page: 207 |
| Pennsylvania Birdlists, The 2009 | Issue: 234 | Page: 189 |
| Pennsylvania Birdlists, The 2010 | Issue: 244 | Page: 177 |
| Pennsylvania Birdlists, The 2011 | Issue: 254 | Page: 200 |
| Pennsylvania Birdlists, The 2012 | Issue: 264 | Page: 185 |
| Pennsylvania Birdlists, The 2013 | Issue: 274 | Page: 199 |
| Pennsylvania Birdlists, The 2014 | Issue: 284 | Page: 206 |
| Pennsylvania Birdlists, The 2016 | Issue: 304 | Page: 210 |
| Pennsylvania Birdlists, The 2017 | Issue: 314 | Page: 216 |
| Pennsylvania Birdlists, The 2020 | Issue: 351 | Page: 18 |
| Pennsylvania Birdlists, The 2021 | Issue: 354 | Page: 229 |
| Pennsylvania Breeding Bird Atlas | Issue: 011 | Page: 2 |
| Pennsylvania Breeding Birds of Special Concern | Issue: 091 | Page: 6 |
| Pennsylvania CBC counts of Sharp-shinned and Cooper's Hawks | Issue: 113 | Page: 134 |
| Pennsylvania Migration Count - 1993 | Issue: 072 | Page: 34 |
| Pennsylvania Migration Count - 1994 | Issue: 082 | Page: 72 |
| Pennsylvania Migration Count - 1st | Issue: 062 | Page: 58 |
| Pennsylvania Migration Count - 2001 | Issue: 152 | Page: 59 |
| Pennsylvania Migration Count - 2002 | Issue: 162 | Page: 54 |
| Pennsylvania Migration Count - 2003 | Issue: 172 | Page: 76 |
| Pennsylvania Migration Count - 2004 | Issue: 182 | Page: 79 |
| Pennsylvania Migration Count - 2005 | Issue: 192 | Page: 84 |
| Pennsylvania Migration Count -1995 | Issue: 092 | Page: 50 |
| Pennsylvania Migration Count -1996 | Issue: 102 | Page: 63 |
| Pennsylvania Migration Count -1997 | Issue: 112 | Page: 62 |
| Pennsylvania Migration Count -1998 | Issue: 123 | Page: 106 |
| Pennsylvania Migration Count -2000 | Issue: 142 | Page: 69 |
| Pennsylvania Migration Count 2007 | Issue: 213 | Page: 128 |
| Pennsylvania Migration Count 2010 | Issue: 243 | Page: 132 |
| Pennsylvania Migration Count 2011 | Issue: 253 | Page: 142 |
| Pennsylvania Migration Count 2012 | Issue: 263 | Page: 142 |
| Pennsylvania Migration Count 2013 | Issue: 273 | Page: 148 |
| Pennsylvania Migration Count 2014 | Issue: 283 | Page: 151 |
| Pennsylvania Migration Count 2015 | Issue: 293 | Page: 149 |
| Pennsylvania Migration Count 2018 | Issue: 322 | Page: 81 |
| Pennsylvania Needs | Issue: 021 | Page: 4 |
| Pennsylvania Ornithological Records Committee - Bylaws | Issue: 023 | Page: 91 |
| Pennsylvania Ornithological Records Committee News | Issue: 031 | Page: 8 |
| Pennsylvania Ornithological Records Committee Update | Issue: 043 | Page: 100 |
| Pennsylvania Rare Bird Alerts | Issue: 052 | Page: 64 |
| Pennsylvania Rehabilitators | Issue: 014 | Page: 112 |
| Pennsylvania Rough-legged Hawk observations within a regional context: CBC and WRS data | Issue: 282 | Page: 78 |
| Pennsylvania Society of Ornithology Interview with Drew Weber | Issue: 324 | Page: 194 |
| Pennsylvania Species of Special Concern | Issue: 052 | Page: 63 |
| Pennsylvania's "Breeding" Season | Issue: 162 | Page: 83 |
| Pennsylvania's 1989 CBCs | Issue: 041 | Page: 5 |
| Pennsylvania's American Kestrel nest box numbers from 2021 | Issue: 354 | Page: 226 |
| Pennsylvania's Crossbill Winter of 1997-98 | Issue: 121 | Page: 2 |
| Pennsylvania's First California Gull Erie County. . | Issue: 163 | Page: 147 |
| Pennsylvania's First Calliope Hummingbird Montgomery County | Issue: 163 | Page: 146 |
| Pennsylvania's First Lewis's Woodpecker Bedford County | Issue: 163 | Page: 150 |
| Pennsylvania's First Mew Gull with Notes on its Racial Identification | Issue: 061 | Page: 8 |
| Pennsylvania's first Tropical Kingbird (Tyrannus melancholicus) | Issue: 273 | Page: 147 |
| Pennsylvania's Importance to American Kestrels: A Regional Context | Issue: 292 | Page: 76 |
| Pennsylvania's Peregrine Falcons: a Comeback in Progress | Issue: 262 | Page: 74 |
| Pennsylvania's Piscivorous Birds | Issue: 091 | Page: 11 |
| Pennsylvania's Record High Northern Shrike Invasion of 1999-2000 | Issue: 141 | Page: 2 |
| Pennsylvania's Second Long-tailed Jaeger, Bucks County | Issue: 174 | Page: 267 |
| Pennsylvania's Wintering Least Sandpiper | Issue: 231 | Page: 34 |
| Pennsylvania;'s First Record of Vermillion Flycatcher, Tioga County | Issue: 054 | Page: 156 |
| Peregrine Falcon --Unable to Fly, A | Issue: 014 | Page: 111 |
| Peregrine Falcon Reintroduction in Williamsport | Issue: 094 | Page: 199 |
| Perils of Birding Alone, The (Mississippi Kite) | Issue: 022 | Page: 46 |
| Personality Profile: Jan & Eric Witmer | Issue: 091 | Page: 14 |
| Personality Profile: Robert M. Schutsky | Issue: 081 | Page: 10 |
| Peterson Field Guide to Birds of North America | Issue: 232 | Page: 89 |
| Photo Quiz #1 Answer | Issue: 173 | Page: 231 |
| Photo Quiz #11 Answer | Issue: 201 | Page: 34 |
| Photo Quiz #12 Answer | Issue: 202 | Page: 65 |
| Photo Quiz #15 Answer | Issue: 211 | Page: 70 |
| Photo Quiz #16 - Inside back cover | Issue: 211 | Page: Inside back cover |
| Photo Quiz #16 Answer | Issue: 212 | Page: 75 |
| Photo Quiz #17 | Issue: 212 | Page: Inside back cover |
| Photo Quiz #4 Answer | Issue: 182 | Page: 71 |
| Photo Quiz #5 | Issue: 182 | Page: Inside back cover |
| Photo Quiz #5 Answer | Issue: 183 | Page: 176 |
| Photo Quiz #6 Answer | Issue: 184 | Page: 231 |
| Photo Quiz #7 Answer | Issue: 191 | Page: 10 |
| Photo Quiz #8 Answer | Issue: 192 | Page: 112 |
| Photo Quiz #9 Answer | Issue: 193 | Page: 160 |
| Photo-Quiz #10 | Issue: 193 | Page: Inside back cover |
| Photo-Quiz #10 Answer | Issue: 194 | Page: 191 |
| Photo-Quiz #11 | Issue: 194 | Page: Inside back cover |
| Photo-Quiz #12 | Issue: 201 | Page: Inside back cover |
| Photo-Quiz #13 | Issue: 202 | Page: Inside back cover |
| Photo-Quiz #14 | Issue: 203 | Page: Inside back cover |
| Photo-Quiz #15 | Issue: 204 | Page: Inside back cover |
| Photo-Quiz #17 Answer | Issue: 213 | Page: 132 |
| Photo-Quiz #18 | Issue: 213 | Page: Inside back cover |
| Photo-Quiz #18 Answer | Issue: 214 | Page: 220 |
| Photo-Quiz #19 | Issue: 214 | Page: Inside back cover |
| Photo-Quiz #19 Answer | Issue: 221 | Page: 83 |
| Photo-Quiz #2 | Issue: 173 | Page: 244 |
| Photo-Quiz #20 | Issue: 221 | Page: Inside back cover |
| Photo-Quiz #20 Answer | Issue: 222 | Page: 99 |
| Photo-Quiz #21 | Issue: 222 | Page: Inside back cover |
| Photo-Quiz #21 Answer | Issue: 223 | Page: 192 |
| Photo-Quiz #22 | Issue: 223 | Page: Inside back cover |
| Photo-Quiz #22 Answer | Issue: 224 | Page: 220 |
| Photo-Quiz #23 | Issue: 224 | Page: Inside back cover |
| Photo-Quiz #23 Answer | Issue: 231 | Page: 47 |
| Photo-Quiz #24 | Issue: 231 | Page: Inside back cover |
| Photo-Quiz #26 Answer | Issue: 234 | Page: 209 |
| Photo-Quiz #27 | Issue: 234 | Page: Inside back cover |
| Photo-Quiz #27 Answer | Issue: 241 | Page: 35 |
| Photo-Quiz #28 | Issue: 241 | Page: Inside back cover |
| Photo-Quiz #28 Answer | Issue: 242 | Page: 84 |
| Photo-Quiz #29 | Issue: 243 | Page: Inside back cover |
| Photo-Quiz #3 | Issue: 174 | Page: Inside back cover |
| Photo-Quiz #30 | Issue: 251 | Page: Inside back cover |
| Photo-Quiz #4 | Issue: 181 | Page: Inside back cover |
| Photo-Quiz #6 | Issue: 183 | Page: inside back cover |
| Photo-Quiz #7 | Issue: 184 | Page: Inside back cover |
| Photo-Quiz #8 | Issue: 191 | Page: Inside back cover |
| Photo-Quiz #9 | Issue: 192 | Page: Inside back cover |
| Pine Siskin Banding Recovery: State College to Seattle | Issue: 251 | Page: 30 |
| Pink-footed Goose Berks County | Issue: 111 | Page: 20 |
| Pittsburgh's Winter of Gulls | Issue: 211 | Page: 21 |
| Plover Palooza! | Issue: 344 | Page: 213 |
| Pomarine Jaeger - Cambria County | Issue: 012 | Page: 30 |
| Poplar Forest | Issue: 142 | Page: 100 |
| Population Trends of Pa.'s Nesting Birds | Issue: 082 | Page: 66 |
| Possible Origin of Pa.'s 1st Nesting Record of Herring Gull | Issue: 082 | Page: 97 |
| Potential Problems with Neck Bands and Leg Bands | Issue: 074 | Page: 122 |
| Predictions for the Next State Bird | Issue: 032 | Page: 57 |
| Predictions for the Next State Bird | Issue: 033 | Page: 95 |
| Predictions for the Next Ten New Species to be found in Pennsylvania | Issue: 344 | Page: 196 |
| Preliminary Checklist of the Birds of Allegheny Co. | Issue: 083 | Page: 142 |
| Preliminary Checklist of the Birds of Butler County | Issue: 152 | Page: 85 |
| Prey Availability for Tree Swallows (Tachycineta bicolor) Resistance to Phenological Mismatch | Issue: 354 | Page: 224 |
| Project FeederWatch in Pennsylvania | Issue: 042 | Page: 42 |
| Project SNOWStorm and PSO's owl "Erie" - an update | Issue: 291 | Page: 2 |
| Prolonged Incubation of a hybrid-zone chickadee nest | Issue: 233 | Page: 149 |
| Purple Gallinule (Erie) | Issue: 134 | Page: 197 |
| Purple Gallinule Macungie, Lehigh County | Issue: 204 | Page: 173 |
| Purple Sandpiper Bucks County | Issue: 163 | Page: 155 |
| Putative Records of the Ivory-billed Woodpecker in Pennsylvania and the mid-Atlantic | Issue: 302 | Page: 71 |
| Puzzling Rufous Hummingbird, A | Issue: 154 | Page: 225 |
| Raptor Migration Summary - Spring 2010 | Issue: 242 | Page: 70 |
| Raptor Migration Summary - Spring 2011 | Issue: 252 | Page: 74 |
| Raptor Migration Summary - Spring 2012 | Issue: 262 | Page: 76 |
| Raptor Migration Summary - Spring 2013 | Issue: 272 | Page: 80 |
| Raptor Migration Summary - Spring 2014 | Issue: 282 | Page: 85 |
| Raptor Migration Summary - Spring 2015 | Issue: 292 | Page: 84 |
| Rare Birds in Venango County - Black-capped Petrel | Issue: 034 | Page: 124 |
| Rare Birds of North America | Issue: 281 | Page: 27 |
| Rare Birds Summary for 1994 | Issue: 091 | Page: 23 |
| Rare Birds Summary for 1995 | Issue: 102 | Page: 51 |
| Raven Nest Discovered in York County | Issue: 102 | Page: 45 |
| Recent History and Current Status of Nesting Bald Eagles in Pennsylvania | Issue: 061 | Page: 2 |
| Recent History and Current Status of Peregrine Falcons in Pennsylvania | Issue: 052 | Page: 59 |
| Recent Range Expansion and Population Increase of the Red-bellied Woodpecker in Pennsylvania | Issue: 014 | Page: 107 |
| Record Broad-winged Hawk Flight Over Philadelphia | Issue: 073 | Page: 93 |
| Record Number of Greater White-fronted Geese in Pennsylvania | Issue: 111 | Page: 7 |
| Record-breaking gulls in Erie County, March 2013 | Issue: 272 | Page: 83 |
| Recycled Nest, The | Issue: 042 | Page: 49 |
| Red Phalarope - Northampton County | Issue: 172 | Page: 110 |
| Red Phalarope in York County | Issue: 024 | Page: 129 |
| Red Phalarope, First County Record for Greene County | Issue: 053 | Page: 120 |
| Red-bellied Woodpecker 1990 CBC Update | Issue: 063 | Page: 106 |
| Red-bellied Woodpecker Caches Corn Kernels in a Telephone Pole | Issue: 044 | Page: 145 |
| Red-bellied Woodpecker Tumbled in 1990 on Southeastern Pennsylvania CBCs, The | Issue: 061 | Page: 15 |
| Red-necked Grebe Invasion 2003 | Issue: 172 | Page: 111 |
| Red-necked Phalarope Attracted to Chum | Issue: 073 | Page: 93 |
| Red-necked Phalarope, Lancaster County | Issue: 052 | Page: 71 |
| Red-shouldered Hawks in Pennsylvania's Christmas Bird Count and Winter Raptor Survey | Issue: 274 | Page: 186 |
| Redwing (Turdus Iliacus) - Bucks County | Issue: 191 | Page: 27 |
| Reference Guide to Gulls of the Americas, A | Issue: 324 | Page: 207 |
| Remembering Ralph Bardman | Issue: 161 | Page: 7 |
| Remembrance of Christmas Bird Count Past | Issue: 034 | Page: 128 |
| Report of the Pennsylvania Ornithological Records Committee, 10th - February 2001 | Issue: 144 | Page: 222 |
| Report of the Pennsylvania Ornithological Records Committee, 11th - February 2002 | Issue: 153 | Page: 149 |
| Report of the Pennsylvania Ornithological Records Committee, 12th - June 2003 | Issue: 171 | Page: 25 |
| Report of the Pennsylvania Ornithological Records Committee, 13th - February 2005 | Issue: 191 | Page: 18 |
| Report of the Pennsylvania Ornithological Records Committee, 14th - Sept 2006 | Issue: 203 | Page: 131 |
| Report of the Pennsylvania Ornithological Records Committee, 15th - May 2008 | Issue: 221 | Page: 7 |
| Report of the Pennsylvania Ornithological Records Committee, 16th - May 2009 | Issue: 231 | Page: 2 |
| Report of the Pennsylvania Ornithological Records Committee, 17th - January 2010 | Issue: 241 | Page: 2 |
| Report of the Pennsylvania Ornithological Records Committee, 18th - February 2011 | Issue: 251 | Page: 2 |
| Report of the Pennsylvania Ornithological Records Committee, 19th - April 2012 | Issue: 261 | Page: 20 |
| Report of the Pennsylvania Ornithological Records Committee, 1st - May 1990 | Issue: 041 | Page: 8 |
| Report of the Pennsylvania Ornithological Records Committee, 20th - April 2013 | Issue: 271 | Page: 26 |
| Report of the Pennsylvania Ornithological Records Committee, 21st - August 2017 | Issue: 312 | Page: 68 |
| Report of the Pennsylvania Ornithological Records Committee, 22nd - January 2018 | Issue: 314 | Page: 212 |
| Report of the Pennsylvania Ornithological Records Committee, 23rd - October 2018 | Issue: 323 | Page: 144 |
| Report of the Pennsylvania Ornithological Records Committee, 24th - April 2019 | Issue: 332 | Page: 76 |
| Report of the Pennsylvania Ornithological Records Committee, 25th - January 2020 | Issue: 334 | Page: 216 |
| Report of the Pennsylvania Ornithological Records Committee, 26th - February 2021 | Issue: 344 | Page: 207 |
| Report of the Pennsylvania Ornithological Records Committee, 27th - May 2022 | Issue: 362 | Page: 75 |
| Report of the Pennsylvania Ornithological Records Committee, 2nd - May 1991 | Issue: 051 | Page: 26 |
| Report of the Pennsylvania Ornithological Records Committee, 3rd - April 1992 | Issue: 061 | Page: 18 |
| Report of the Pennsylvania Ornithological Records Committee, 4th - April 1992 | Issue: 071 | Page: 9 |
| Report of the Pennsylvania Ornithological Records Committee, 5th - June 1994 | Issue: 081 | Page: 20 |
| Report of the Pennsylvania Ornithological Records Committee, 6th - June 1995 | Issue: 092 | Page: 70 |
| Report of the Pennsylvania Ornithological Records Committee, 7th - June 1996 | Issue: 102 | Page: 48 |
| Report of the Pennsylvania Ornithological Records Committee, 8th - June 1997 | Issue: 113 | Page: 126 |
| Report of the Pennsylvania Ornithological Records Committee, 9th - June 1999 | Issue: 131 | Page: 20 |
| Reporting Neck-collared Swans and Geese | Issue: 104 | Page: 231 |
| Reproductive Success of American Kestrels Using Nest Boxes in Eastern Pennsylvania, 1992-2005 | Issue: 203 | Page: 112 |
| RESEARCH NOTE: Photographic Evidence of Brood Parasitism of Yellow-throated Warbler by Brown-headed Cowbird in Pennsylvania | Issue: 372 | Page: 82 |
| Restored Wetlands as Management Tools for Wetland-Dependent Birds | Issue: 071 | Page: 4 |
| Results from Pennsylvania Breeding Bird Atlas 1 and 2: Species showing likely population declines | Issue: 363 | Page: 152 |
| Results of 2020 Pennsylvania Game Commission Marsh Bird Surveys with Comparisons to BBA Results | Issue: 372 | Page: 89 |
| Results of the 2005 Pennsylvania Mid-Summer Mute Swan Survey | Issue: 201 | Page: 2 |
| Results Since Pennsylvania's First Breeding Bird Atlas: State's First Confirmed Breeding Reports | Issue: 371 | Page: 13 |
| Retiring a Bird Patch | Issue: 354 | Page: 222 |
| Return of the Cooper's Hawk, The | Issue: 072 | Page: 52 |
| Roost Exiting of Chimney Swifts | Issue: 124 | Page: 172 |
| Rose Valley Lake, Site Guide, Lycoming County | Issue: 043 | Page: 94 |
| Royal Tern - Bucks County | Issue: 184 | Page: 220 |
| Royal Tern, Northumberland County | Issue: 033 | Page: 96 |
| Ruddy Turnbark and a Ruddy Rototiller, A | Issue: 083 | Page: 144 |
| Rufous (R/A-Type) Hummingbirds in Pennsylvania | Issue: 171 | Page: 2 |
| Rufous Hummingbird, Westmoreland County | Issue: 044 | Page: 139 |
| Rufous/Allen's Hummingbird, Bucks County | Issue: 083 | Page: 147 |
| Sabine's Gull in Crawford County, with notes on its history in Pennsylvania and the region | Issue: 284 | Page: 190 |
| Sabine's Gull in Schulkill County | Issue: 013 | Page: 74 |
| Sabine's Gulls, Erie and Lancaster Counties | Issue: 033 | Page: 96 |
| Sandhill Crane, Montgomery County | Issue: 054 | Page: 155 |
| Sandhill Cranes in Mercer Co. | Issue: 063 | Page: 105 |
| Sandhill Cranes Sullivan County | Issue: 163 | Page: 156 |
| Sandhill Cranes, Lawrence Co. | Issue: 071 | Page: 8 |
| Saw-whet Owl Attacks Feline | Issue: 044 | Page: 144 |
| Scenario of the Upland Sandpiper in Western Pa. | Issue: 084 | Page: 204 |
| Scissor-tailed Flycatcher - Lebanon County | Issue: 183 | Page: 172 |
| Scissor-tailed Flycatcher at Bartram's Garden, Philadelphia County | Issue: 274 | Page: 190 |
| Scissor-tailed Flycatcher, Westmoreland County | Issue: 222 | Page: 94 |
| Searching for Nelson's Sparrow in Central Pennsylvania | Issue: 284 | Page: 197 |
| Seaside Sparrow, Lancaster County | Issue: 031 | Page: 14 |
| Season of the Shrike, The | Issue: 094 | Page: 189 |
| Second Atlas of Breeding Birds in Pennsylvania - Book Review | Issue: 272 | Page: 87 |
| Second Atlas of Breeding Birds in Pennsylvania - publication forthcoming | Issue: 262 | Page: 79 |
| Second Breeding Record of Sandhill Crane for Pa. | Issue: 083 | Page: 136 |
| Second documented record of Curlew Sandpiper in Pennsylvania | Issue: 182 | Page: 74 |
| Second Pennsylvania Record of Ross' Goose, Lancaster County | Issue: 051 | Page: 19 |
| Second Record of Black-legged Kittiwake for Berks County | Issue: 051 | Page: 23 |
| Second Report of Iceland Gull for Berks County | Issue: 051 | Page: 23 |
| Second State Record of Pacific Slope Flycatcher, Lancaster County | Issue: 054 | Page: 156 |
| Second Year - Hawk Watch at Militia Hill, The | Issue: 034 | Page: 130 |
| Sedge Wren, Crawford County | Issue: 033 | Page: 97 |
| Sedge Wrens successfully breed in Montgomery County in 2012 | Issue: 272 | Page: 86 |
| Serendipitous Birding or Lucky Chasing | Issue: 191 | Page: 30 |
| Serendipitous Shrike, A | Issue: 024 | Page: 127 |
| Sharp-tailed Sparrow at Green Lane Reservoir, Montgomery County | Issue: 034 | Page: 127 |
| Sharp-tailed Sparrow in Crawford County | Issue: 024 | Page: 129 |
| Sharp-tailed Sparrows, Lancaster County | Issue: 054 | Page: 159 |
| Short-eared Owls Breed In Pennsylvania In 1997 | Issue: 122 | Page: 47 |
| Short-eared Owls in Clarion County | Issue: 022 | Page: 55 |
| Short-eared Owls, Mercer County | Issue: 032 | Page: 53 |
| Sibley Field Guide to Birds of Eastern North America, The: Book Review | Issue: 173 | Page: 204 |
| Sibley Guide to Birds, The; Book Review | Issue: 151 | Page: 6 |
| Sibley's Birding Basics: BOOK REVIEW | Issue: 171 | Page: 44 |
| Significance of banding in the study of wintering Rufous Hummingbirds, The | Issue: 214 | Page: 164 |
| Siskin Invasion | Issue: 024 | Page: 126 |
| Site Guide - Piney Tract (Clarion County) | Issue: 124 | Page: 176 |
| Site Guide to Allegheny County's Portions of the Allegheny, Monongahela, and Ohio Rivers | Issue: 144 | Page: 217 |
| Site Guide to Codorus State Park - York | Issue: 102 | Page: 57 |
| Site Guide to Marsh Creek State Park | Issue: 161 | Page: 5 |
| Site Guide to the Polk Wetlands, Venango County | Issue: 151 | Page: 10 |
| Site Guide: Detweiler's Run Natural Area Huntingdon/Centre Counties | Issue: 063 | Page: 99 |
| Site Guide: Necopeck State Park - Luzerne County. | Issue: 063 | Page: 96 |
| Six-Thirty Bird, The | Issue: 032 | Page: 52 |
| Slaty-backed Gull in Pennsylvania (...and Ontario, and New York...), A | Issue: 221 | Page: 2 |
| Smart Hummingbird Behavior | Issue: 213 | Page: 125 |
| Smithsonian Field Guide to the Birds of North America | Issue: 223 | Page: 159 |
| Snow Bunting Observations from Montour Preserve | Issue: 343 | Page: 148 |
| Snowy Plover Allegheny County | Issue: 163 | Page: 153 |
| Some Northern Butler County Field Notes | Issue: 142 | Page: 110 |
| Some Variability in the Extent of Bill Color in Female Common Goldeneye: A Cautionary Note | Issue: 062 | Page: 56 |
| Sooty Tern, Bucks, Delaware, and Lancaster Counties | Issue: 103 | Page: 154 |
| Sorting out the Chickadees in Southwestern Pennsylvania | Issue: 014 | Page: 105 |
| Sparrow - Book Review | Issue: 271 | Page: 35 |
| Sparrow Fields, The | Issue: 103 | Page: 145 |
| Spotted Towhee (Westmoreland) | Issue: 134 | Page: 200 |
| Spring Hawk Watch Sites | Issue: 094 | Page: 192 |
| Spring Migration at Hawk Mountain Sanctuary, 1969-1998 | Issue: 131 | Page: 11 |
| Spring Migration Timing of Grasshopper Sparrows in Central Pennsylvania as Estimated from eBird Records and Two Nocturnal Flight Call Stations | Issue: 332 | Page: 89 |
| Spring Raptor Migration Summary 2000 | Issue: 151 | Page: 53 |
| Spring Raptor Migration Summary 1996 | Issue: 102 | Page: 80 |
| Spring Raptor Migration Summary 1997 | Issue: 112 | Page: 82 |
| Spring Raptor Migration Summary 1998 | Issue: 122 | Page: 49 |
| Spring Raptor Migration Summary 2004 | Issue: 182 | Page: 75 |
| Spring Raptor Migration Summary 2005 | Issue: 192 | Page: 115 |
| Spring Raptor Migration Summary 2006 | Issue: 202 | Page: 71 |
| Spring Raptor Migration Summary 2007 | Issue: 212 | Page: 74 |
| Spring Raptor Migration Summary 2008 | Issue: 222 | Page: 89 |
| Spring Raptor Migration Summary 2009 | Issue: 232 | Page: 85 |
| Spring Raptor Migration Summary 2016 | Issue: 302 | Page: 69 |
| Spring Raptor Migration Summary 2017 | Issue: 312 | Page: 63 |
| Spring Raptor Migration Summary 2018 | Issue: 322 | Page: 76 |
| Spring Raptor Migration Summary 2019 | Issue: 332 | Page: 93 |
| Spring Raptor Migration Summary 2020 | Issue: 342 | Page: 77 |
| Spring Raptor Migration Summary 2021 | Issue: 352 | Page: 76 |
| Spring Raptor Migration Summary 2022 | Issue: 362 | Page: 82 |
| Spring Raptor Migration Summary 2023 | Issue: 372 | Page: 93 |
| State Game Lands #110, Site Guide, Berks County | Issue: 052 | Page: 68 |
| Status and Distribution of Lesser Black-backed Gull in Pennsylvania | Issue: 233 | Page: 143 |
| Status and field identification problems of the Willet subspecies in Pennsylvania | Issue: 122 | Page: 42 |
| Status of the Common Nighthawk (Chordeiles minor) as a Nesting Species in Pennsylvania with an Emphasis on Western Pennsylvania | Issue: 333 | Page: 162 |
| Stony Creek Valley -- Dauphin and Lebanon Counties | Issue: 014 | Page: 117 |
| Storm Birds on the Lower Susquehanna | Issue: 042 | Page: 47 |
| Story of the Ring-necked Pheasant in Pennsylvania, The | Issue: 131 | Page: 2 |
| Strangers from Afar: Two Un-"twitch"able Additions to the PA Avifauna | Issue: 341 | Page: 6 |
| Subspecies and intergrade Red-tailed Hawks in western Pennsylvania | Issue: 104 | Page: 203 |
| Subspecies of the Sharp-tailed Sparrow and the Re-identification of a Western Pennsylvania Specimen, The | Issue: 061 | Page: 13 |
| Successful Nesting by Wyoming Valley Peregrine Falcons | Issue: 134 | Page: 169 |
| Summary of an American Kestrel Nest Box Program in New Jersey and Pennsylvania | Issue: 362 | Page: 68 |
| Summary of Common Nighthawk Watches in Pennsylvania, 1999, A | Issue: 141 | Page: 11 |
| Summary of the 2012 Dickcissel Invasion | Issue: 273 | Page: 146 |
| Summary of the Distribution of Ibises in Pennsylvania | Issue: 054 | Page: 150 |
| Summary of Wintering Hummingbirds in Pennsylvania | Issue: 311 | Page: 12 |
| Summer Atlas of North American Birds-- a Pennsylvania Perspective, The | Issue: 113 | Page: 141 |
| Summer Tanager in Crawford County | Issue: 231 | Page: 33 |
| Surfing a Warbler Wave - Northampton County Big Day - 1996 | Issue: 102 | Page: 59 |
| Susquehanna River Birding and Wildlife Trail: Review | Issue: 181 | Page: 7 |
| Swainson's Warbler - Allegheny County | Issue: 012 | Page: 30 |
| Swainson's Warbler in Western Pennsylvania -- rare vagrant or breeding species? | Issue: 033 | Page: 89 |
| Swainson's Warblers!! Six Reported Sightings in the Spring of 2021 | Issue: 353 | Page: 146 |
| Swallow and Cuckoo Notes | Issue: 133 | Page: 129 |
| Swallow Note | Issue: 123 | Page: 132 |
| Swallow Notes | Issue: 121 | Page: 9 |
| Taylor Memorial Arboretum, The | Issue: 013 | Page: 75 |
| Temporal Field Guide to Autumn Raptor Migration at Hawk Mountain Sanctuary, Pennsylvania, A | Issue: 103 | Page: 134 |
| Ten Thousand Birds: Ornithology Since Darwin | Issue: 294 | Page: 190 |
| Terns of Hurricane Irene, and other fallout | Issue: 254 | Page: 212 |
| The 2023 Winter Raptor Survey in Pennsylvania | Issue: 371 | Page: 25 |
| The Baird's Sandpiper Flight of 2010 | Issue: 244 | Page: 190 |
| The Breeding Bird Survey in Pennsylvania - History, Importance, and Results | Issue: 353 | Page: 151 |
| The case of the dangling woodpecker | Issue: 263 | Page: 146 |
| The Crossley ID Guide: Raptors - Book Review | Issue: 273 | Page: 152 |
| The Nightjar Survey Network: A network of citizen scientists compiling data on declining, cryptic birds | Issue: 333 | Page: 166 |
| The White-rumped Sandpiper and Sanderling flights of 2011 | Issue: 254 | Page: 213 |
| Third Western Pennsylvania Record of Mississippi Kite, Erie County | Issue: 051 | Page: 21 |
| Thoughts on the Modern Approach to Field Identification of Dowitchers | Issue: 203 | Page: 124 |
| Through the Seasons | Issue: 052 | Page: 70 |
| Thrush Migration Pattern over Southwestern Pennsylvania, A | Issue: 113 | Page: 144 |
| Townsend's Solitaire McKean County | Issue: 191 | Page: 31 |
| Townsend's Warbler on the Delaware/Philadelphia Line | Issue: 244 | Page: 185 |
| Townsend's Warbler, Luzerne County | Issue: 114 | Page: 226 |
| Trough Creek Valley -- Huntingdon County | Issue: 014 | Page: 116 |
| Trumpeter Swans Breeding in Pennsylvania | Issue: 324 | Page: 190 |
| Trumpeter Swans in Warren County | Issue: 031 | Page: 15 |
| Try Your Best Guess! | Issue: 031 | Page: 14 |
| Turnstone is a Turnstone is a ... Turnstile??, A | Issue: 064 | Page: 147 |
| Two in a row: Pittsburgh's winters of gulls, 2014 and 2015 | Issue: 291 | Page: 4 |
| Two Local Bird Record Collections Transferred | Issue: 202 | Page: 66 |
| Two Mile Run Lake, Venango County | Issue: 032 | Page: 52 |
| Tyler Arboretum, Site Guide, Delaware County | Issue: 043 | Page: 95 |
| Unami Creek Valley (Montgomery) | Issue: 084 | Page: 209 |
| UNDERSTANDING BIRD BEHAVIOR: An Illustrated Guide to What Birds Do and Why | Issue: 353 | Page: 159 |
| Unfeathered Bird, The | Issue: 283 | Page: 154 |
| Unusual Birds in Allegheny County | Issue: 252 | Page: 79 |
| Unusual Field Sparrow Nest, An | Issue: 031 | Page: 13 |
| Unusual Lesser Black-backed Gull, An, Lancaster County | Issue: 051 | Page: 22 |
| Unusual Pelican in Beaver County?, An | Issue: 112 | Page: 55 |
| Unusual Song Sparrow, An | Issue: 094 | Page: 191 |
| Unusual Tringa, An, Delaware County | Issue: 114 | Page: 227 |
| Unusually Large Gray Catbird Fault Bar | Issue: 333 | Page: 171 |
| Update on Great Blue Heronries in Lawrence County | Issue: 081 | Page: 12 |
| Update on the Ceramic Cliff Swallow Nests at Center Bridge | Issue: 112 | Page: 59 |
| Update on the Conejohela Flats | Issue: 112 | Page: 61 |
| Updates to the Annotated List of Birds of the Imperial Grasslands, Allegheny County | Issue: 261 | Page: 24 |
| Vagrants, Strays, and Overdue Birds | Issue: 093 | Page: 128 |
| Veery in North Park, The | Issue: 031 | Page: 13 |
| Veteran and the Neophyte, The | Issue: 092 | Page: 63 |
| Wanderings - The "Red-eyed Birding Tour" | Issue: 171 | Page: 38 |
| Warbler Guide, The | Issue: 274 | Page: 197 |
| Warblers at the Bubbler | Issue: 052 | Page: 65 |
| Water Street Warblers -- Blair County | Issue: 014 | Page: 115 |
| Waterfowl of North America, Europe, and Asia - Book Review | Issue: 303 | Page: 148 |
| Waterfowl Watcher Alert! Neck-collared Geese and Swans Being Sighted | Issue: 021 | Page: 8 |
| Weather and the Distribution of Birds | Issue: 101 | Page: 2 |
| Week of Waterfowl on the Susquehanna, A | Issue: 072 | Page: 55 |
| West Virginia Breeding Bird Atlas, The | Issue: 091 | Page: 15 |
| Western Hummingbirds in Pennsylvania - the Invasion of 2012 | Issue: 264 | Page: 182 |
| Western Kingbird - Berks County | Issue: 211 | Page: 27 |
| Western Kingbird, Northampton County | Issue: 043 | Page: 99 |
| Western Kingbird, Philadelphia County | Issue: 043 | Page: 99 |
| Western Meadowlark in Dauphin County | Issue: 232 | Page: 94 |
| Western Tanager in Centre County | Issue: 294 | Page: 189 |
| Wetlands of Northcentral Tioga County: Site Guide | Issue: 092 | Page: 67 |
| What is that Bird? (Mississippi Kite) | Issue: 022 | Page: 46 |
| What they ate: White-winged Crossbill food plants during the 2008-09 irruption in Pennsylvania | Issue: 232 | Page: 81 |
| What to do about Rare Bird Sightings? | Issue: 014 | Page: 103 |
| What?...How's that Again? | Issue: 024 | Page: 124 |
| When Mountain Birding Becomes More Than Birds | Issue: 073 | Page: 94 |
| Where are the Birds? Where is the Atlas? A Pennsylvania Breeding Bird Atlas Update | Issue: 044 | Page: 136 |
| Where do birds get fat? A new application of stable isotope analysis on fat stores in migrating songbirds | Issue: 361 | Page: 15 |
| Where do birds get fat? A new application of stable isotope analysis on fat stores in migrating songbirds | Issue: 362 | Page: 88 |
| Where Is That Bird Anyway? | Issue: 304 | Page: 206 |
| Where the Bird Flies… The Reason for Different Counting Protocols | Issue: 304 | Page: 207 |
| Where Were We?? | Issue: 034 | Page: 134 |
| Where West Nile Virus Has Affected Pennsylvania's Birds and What This Portends for the State's Third Breeding Bird Atlas | Issue: 371 | Page: 17 |
| White Ibis in Dauphin County | Issue: 213 | Page: 127 |
| White Ibis in Northampton County | Issue: 213 | Page: 126 |
| White-tailed Deer Alter Diversity of Songbirds And Their Habitat in Northwestern Pennsylvania | Issue: 102 | Page: 55 |
| White-winged Crossbill Invasion of 2008-09 | Issue: 232 | Page: 78 |
| White-winged Dove, Schuylkill County | Issue: 122 | Page: 63 |
| Winter of the Goose in Berks County, The | Issue: 111 | Page: 6 |
| Winter of the Long-eared Owls Northampton County | Issue: 081 | Page: 13 |
| Winter Raptor Survey in Pennsylvania, The 2001 | Issue: 151 | Page: 3 |
| Winter Raptor Survey in Pennsylvania, The 2002 | Issue: 161 | Page: 2 |
| Winter Raptor Survey in Pennsylvania, The 2003 | Issue: 171 | Page: 22 |
| Winter Raptor Survey in Pennsylvania, The 2003 - Maps | Issue: 172 | Page: 117 |
| Winter Raptor Survey in Pennsylvania, The 2004 | Issue: 181 | Page: 24 |
| Winter Raptor Survey in Pennsylvania, The 2004 - Maps | Issue: 182 | Page: 76 |
| Winter Raptor Survey in Pennsylvania, The 2005 | Issue: 191 | Page: 32 |
| Winter Raptor Survey in Pennsylvania, The 2006 - With a Summary of Results from 2001-2006 | Issue: 201 | Page: 24 |
| Winter Raptor Survey in Pennsylvania, The 2007 | Issue: 211 | Page: 29 |
| Winter Raptor Survey in Pennsylvania, The 2007-08 | Issue: 221 | Page: 38 |
| Winter Raptor Survey in Pennsylvania, The 2009 | Issue: 231 | Page: 26 |
| Winter Raptor Survey in Pennsylvania, The 2010 | Issue: 241 | Page: 27 |
| Winter Raptor Survey in Pennsylvania, The 2011 | Issue: 251 | Page: 25 |
| Winter Raptor Survey in Pennsylvania, The 2012 | Issue: 261 | Page: 25 |
| Winter Raptor Survey in Pennsylvania, The 2013 | Issue: 271 | Page: 22 |
| Winter Raptor Survey in Pennsylvania, The 2014 | Issue: 281 | Page: 23 |
| Winter Raptor Survey in Pennsylvania, The 2015 | Issue: 291 | Page: 25 |
| Winter Raptor Survey in Pennsylvania, The 2016 | Issue: 301 | Page: 15 |
| Winter Raptor Survey in Pennsylvania, The 2017 | Issue: 311 | Page: 7 |
| Winter Raptor Survey in Pennsylvania, The 2018 | Issue: 321 | Page: 18 |
| Winter Raptor Survey in Pennsylvania, The 2019 | Issue: 331 | Page: 20 |
| Winter Raptor Survey in Pennsylvania, The 2020 | Issue: 341 | Page: 15 |
| Winter Raptor Survey in Pennsylvania, The 2021 | Issue: 351 | Page: 12 |
| Winter Raptor Survey in Pennsylvania, The 2022 | Issue: 361 | Page: 10 |
| Winter Record of Nashville Warbler, Lancaster County | Issue: 051 | Page: 24 |
| Wintering Juncos | Issue: 181 | Page: 5 |
| Witmer Stone: The Fascination of Nature - Book Review | Issue: 302 | Page: 73 |
| Wood Duck Tale, A | Issue: 032 | Page: 53 |
| Wood Stork, Lancaster and Lebanon Counties | Issue: 103 | Page: 155 |
| Woodcock Observations | Issue: 072 | Page: 54 |
| Woodpecker Woods | Issue: 051 | Page: 6 |
| Woodpecker's Badly Deformed Bill Is an Avian Mystery, A | Issue: 324 | Page: 197 |
| World's Rarest Birds, The | Issue: 281 | Page: 27 |
| Year at the Lake, The | Issue: 271 | Page: 20 |
| Year of the Eagles - Militia Hill Hawk Watch | Issue: 054 | Page: 189 |
| Yellow Siskin in Berks County | Issue: 161 | Page: 7 |
| Yellow-bellied Flycatcher Nesting in Pennsylvania with a Review of its History, Distribution, Ecology, Behavior, and Conservation Problems | Issue: 053 | Page: 107 |
| Yellow-bellied Sapsucker Nesting in Butler County | Issue: 064 | Page: 146 |
| Yellow-billed Loon in Dauphin County: First Pennsylvania Record | Issue: 212 | Page: 72 |
| Young Birder's Guide to the Birds of Eastern North America, The | Issue: 222 | Page: 97 |