Pennsylvania Birds Index

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.

 

 

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Index of Articles by Author

Click on the Issue number to go to the issue

 

Author Title Issue Page
David Allen Scissor-tailed Flycatcher at Bartram's Garden, Philadelphia County 274
190
Julie Amsel Murder at the Feeder? 072
54
Evelyn Anderson Bird Banding at Presque Isle State Park 121
7
Evelyn Anderson James G. Stull 073
82
George Armistead Pennsylvania's first Tropical Kingbird (Tyrannus melancholicus) 273
147
Christopher Atkinson Eastern Bluebird Nesting Success in Parkway Systems of Large Municipalities 042
45
Eric C. Atkinson Temporal Field Guide to Autumn Raptor Migration at Hawk Mountain Sanctuary, Pennsylvania, A 103
134
Karen Atwood Birds of Erie County 013
76
Lycoming Audubon Society Checklist of Birds for Lycoming and Clinton Counties 093
126
David Barber Spring Raptor Migration Summary 2019 332
93
David Barber Autumn Raptor Migration Summary 2019 334
230
David Barber Spring Raptor Migration Summary 2020 342
77
David Barber Autumn Raptor Migration Summary 2020 344
214
David Barber Spring Raptor Migration Summary 2021 352
76
David Barber Autumn Raptor Migration Summary 2021 354
213
David Barber Spring Raptor Migration Summary 2022 362
82
David Barber Autumn Raptor Migration Summary 2022 364
209
David Barber Spring Raptor Migration Summary 2023 372
93
Patricia M. Barber Pennsylvania's Peregrine Falcons: a Comeback in Progress 262
74
Patricia M. Barber Results of 2020 Pennsylvania Game Commission Marsh Bird Surveys with Comparisons to BBA Results 372
89
Ty Bassinger Prey Availability for Tree Swallows (Tachycineta bicolor) Resistance to Phenological Mismatch 354
224
Ralph Bell Cowbird Dilemma, The 064
147
Ralph Bell Red Phalarope, First County Record for Greene County 053
120
Chuck Berthoud Pennsylvania Migration Count 2015 293
149
Chuck Berthoud Scissor-tailed Flycatcher - Lebanon County 183
172
Chuck Berthoud Pennsylvania Migration Count 2018 322
81
Chuck Berthoud Pennsylvania Society of Ornithology Interview with Drew Weber 324
194
Keith Bildstein Abundance and Timing of Raptors During Spring Migration at Hawk Mountain, Pennsylvania, 1969 to 2016 304
188
Keith Bildstein Spring Migration at Hawk Mountain Sanctuary, 1969-1998 131
11
Keith Bildstein Temporal Field Guide to Autumn Raptor Migration at Hawk Mountain Sanctuary, Pennsylvania, A 103
134
Keith Bildstein Nestbox use by American Kestrels and European Starlings in Eastern Pennsylvania 143
150
Mary Birdsong Common Tern recolonization attempt at Presque Isle - an update 293
152
Mary Birdsong Book Review: Learning the Birds: A Midlife Adventure 362
87
Barry Blust Three Pennsylvania Firsts–Limpkin, Broad-billed Hummingbird, and Ferruginous Hawk 373
157
Barry Blust Hawk at Play, A 043
96
Barry Blust Behavior Notes, A Sharp-shinned Duck Hawk? 082
96
Nick Bolgiano An Accounting of Large Starling and Blackbird Flocks in Pennsylvania and Regionally 301
2
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2015-2016 301
10
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2012-2013 271
2
Nick Bolgiano Red-shouldered Hawks in Pennsylvania's Christmas Bird Count and Winter Raptor Survey 274
186
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2013-2014 281
7
Nick Bolgiano Pennsylvania Rough-legged Hawk observations within a regional context: CBC and WRS data 282
78
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2014-2015 291
9
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2005-2006 201
7
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2006-2007 211
2
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2008-2009 231
9
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2007-2008 221
20
Nick Bolgiano Changes in Pennsylvania's Breeding Birds Since the First Atlas, According to the Breeding Bird Survey 203
118
Nick Bolgiano Changes in Pennsylvania's Breeding Birds Since the First Atlas, According to the Breeding Bird Survey (Addendum) 204
192
Nick Bolgiano Examining the Christmas Bird Count in Pennsylvania, 1900-1995 112
50
Nick Bolgiano Birds of Bear Meadows, Centre County 184
214
Nick Bolgiano Black-capped Chickadee Irruptions in Pennsylvania. 173
174
Nick Bolgiano Carolina Wrens in Pennsylvania 222
86
Nick Bolgiano History of Northern Bobwhites in Pennsylvania, A 142
58
Nick Bolgiano Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count 114
187
Nick Bolgiano Pennsylvania CBC counts of Sharp-shinned and Cooper's Hawks 113
134
Nick Bolgiano Story of the Ring-necked Pheasant in Pennsylvania, The 131
2
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2009-2010 241
8
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2010-2011 251
9
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2011-2012 261
2
Nick Bolgiano Pennsylvania's Importance to American Kestrels: A Regional Context 292
76
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2016-2017 311
2
Nick Bolgiano Distribution Changes of Red-tailed Hawks in Pennsylvania and Regionally 314
193
Nick Bolgiano Evidence for West Nile Virus-Related Avian Declines in Pennsylvania 331
2
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2018-2019 331
14
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2019-2020 341
9
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2020-2021 351
5
Nick Bolgiano Northern Harrier Fall-Winter Distribution and Trends in Pennsylvania and Regionally 354
206
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2021-2022 361
2
Nick Bolgiano Christmas Bird Count in Pennsylvania, The 2022-2023 371
2
Nick Bolgiano Where West Nile Virus Has Affected Pennsylvania's Birds and What This Portends for the State's Third Breeding Bird Atlas 371
17
Marcia Bonta Appalachian Spring 052
58
Marcia Bonta Autumn Rain 044
134
Marcia Bonta Brush Mountain Notebook 023
90
Marcia Bonta End of a Free Lunch 032
51
Marcia Bonta Flame Crests of Winter 041
4
Marcia Bonta Jack Sprat Syndrome, The 043
90
Marcia Bonta My Listening Point 031
11
Marcia Bonta October's Birds 033
94
Marcia Bonta Recycled Nest, The 042
49
Marcia Bonta Remembrance of Christmas Bird Count Past 034
128
Marcia Bonta Siskin Invasion 024
126
Marcia Bonta Woodpecker Woods 051
6
Mark Bonta Elements of the County Report 373
156
Jerry Book Conejohela Flats - Habitat in Danger 083
145
Jerry Book Update on the Conejohela Flats 112
61
Jerry Book Seaside Sparrow, Lancaster County 031
14
Jerry Book Unusual Lesser Black-backed Gull, An, Lancaster County 051
22
Jeff Bouton Hawk Mountain Incident, The (Townsend' Solitaire) 034
126
Dan Brauning Falcon wanderings: Daily Movements of Five Juvenile Peregrine Falcons 183
168
Dan Brauning Future Breeders in Pa.? 083
138
Dan Brauning Help Wanted: Volunteers for Wildlife Bird Projects 054
161
Dan Brauning Pa.'s Species of Special Concern Update 074
126
Dan Brauning Pennsylvania Breeding Bird Atlas 011
2
Dan Brauning Pennsylvania Species of Special Concern 052
63
Dan Brauning Population Trends of Pa.'s Nesting Birds 082
66
Dan Brauning Where are the Birds? Where is the Atlas? A Pennsylvania Breeding Bird Atlas Update 044
136
Dan Brauning Great Blue Heron and Bald Eagle Nesting Update 102
58
Dan Brauning Short-eared Owls Breed In Pennsylvania In 1997 122
47
Dan Brauning Recent History and Current Status of Peregrine Falcons in Pennsylvania 052
59
Dan Brauning Recent History and Current Status of Nesting Bald Eagles in Pennsylvania 061
2
Dan Brauning Second Atlas of Breeding Birds in Pennsylvania - publication forthcoming 262
79
Dan Brauning Patterns and Probability of Detecting Pennsylvania's Birds of Note 342
66
Dan Brauning Predictions for the Next Ten New Species to be found in Pennsylvania 344
196
Dan Brauning The Breeding Bird Survey in Pennsylvania - History, Importance, and Results 353
151
Dan Brauning Results Since Pennsylvania's First Breeding Bird Atlas: State's First Confirmed Breeding Reports 371
13
Charles Brightbill Harris' Sparrow, Franklin County 034
127
Charles Brightbill Mississippi Kite, Franklin/Fulton Counties 051
21
Margaret Brittingham Project FeederWatch in Pennsylvania 042
42
Arlene Brown Pennsylvania;'s First Record of Vermillion Flycatcher, Tioga County 054
156
Paul Brown Duck Stamps 101
12
W. P. Brown Prolonged Incubation of a hybrid-zone chickadee nest 233
149
W. P. Brown An unusual American Goldfinch nest in a corn plant 241
33
Margaret Buckwalter Woodcock Observations 072
54
Margaret Buckwalter Great Blue Heron Rookery on the Clarion River 092
66
Margaret Buckwalter Osprey Attempt to Nest in Clarion County 162
90
Margaret Buckwalter Short-eared Owls in Clarion County 022
55
Alan Buriak Mute Swans in Clarion County 323
154
Suzanne Butcher Observations During the Breeding Season of the Common Snipe in Lawrence and Mercer Counties of Western Pennsylvania 102
42
Dick Byers Bird Misidentification 141
15
Dick Byers How Many Birds Come to Your Feeder? 074
125
Dick Byers Owls of the Pennsylvania CBCs 044
130
Marvin Byler Summer Tanager in Crawford County 231
33
Brian Byrnes Retiring a Bird Patch 354
222
Amy Chabot Marsh Monitoring Program Needs You 084
220
Chuck Chalfant Anhinga Church Farm School Pond, Exton, Chester County 202
64
Dick Cleary Serendipitous Shrike, A 024
127
PORC Documenting Rare Birds: What the Records Committee Needs 142
98
PORC How to Report Rare Birds 152
57
Skip Conant Day on Dutch Mountain, A 011
3
Skip Conant Joys of Atlasing, The 021
5
Skip Conant First Confirmed Evening Grosbeak Nest in Pa. 083
133
Skip Conant First Documented Nesting Record for American Bittern (Botaurus lentginosus) for Sullivan County, Pennsylvania 113
145
Skip Conant Nesting Red-headed Woodpeckers in Sullivan County - 1998 122
59
Skip Conant Sandhill Cranes Sullivan County 163
156
Ben Coulter Pennsylvania's First California Gull Erie County. . 163
147
Kevin Crilley Remembering Ralph Bardman 161
7
Kevin Crilley Green Lane Reservoir/Upper Perkiomen Valley Parks, Site Guide, Montgomery County 054
148
Kevin Crilley Unami Creek Valley (Montgomery) 084
209
Kevin Crilley Sandhill Crane, Montgomery County 054
155
Kevin Crilley Sharp-tailed Sparrow at Green Lane Reservoir, Montgomery County 034
127
Robert Criswell Sedge Wren, Crawford County 033
97
Anthony Croasdale Townsend's Warbler on the Delaware/Philadelphia Line 244
185
Fred Crowley Clarion County Birdlist 074
123
Glenn Czulada Long Pond, Pocono Plateau, Monroe County: Site Guide 153
146
Dave Darney Swainson's Warbler - Allegheny County 012
30
Cynthia Davis Record Number of Greater White-fronted Geese in Pennsylvania 111
7
Barb Dean Big Ma Ma 021
9
Barb Dean Through the Seasons 052
70
Barb Dean 104 Upland Sandpipers in Mercer County 032
54
Barb Dean Confirmed Nesting of N. Mockingbird in Lawrence 083
144
Barb Dean Dickcissels in Lawrence & Venango Counties 082
90
Barb Dean Short-eared Owls, Mercer County 032
53
Barb Dean Update on Great Blue Heronries in Lawrence County 081
12
Barb Dean Observations During the Breeding Season of the Common Snipe in Lawrence and Mercer Counties of Western Pennsylvania 102
42
David DeCalesta White-tailed Deer Alter Diversity of Songbirds And Their Habitat in Northwestern Pennsylvania 102
55
Dave DeReamus Chumming for Longspurs 044
137
Dave DeReamus Surfing a Warbler Wave - Northampton County Big Day - 1996 102
59
Dave DeReamus Wanderings - The "Red-eyed Birding Tour" 171
38
Dave DeReamus Case of the Mystery Sharp-tailed Sparrow, The 181
2
Dave DeReamus Casper and His Ghostly Friends Glaucous and Iceland Gulls in Northampton County 131
16
Dave DeReamus Early Late Osprey Flight, The 042
50
Dave DeReamus An Exciting Afternoon with a Gyrfalcon in Northhampton County November 11, 2018 332
88
Dave DeReamus Killer Frog, The 351
17
Dave DeReamus Glaucous-winged Gull in Pennsylvania, A 361
18
Dave DeReamus Mountain Bluebird in Northampton County 364
217
Karen DeSantis Scissor-tailed Flycatcher, Westmoreland County 222
94
Don Detwiler White Ibis in Dauphin County 213
127
Tom Dick Restored Wetlands as Management Tools for Wetland-Dependent Birds 071
4
Chris Dooley Recent History and Current Status of Peregrine Falcons in Pennsylvania 052
59
Paul Driver Sedge Wrens successfully breed in Montgomery County in 2012 272
86
Theodore Drozdowski Chester County Big Year 194
192
Patricia Kaye T. Dumandan Abundance and Timing of Raptors During Spring Migration at Hawk Mountain, Pennsylvania, 1969 to 2016 304
188
Mary Ann Dunmire First Documented Record of Black-bellied Whistling-Ducks for Pennsylvania, Indiana & Westmoreland Cos. 072
50
T. E. Dutt An unusual American Goldfinch nest in a corn plant 241
33
Laura Duval The Nightjar Survey Network: A network of citizen scientists compiling data on declining, cryptic birds 333
166
Jerry Dyer Call the Answer Man! 023
94
Jerry Dyer Mother of All Bird Alerts: A Cautionary "Tail", The 052
65
Stevens Eckscher Taylor Memorial Arboretum, The 013
75
wade Edris Birding at the Hershey Medical Center 023
90
Wes Egli Rose Valley Lake, Site Guide, Lycoming County 043
94
Wes Egli Peregrine Falcon Reintroduction in Williamsport 094
199
Elizabeth W. Eisenhauer Summary of an American Kestrel Nest Box Program in New Jersey and Pennsylvania 362
68
Steve C.Eisenhauer Summary of an American Kestrel Nest Box Program in New Jersey and Pennsylvania 362
68
Steve C.Eisenhauer RESEARCH UPDATE: Central Pennsylvania American Kestrel Nest Box Program (2023) 373
156
Joseph M. Elias Can Nest Boxes be used to Effectively Manage Northern Saw-whet Owls in the Allegheny National Forest? 351
2
Carl Engstrom Predictions for the Next Ten New Species to be found in Pennsylvania 344
196
Bill Etter Pennsylvania Migration Count 2007 213
128
Bill Etter Pennsylvania's Second Long-tailed Jaeger, Bucks County 174
267
Bill Evans Spring Migration Timing of Grasshopper Sparrows in Central Pennsylvania as Estimated from eBird Records and Two Nocturnal Flight Call Stations 332
89
Devich Farbotnik Official List of the Birds of Pennsylvania 321
23
Devich Farbotnik Pennsylvania's First Calliope Hummingbird Montgomery County 163
146
Steve Farbotnik Unusual Field Sparrow Nest, An 031
13
Michael Farhoud Spring Migration at Hawk Mountain Sanctuary, 1969-1998 131
11
Vic Fazio Some Variability in the Extent of Bill Color in Female Common Goldeneye: A Cautionary Note 062
56
John Fedak Pennsylvania Migration Count 2013 273
148
John Fedak Serendipitous Birding or Lucky Chasing 191
30
John Fedak Site Guide - Piney Tract (Clarion County) 124
176
John Fedak Documentation of Clay-colored Sparrow Breeding at Piney Tract, Clarion County 132
63
John Fedak Short-eared Owls Breed In Pennsylvania In 1997 122
47
John Fedak Pennsylvania Migration Count 2010 243
132
John Fedak Pennsylvania Migration Count 2011 253
142
John Fedak Pennsylvania Migration Count 2012 263
142
Steven Feldstein Annotated List of the Field-identifiable and Non-field-identifiable Bird Subspecies and Morphs of Pennsylvania, An 114
178
Steven Feldstein Documentation of Bicknell's Thrush for P.O.R.C. 102
47
Steven Feldstein Fallout of Horned Grebes during a Snowstorm, A 092
61
Steven Feldstein Late Yellow Warbler, A, Centre County 084
218
Mike Fialkovich Two in a row: Pittsburgh's winters of gulls, 2014 and 2015 291
4
Mike Fialkovich Imperial Grasslands--Site Overview and a Summary of Bird Records, The 191
2
Mike Fialkovich Fox Sparrow Fallout Due To a Late Winter Storm 212
78
Mike Fialkovich Magnolia Warbler Trap 224
215
Mike Fialkovich Pittsburgh's Winter of Gulls 211
21
Mike Fialkovich White-winged Crossbill Invasion of 2008-09 232
78
Mike Fialkovich Updates to the Annotated List of Birds of the Imperial Grasslands, Allegheny County 261
24
Mike Fialkovich Report of the Pennsylvania Ornithological Records Committee, 21st - August 2017 312
68
Mike Fialkovich Report of the Pennsylvania Ornithological Records Committee, 22nd - January 2018 314
212
Mike Fialkovich Report of the Pennsylvania Ornithological Records Committee, 23rd - October 2018 323
144
Mike Fialkovich Report of the Pennsylvania Ornithological Records Committee, 24th - April 2019 332
76
Mike Fialkovich Report of the Pennsylvania Ornithological Records Committee, 25th - January 2020 334
216
Mike Fialkovich Report of the Pennsylvania Ornithological Records Committee, 26th - February 2021 344
207
Mike Fialkovich Report of the Pennsylvania Ornithological Records Committee, 27th - May 2022 362
75
Edward Fingerhood First Documented Record of Summering Winter Wrens in Philadelphia 053
119
Edward Fingerhood Notes on the Extermination of the Wild Pigeon 093
132
Edward Fingerhood Record Broad-winged Hawk Flight Over Philadelphia 073
93
Ted Floyd Future Breeders in Pa.? More Guesses 084
208
Ted Floyd Miracle at Imperial 084
207
Ted Floyd Neotropical Migrants in Pennsylvania, Evidence of Absence or Absence of evidence? 084
201
Ted Floyd Weather and the Distribution of Birds 101
2
Ted Floyd Preliminary Checklist of the Birds of Allegheny Co. 083
142
Ted Floyd Brewer's Blackbird, Erie County 044
142
Ted Floyd Dark Morph "Western" Red-tailed Hawk, Centre County 061
6
Ted Floyd Herring Gull Attacks Red-breasted Merganser 044
144
Ted Floyd King Eider, Erie County 051
20
Ted Floyd Note on Hooded Merganser Breeding in Pennsylvania and Nearby States, A 104
205
Ted Floyd Red-bellied Woodpecker Caches Corn Kernels in a Telephone Pole 044
145
Ted Floyd First Breeding Colony of Herring Gulls in PA 081
34
Paula Ford Checklist of the Birds of Blair County 084
216
Gary Freed Peregrine Falcon --Unable to Fly, A 014
111
Ron French Saw-whet Owl Attacks Feline 044
144
Roy F. Frock Jr Cooper's Hawk, banded in PA, recovered in New Brunswick 141
10
Roy F. Frock Jr New Longevity Record for a wild Red-tailed Hawk 122
52
Ross Gallardy Three Pennsylvania Firsts–Limpkin, Broad-billed Hummingbird, and Ferruginous Hawk 373
157
Tom Garner Second Pennsylvania Record of Ross' Goose, Lancaster County 051
19
Vernon Gauthier Pennsylvania Migration Count 2014 283
151
Vernon Gauthier Pennsylvania's Wintering Least Sandpiper 231
34
Vernon Gauthier Black-throated Gray Warbler in Cumberland County 234
188
Vernon Gauthier Where Is That Bird Anyway? 304
206
Vernon Gauthier Annotated List of Cumberland County Birds 303
138
Vernon Gauthier First Confirmed Nesting of Prothonotary Warbler in Cumberland County 333
168
John Ginaven Luring Purple Martins 034
133
Thomas Glover Trumpeter Swans Breeding in Pennsylvania 324
190
Laurie Goodrich Autumn Raptor Migration Summary 2010 244
168
Laurie Goodrich Raptor Migration Summary - Spring 2011 252
74
Laurie Goodrich Autumn Raptor Migration Summary 2011 254
190
Laurie Goodrich Raptor Migration Summary - Spring 2012 262
76
Laurie Goodrich Raptor Migration Summary - Spring 2015 292
84
Laurie Goodrich Spring Raptor Migration Summary 2016 302
69
Laurie Goodrich Abundance and Timing of Raptors During Spring Migration at Hawk Mountain, Pennsylvania, 1969 to 2016 304
188
Laurie Goodrich Autumn Raptor Migration Summary 2016 304
199
Laurie Goodrich Spring Raptor Migration Summary 2017 312
63
Laurie Goodrich Autumn Raptor Migration Summary 2017 314
204
Laurie Goodrich Spring Raptor Migration Summary 2018 322
76
Laurie Goodrich Autumn Raptor Migration Summary 2018 324
199
Laurie Goodrich Cyclical Pattern Detected in Northern Harrier Migration Counts at Some Pennsylvania Hawk Watches 371
9
Laurie Goodrich Autumn Raptor Migration Summary 2015 294
193
Laurie Goodrich Autumn Raptor Migration Summary 2012 264
196
Laurie Goodrich Raptor Migration Summary - Spring 2013 272
80
Laurie Goodrich Autumn Raptor Migration Summary 2013 274
191
Laurie Goodrich Raptor Migration Summary - Spring 2014 282
85
Laurie Goodrich Autumn Raptor Migration Summary 2014 284
199
Laurie Goodrich Autumn Raptor Migration Summary 2008 224
200
Laurie Goodrich Ornithological Technical Committee -- Meeting Summary 093
134
Laurie Goodrich Ornithological Technical Committee -- Meeting Summary 094
190
Laurie Goodrich Ornithological Technical Committee -- Meeting Summary 084
221
Laurie Goodrich Spring Raptor Migration Summary 2008 222
89
Laurie Goodrich Temporal Field Guide to Autumn Raptor Migration at Hawk Mountain Sanctuary, Pennsylvania, A 103
134
Laurie Goodrich Spring Migration at Hawk Mountain Sanctuary, 1969-1998 131
11
Laurie Goodrich Autumn Raptor Migration Summary 2009 234
178
Laurie Goodrich Raptor Migration Summary - Spring 2010 242
70
Warren Goodrich King Rail Sighted, Tioga County 033
96
Ian D. Gregg Results of the 2005 Pennsylvania Mid-Summer Mute Swan Survey 201
2
Scott Gregg Confessions of a Peregrine Addict 213
122
Alan Gregory Site Guide: Necopeck State Park - Luzerne County. 063
96
Kerry Grim State Game Lands #110, Site Guide, Berks County 052
68
Kerry Grim Large Catharus Thrush Migration in Hamburg, Berks Co., Pa. 142
99
Kerry Grim Sabine's Gull in Schulkill County 013
74
Ted Grisez List of the Birds of Warren County 171
31
Ted Grisez First Live Great Gray Owl in the 20th Century, Warren County 061
10
Ted Grisez Trumpeter Swans in Warren County 031
15
Joe Grom Bounty Law, The 031
13
Joe Grom Gypsy Moth Predators 033
95
Joe Grom Veery in North Park, The 031
13
Len Groshek Townsend's Solitaire McKean County 191
31
Doug Gross Ornithological Technical Committee -- Meeting Summary 091
3
Doug Gross P.O.R.C. Nominations Sought 074
130
Doug Gross Pennsylvania Breeding Birds of Special Concern 091
6
Doug Gross Birds of the Central Susquehanna Valley 024
132
Doug Gross Discovery of a Blackpoll Warbler Nest 083
128
Doug Gross Great Blue Heron Five-Year Statewide Survey Results, 2007-08 223
156
Doug Gross Yellow-bellied Flycatcher Nesting in Pennsylvania with a Review of its History, Distribution, Ecology, Behavior, and Conservation Problems 053
107
Deborah Grove Kinglet Survival Huntingdon County 081
19
Deborah Grove Identification of the Burket Triple HybridBrewster's/Chestnut-sided Warbler, The 334
223
Deborah Grove Swainson's Warblers!! Six Reported Sightings in the Spring of 2021 353
146
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2011 251
25
Gregory Grove Notes on 20 Years of Breeding Bird Surveys in Rothrock State Forest 253
146
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2012 261
25
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2013 271
22
Gregory Grove Pennsylvania's Importance to American Kestrels: A Regional Context 292
76
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2017 311
7
Gregory Grove Distribution Changes of Red-tailed Hawks in Pennsylvania and Regionally 314
193
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2018 321
18
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2019 331
20
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2020 341
15
Gregory Grove Predictions for the Next Ten New Species to be found in Pennsylvania 344
196
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2021 351
12
Gregory Grove Swainson's Warblers!! Six Reported Sightings in the Spring of 2021 353
146
Gregory Grove Northern Harrier Fall-Winter Distribution and Trends in Pennsylvania and Regionally 354
206
Gregory Grove Pennsylvania's American Kestrel nest box numbers from 2021 354
226
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2022 361
10
Gregory Grove Results from Pennsylvania Breeding Bird Atlas 1 and 2: Species showing likely population declines 363
152
Gregory Grove Cyclical Pattern Detected in Northern Harrier Migration Counts at Some Pennsylvania Hawk Watches 371
9
Gregory Grove Mystery Empid 371
24
Gregory Grove The 2023 Winter Raptor Survey in Pennsylvania 371
25
Gregory Grove Results of 2020 Pennsylvania Game Commission Marsh Bird Surveys with Comparisons to BBA Results 372
89
Gregory Grove Three Pennsylvania Firsts–Limpkin, Broad-billed Hummingbird, and Ferruginous Hawk 373
157
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2016 301
15
Gregory Grove Red-shouldered Hawks in Pennsylvania's Christmas Bird Count and Winter Raptor Survey 274
186
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2014 281
23
Gregory Grove Pennsylvania Rough-legged Hawk observations within a regional context: CBC and WRS data 282
78
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2015 291
25
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2006 - With a Summary of Results from 2001-2006 201
24
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2007 211
29
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2009 231
26
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2007-08 221
38
Gregory Grove Adventures of George Sutton, The 134
166
Gregory Grove Birding in Big (Kishacoquillas)Valley, Mifflin County 192
80
Gregory Grove Site Guide: Detweiler's Run Natural Area Huntingdon/Centre Counties 063
99
Gregory Grove Brewer's Blackbird, Huntingdon County 051
25
Gregory Grove Harlequin Duck in Huntingdon County 172
107
Gregory Grove Kinglet Survival Huntingdon County 081
19
Gregory Grove Winter Raptor Survey in Pennsylvania, The 2010 241
27
Al Guarente New Craze: A Hawkwatching Party, A 034
129
Al Guarente Tyler Arboretum, Site Guide, Delaware County 043
95
Al Guarente Anhinga, Delaware County 122
62
Al Guarente Black Skimmer - Delaware County 184
219
Al Guarente Leconte's Sparrow in Delaware County 231
34
Al Guarente Arctic Terns in Elk County 262
90
Al Guarente Checklist of the Birds of Delaware County 263
140
Michael Guenther Roost Exiting of Chimney Swifts 124
172
Joe Gyekis Spring Migration Timing of Grasshopper Sparrows in Central Pennsylvania as Estimated from eBird Records and Two Nocturnal Flight Call Stations 332
89
Joe Gyekis Predictions for the Next Ten New Species to be found in Pennsylvania 344
196
Barbara Haas Can You Hear Blue-winged Warblers? 053
114
Barbara Haas Keeping Records 024
133
Barbara Haas Try Your Best Guess! 031
14
Barbara Haas More Predictions 043
93
Barbara Haas News from the AOU...Splits, etc. 094
188
Barbara Haas Our Pennsylvania Big Year -- 1986, Part Four 024
121
Barbara Haas Our Pennsylvania Big Year -- 1986, Part One 021
12
Barbara Haas Our Pennsylvania Big Year -- 1986, Part Three 023
88
Barbara Haas Our Pennsylvania Big Year -- 1986, Part Two 022
52
Barbara Haas Predictions for the Next State Bird 033
95
Barbara Haas Predictions for the Next State Bird 032
57
Barbara Haas Harold B. Morrin -- Personality Profile 021
11
Barbara Haas Long-eared Mini, The 022
51
Barbara Haas Most Documented Record of a Hoary Redpoll in Pa., A 081
11
Franklin Haas Pennsylvania Migration Count 2013 273
148
Franklin Haas Pennsylvania Ornithological Records Committee - Bylaws 023
91
Franklin Haas Birding Ethics 063
100
Franklin Haas Pennsylvania Rare Bird Alerts 052
64
Franklin Haas Pennsylvania Rehabilitators 014
112
Franklin Haas Pennsylvania's "Breeding" Season 162
83
Franklin Haas What to do about Rare Bird Sightings? 014
103
Franklin Haas Another Big Year Attempt 044
178
Franklin Haas Birds of Pennsylvania, The - Sneak Preview 133
128
Franklin Haas Alcid Records in Pennsylvania 134
172
Franklin Haas Arrival Dates of Eastern Phoebe in Pennsylvania, 1987 - 2007 222
96
Franklin Haas Banding Records from Pennsylvania - Part 3 - Flycatchers 072
46
Franklin Haas Banding Records from Pennsylvania - Part 4 - Waders 073
84
Franklin Haas Banding Records from Pennsylvania - Part 5 - Loons, Grebes, and Cormorants 163
157
Franklin Haas Banding Records from Pennsylvania - Part 6 - Corvids 171
41
Franklin Haas Banding Records from Pennsylvania - Raptors 062
48
Franklin Haas Banding Records from Pennsylvania Part Two - Vireos 063
101
Franklin Haas Black Guillemot (Berks) 134
197
Franklin Haas Black-headed Grosbeak Lancaster County 171
36
Franklin Haas Early Arrival Dates for Eastern Phoebe 1987-1990 041
17
Franklin Haas First Pennsylvania Record of Ross' Goose, Lancaster County 051
19
Franklin Haas Northern Hawk Owl, Wayne County 051
16
Franklin Haas Pacific Slope Flycatcher, Lancaster County 044
142
Franklin Haas Recent Range Expansion and Population Increase of the Red-bellied Woodpecker in Pennsylvania 014
107
Franklin Haas Smart Hummingbird Behavior 213
125
Franklin Haas Pennsylvania Migration Count 2010 243
132
Franklin Haas Pennsylvania Migration Count 2011 253
142
Franklin Haas Pennsylvania Migration Count 2012 263
142
Franklin Haas Plover Palooza! 344
213
Franklin Haas 25 Years Ago in Pennsylvania Birds 373
162
Catherine D. Haffner Habitat restoration for the federally endangered Great Lakes Piping Plover at Presque Isle State Park, Erie County, Pennsylvania 281
2
Catherine D. Haffner Great Blue Heron Five-Year Statewide Survey Results, 2007-08 223
156
Eric Hall Ohiopyle State Park, Cross-country Ski Area, Site Guide, Fayette County 044
138
George Hall Field List of the Birds of Western Pennsylvania and Adjacent Regions 024
132
George Hall Red Phalarope, First County Record for Greene County 053
120
Matthew Halley Historical Records of Canada Jay (Perisoreus canadensis) in Pennsylvania 353
157
Henry Hallowell Jr Keeping Records 031
10
Holly Hartshorne Western Kingbird - Berks County 211
27
Jonathan Heller Looking for Gulls in Berks County 061
12
Jonathan Heller Week of Waterfowl on the Susquehanna, A 072
55
Jonathan Heller First Pennsylvania Record of Mew Gull, Berks County 061
7
Jonathan Heller Fourth Pennsylvania and Fourth Lancaster County Record of Ross' Goose, Lancaster County 061
6
Jonathan Heller Kites and More 092
65
Jonathan Heller Marbled Godwit, Lancaster County 053
120
Jane Henderson Turnstone is a Turnstone is a ... Turnstile??, A 064
147
Raymond Hendrick Our Work Must Continue! 041
9
Raymond Hendrick Perils of Birding Alone, The (Mississippi Kite) 022
46
Don Henise Pale Form of Field Sparrow 112
60
Kermit Henning Late nesting Woodpecker 154
227
Paul Hess Leucism - White or "Washed-Out"? 254
188
Paul Hess Woodpecker's Badly Deformed Bill Is an Avian Mystery, A 324
197
Paul Hess Report of the Pennsylvania Ornithological Records Committee, 11th - February 2002 153
149
Paul Hess Report of the Pennsylvania Ornithological Records Committee, 12th - June 2003 171
25
Paul Hess Hawk Mountain Petrel": First Pennsylvania Record, but Which Species?, The " 111
2
Paul Hess Migrant Numbers may not be What They Seem 074
131
Paul Hess Note on the Spring Passage, A 092
77
Paul Hess Old Days": Or, How I Learned to Love the Spruce Budworm, The " 093
124
Paul Hess American Tree Sparrows in Pennsylvania (Part 1), Speculations on a 15-year decline, 1973-1987 033
90
Paul Hess American Tree Sparrows in Pennsylvania (Part 2), Large Fluctuations add another Mystery 034
122
Paul Hess Carolina Wens at Pittsburgh, 1970-1988 031
3
Paul Hess Pennsylvania's Record High Northern Shrike Invasion of 1999-2000 141
2
Paul Hess Red-bellied Woodpecker 1990 CBC Update 063
106
Paul Hess Red-bellied Woodpecker Tumbled in 1990 on Southeastern Pennsylvania CBCs, The 061
15
Paul Hess Status and field identification problems of the Willet subspecies in Pennsylvania 122
42
Paul Hess Unusual Song Sparrow, An 094
191
Paul Hess Report of the Pennsylvania Ornithological Records Committee, 10th - February 2001 144
222
Paul Hess Pennsylvania's Crossbill Winter of 1997-98 121
2
Paul Hess Neotropical Migrants in Pennsylvania, Evidence of Absence or Absence of evidence? 084
201
Paul Hess Thrush Migration Pattern over Southwestern Pennsylvania, A 113
144
Paul Hess Preliminary Checklist of the Birds of Butler County 152
85
Paul Heveran Home Hawkwatching and Much More: Quarantine Spring Birding 342
74
Margaret Higbee Kirtland's Warbler Indiana County 172
108
William Lighthouse American Kestrel Nesting Box Project in Warren County 034
132
Jason Hill Spring Migration Timing of Grasshopper Sparrows in Central Pennsylvania as Estimated from eBird Records and Two Nocturnal Flight Call Stations 332
89
Deuane Hoffman Pennsylvania Bird Foray, Susquehannock State Forest, Potter County, 11-12 June 1999 132
81
Deuane Hoffman Red-necked Grebe Invasion 2003 172
111
Frank Hohenleitner When Mountain Birding Becomes More Than Birds 073
94
Frank Hohenleitner Hawk Watch Sites of Pennsylvania 111
8
Frank Hohenleitner Return of the Cooper's Hawk, The 072
52
Jason Horn Least Tern: A probable First County Record Montgomery Co. 072
54
Richard Humbert Grassland Birds, Adams County 023
94
Roy Ickes List of the birds of Washington County 253
157
Ann Johnson Fine Art of Documentation, The 041
6
Tom Johnson First Record of Scott's Oriole for Pennsylvania 211
26
Tom Johnson From the files of PORC: Arctic Tern identification 223
152
Tom Johnson From the Files of PORC: Swainson's Hawk and Mississippi Kite Identification 214
160
Tom Johnson Slaty-backed Gull in Pennsylvania (...and Ontario, and New York...), A 221
2
John Karish Inventory Program for Birds at Pennsylvania National Parks 172
70
Bill Keim Fork-tailed Flycatcher in Pennsylvania, A 203
128
Andy Keister Pennsylvania Birdlists, The 2020 351
18
Andy Keister Pennsylvania Birdlists, The 2021 354
229
Greg Keller Inventory Program for Birds at Pennsylvania National Parks 172
70
Rudy Keller First Nesting Record of Ruddy Duck (Oxyura jamaicensis) in Berks County, Pennsylvania 113
142
Rudy Keller Immature Trumpeter Swan at Blue Marsh Lake, Berks County 162
89
Rudy Keller Second Record of Black-legged Kittiwake for Berks County 051
23
Rudy Keller Second Report of Iceland Gull for Berks County 051
23
Rudy Keller What they ate: White-winged Crossbill food plants during the 2008-09 irruption in Pennsylvania 232
81
Rudy Keller Occurrence of Glaucous Gull and Iceland Gull in Berks County, The 351
11
Margaret Kenepp Mifflin County Eagles 034
131
Arthur Kennell First Confirmed Loggerhead Shrike Nesting in Pennsylvania Since 1934 062
65
Nick Kerlin Bird-Kite Encounters 094
194
Nick Kerlin Field Guide to Non-birds, A 063
107
Nick Kerlin Pine Siskin Banding Recovery: State College to Seattle 251
30
Nick Kerlin Unusually Large Gray Catbird Fault Bar 333
171
Scott Kinzey Status of the Common Nighthawk (Chordeiles minor) as a Nesting Species in Pennsylvania with an Emphasis on Western Pennsylvania 333
162
Scott Kinzey Common Nighthawk Nest in Verona, Allegheny, Summer 2020, A 343
149
Scott Kinzey Site Guide to Allegheny County's Portions of the Allegheny, Monongahela, and Ohio Rivers 144
217
Scott Kinzey Summary of Common Nighthawk Watches in Pennsylvania, 1999, A 141
11
Ken Kitson Keeping Track 051
4
Ken Kitson Osprey Surprise 044
144
Ken Kitson Cliff Swallows Use Artificial Nests at Center Bridge, Bucks County 052
55
Marylea Klauder 3857 Raptors and SO MUCH MORE! 031
12
Marylea Klauder Second Year - Hawk Watch at Militia Hill, The 034
130
Vera Klingsberg Evolution of a "Bird Pest" 064
148
James B. Klucsarits Breeding Success of American Kestrels Nesting in Boxes in Eastern Pennsylvania, 1987-1994 113
138
James B. Klucsarits Reproductive Success of American Kestrels Using Nest Boxes in Eastern Pennsylvania, 1992-2005 203
112
David Klute American Woodcock Habitat Survey 093
123
David Klute Inventory Program for Birds at Pennsylvania National Parks 172
70
Katrina Knight Winter of the Goose in Berks County, The 111
6
Arlene Koch Birding can be a Dirty Business 092
64
Arlene Koch Clunky-shaped Bird, The 112
58
Arlene Koch Flycatcher in the Honeysuckle Bush, The 114
222
Arlene Koch Frogs at the Knob 014
113
Arlene Koch Here's the B's 012
34
Arlene Koch It's Called a What? 063
109
Arlene Koch Less than Lesser Goldfinch, The 074
129
Arlene Koch Mr. Floyd and Mr. Franklin 043
91
Arlene Koch Season of the Shrike, The 094
189
Arlene Koch Six-Thirty Bird, The 032
52
Arlene Koch Sparrow Fields, The 103
145
Arlene Koch Personality Profile: Jan & Eric Witmer 091
14
Arlene Koch Personality Profile: Robert M. Schutsky 081
10
Arlene Koch Alan Brady: Personality Profile 083
141
Arlene Koch Banded Hummingbirds 193
161
Arlene Koch Brewer's Blackbird, Northampton County 044
143
Arlene Koch Great Cormorants at Martins Creek, Northampton County, First County Record 064
145
Arlene Koch Great Dickcissel Flyway, The 083
146
Arlene Koch Puzzling Rufous Hummingbird, A 154
225
Arlene Koch Rufous (R/A-Type) Hummingbirds in Pennsylvania 171
2
Arlene Koch What is that Bird? (Mississippi Kite) 022
46
Arlene Koch White Ibis in Northampton County 213
126
Arlene Koch Predictions for the Next Ten New Species to be found in Pennsylvania 344
196
Kathy Korber Summary of the 2012 Dickcissel Invasion 273
146
Richard Koval Successful Nesting by Wyoming Valley Peregrine Falcons 134
169
David Krueger Swainson's Warbler in Western Pennsylvania -- rare vagrant or breeding species? 033
89
Ed Kwater Report of the Pennsylvania Ornithological Records Committee, 5th - June 1994 081
20
Ed Kwater Report of the Pennsylvania Ornithological Records Committee, 4th - April 1992 071
9
Ed Kwater Official List of the Birds of Pennsylvania - 1990 042
51
Ed Kwater Pennsylvania Ornithological Records Committee News 031
8
Ed Kwater Report of the Pennsylvania Ornithological Records Committee, 2nd - May 1991 051
26
Ed Kwater Report of the Pennsylvania Ornithological Records Committee, 3rd - April 1992 061
18
Ed Kwater Documenting Rare Birds in Pa. - Part 1 082
63
Ed Kwater Gerald M. Mcwilliams - Personality Profile 032
55
Ed Kwater Behavior of an American Bittern in Response to a Fox 094
191
Ed Kwater Common Black-headed Gull in Erie County 024
130
Ed Kwater Eastern Race of Palm Warbler in Erie County 092
66
Ed Kwater First Record of Ross' Gull for Pa. York County 082
87
Ed Kwater Long-tailed Jaeger, Erie County 043
98
Ed Kwater Mississippi Kite in Beaver County 023
82
Ed Kwater Occurrence of Wing-tagged Trumpeter Swan (Olor buccinator) in Pennsylvania and New York 032
47
Ed Kwater Parasitic Jaeger, Erie County 043
97
Ed Kwater Pennsylvania's First Mew Gull with Notes on its Racial Identification 061
8
Ed Kwater Possible Origin of Pa.'s 1st Nesting Record of Herring Gull 082
97
Ed Kwater Sabine's Gulls, Erie and Lancaster Counties 033
96
Ed Kwater Sharp-tailed Sparrow in Crawford County 024
129
Ed Kwater Unusual Pelican in Beaver County?, An 112
55
Dave Kyler Brumbaugh Homestead 011
2
Dave Kyler Trough Creek Valley -- Huntingdon County 014
116
Dave Kyler Water Street Warblers -- Blair County 014
115
Mike Lanzone Year at the Lake, The 271
20
Dennis Lauffer Thrush Migration Pattern over Southwestern Pennsylvania, A 113
144
Isis Lawson Patterns and Probability of Detecting Pennsylvania's Birds of Note 342
66
Michael Leahy Pennsylvania's Crossbill Winter of 1997-98 121
2
Robert C. Leberman Another Unique Rail Specimen from Southwestern Pennsylvania: a Clapper Rail 031
14
Robert C. Leberman First Verifiable Pennsylvania Record of Le Conte's Sparrow, Westmoreland County 054
157
Robert C. Leberman Migration of Western and Yellow Palm Warblers at Powdermill Nature Reserve, Westmoreland County, Pennsylvania 163
160
Robert C. Leberman Rufous Hummingbird, Westmoreland County 044
139
Ken Lebo Carr's Recreation Park, Berks: Site Guide 103
143
Ken Lebo Arctic Tern, Berks County 122
62
Ken Lebo Yellow Siskin in Berks County 161
7
Benjamin E. Leese Black Vulture (Coragyps atratus) Nesting in Lebanon County 203
127
Benjamin E. Leese Putative Records of the Ivory-billed Woodpecker in Pennsylvania and the mid-Atlantic 302
71
Barbara Leo Leucistic Barn Swallows 244
189
Lee Levengood Purple Gallinule Macungie, Lehigh County 204
173
Rich Lichty Great Blue Heron Catches Snake in January 051
7
Annie Lindsay Where do birds get fat? A new application of stable isotope analysis on fat stores in migrating songbirds 361
15
Annie Lindsay Where do birds get fat? A new application of stable isotope analysis on fat stores in migrating songbirds 362
88
Karen Lippy Site Guide to Codorus State Park - York 102
57
Karen Lippy Raven Nest Discovered in York County 102
45
Sandy Lockerman Bahama Woodstar in Lancaster County 272
78
Sandy Lockerman Summary of Wintering Hummingbirds in Pennsylvania 311
12
Jim Lockyer Hurricane Isabel's Birds with notes on previous tropical storms and storm related birds 174
246
Jim Lockyer 12:15 PM, "It Must be a Cattle Egret" 022
48
Jim Lockyer Hawk Watch - A Video Guide To Eastern Raptors: DVD REVIEW 163
171
David B. Long Two Local Bird Record Collections Transferred 202
66
David B. Long Update on the Ceramic Cliff Swallow Nests at Center Bridge 112
59
Bob MacClay Notes form the Route 183 Lookout 034
131
Alan MacEachren Geobirding: Filling in the Data Gaps 364
204
Geoff Malosh The Baird's Sandpiper Flight of 2010 244
190
Geoff Malosh Unusual Birds in Allegheny County 252
79
Geoff Malosh Terns of Hurricane Irene, and other fallout 254
212
Geoff Malosh The White-rumped Sandpiper and Sanderling flights of 2011 254
213
Geoff Malosh Greater White-fronted Goose Invasion of 2016, The 302
64
Geoff Malosh First confirmed breeding record of Virginia Rail in Allegheny County 303
136
Geoff Malosh Curious History of Black-headed Gull in Southwestern Pennsylvania, The 341
2
Geoff Malosh Fifty years of shorebirds at Shenango Reservoir, Mercer County, 1965-2015 293
146
Geoff Malosh Hurricane Sandy in Pennsylvania: 29-31 October 2012 264
204
Geoff Malosh Record-breaking gulls in Erie County, March 2013 272
83
Geoff Malosh Sabine's Gull in Crawford County, with notes on its history in Pennsylvania and the region 284
190
Geoff Malosh Two in a row: Pittsburgh's winters of gulls, 2014 and 2015 291
4
Geoff Malosh Magical day at Bald Knob, A 194
190
Geoff Malosh Pittsburgh's Winter of Gulls 211
21
Geoff Malosh Thoughts on the Modern Approach to Field Identification of Dowitchers 203
124
Geoff Malosh Belated Report of Northern Gannet in Warren County 213
133
Geoff Malosh Bonaparte's Gull Migration in Southwestern Pennsylvania - Understanding "The April 10 Effect" 202
67
Geoff Malosh Cave Swallow (Petrochelidon fulva) at Roderick Wildlife Reserve, Erie County, PA 13 Nov 2005 194
194
Geoff Malosh Chase for a Sabine's 224
216
Geoff Malosh Difficult Dowitcher in Beaver County, A 204
170
Geoff Malosh Great Blue Heron x Great Egret in Washington County 182
72
Geoff Malosh Hybrid Cinnamon x Blue-winged Teal, Washington County 222
95
Geoff Malosh Snowy Plover Allegheny County 163
153
Geoff Malosh Acceptance of Barnacle Goose to the Official List of the Birds of Pennsylvania 224
194
Geoff Malosh Arctic Terns at Dashields Dam, Allegheny County 242
74
Anthony Marich Jr. Impacts of Water Level Flucuation for Fishery Management on Waterfowl Usage and Brood Production 071
7
Anthony Marich Jr. Reporting Neck-collared Swans and Geese 104
231
Anthony Marich Jr. Waterfowl Watcher Alert! Neck-collared Geese and Swans Being Sighted 021
8
Anthony Marich Jr. Brant Flight -Weather Related Observations in Erie, Crawford, and Somerset Counties 104
231
Anthony Marich Jr. Osprey Nesting in Southwestern Somerset County 052
62
Terry Master Pennsylvania's Piscivorous Birds 091
11
Kyle McCarty Spring Migration at Hawk Mountain Sanctuary, 1969-1998 131
11
Mark McConaughy First Double-crested Cormorant Nesting in Pennsylvania 103
151
Andrew McGann Report of the Pennsylvania Ornithological Records Committee, 21st - August 2017 312
68
Barbara McGuinness White-tailed Deer Alter Diversity of Songbirds And Their Habitat in Northwestern Pennsylvania 102
55
Marty McKay Wood Duck Tale, A 032
53
Nathan J. McKelvie Black Vulture (Coragyps atratus) Nesting in Lebanon County 203
127
Moire McLaughlin Almost Stilted Over a Reclusive Stilt 062
66
Art McMorris Pennsylvania's Peregrine Falcons: a Comeback in Progress 262
74
Bruce McNaught Big Day 1988 - Bucks County 022
50
Bruce McNaught Fred Mears--Personality Profile 024
126
Bruce McNaught Cliff Swallows Use Artificial Nests at Center Bridge, Bucks County 052
55
Bruce McNaught Green-tailed Towhee in Bucks County 021
7
Jerry McWilliams American Avocet, Erie County 032
57
Jerry McWilliams Attempted Nesting of Three Species of Laridae at Presque Isle State Park 092
79
Jerry McWilliams Band-rumped Storm-Petrel (Oceanodroma castro) Found on the Shore of Lake Erie in Pennsylvania, A 123
127
Jerry McWilliams Clay-colored Sparrow, Erie County 052
71
Jerry McWilliams Common Black-headed Gull in Erie County 032
57
Jerry McWilliams First Pennsylvania Record of Pacific Loon, Erie County 064
144
Jerry McWilliams First Record of Loggerhead Shrike since 1982 in Erie County 051
24
Jerry McWilliams First Successful Ring-billed Gull (Larus delawarensis) Nesting in Pennsylvania, The 132
62
Jerry McWilliams First White-winged Dove Record for Pennsylvania, Erie County 102
95
Jerry McWilliams First Winter Record of Forster's Tern in Pennsylvania, Erie County 051
24
Jerry McWilliams Harlequin Duck, Erie County 032
57
Jerry McWilliams Jaeger (Pomarine or Parasitic), Erie County 043
98
Jerry McWilliams Lark Bunting - Erie County 172
110
Jerry McWilliams Lawrence's Warbler, Erie County 043
100
Jerry McWilliams Lesser Sandhill Crane (Grus canadensis canadensis) Erie County 201
6
Jerry McWilliams Long-billed Curlew, Erie County 194
196
Jerry McWilliams Mississippi Kite, Erie County 022
47
Jerry McWilliams Ninth Record of Harlequin Duck, Erie County 051
20
Jerry McWilliams Parasitic Jaeger - Presque Isle State Park, Erie County 193
157
Jerry McWilliams Partial Remains of Thayer's Gull from Presque Isle State Park, Erie County 052
72
Jerry McWilliams Purple Gallinule (Erie) 134
197
Jerry McWilliams Notes on Common Terns and their recent attempt to nest at Presque Isle 263
138
Jerry McWilliams Effects of Climate Change on Bird Migration in Erie County 332
83
Rick Mellon Neotropical Migrants in Pa. 081
2
Joe Meloney Birding the Mundane and Finding the Rare... First Record of a Pacific-slope Flycatcher East of the Mississippi 044
135
Holly Merker Where the Bird Flies… The Reason for Different Counting Protocols 304
207
Holly Merker Official List of the Birds of Pennsylvania 321
23
Betsy Mescavage Winter of the Long-eared Owls Northampton County 081
13
Mark Miller Black Rail in Berks County 132
80
Randy C. Miller Behavior Notes, Am. Woodcock Carrying Young 082
96
Randy C. Miller Invasion of the Varied Thrushes, The 081
16
Randy C. Miller Ash-throated Flycatcher in Lebanon County 234
188
Randy C. Miller Common Raven Nest in Cumberland County 152
90
August Mirabella The case of the dangling woodpecker 263
146
August Mirabella Redwing (Turdus Iliacus) - Bucks County 191
27
August Mirabella Royal Tern - Bucks County 184
220
Dick Mock Landowner -- Best Source of Information, The 021
6
Mark Monroe Black Rail in Berks County 132
80
Ron Montgomery Grassland Birding on Old Strip Mine Sites near Sligo, Clarion Co. PA 193
156
Harold Morrin Birding the Mundane and Finding the Rare... First Record of a Pacific-slope Flycatcher East of the Mississippi 044
135
Harold Morrin First Pennsylvania Record of Mew Gull, Berks County 061
7
Bernard Morris Dream Birding 024
125
Bernard Morris First Pennsylvania Record of MacGillivray's Warbler 191
11
Bob Mulvihill Occurrence of Dickcissels in Western Pennsylvania during the 1988 Nesting Season--Its Possible Bearing on the Species' Unusual History in Eastern North America 023
83
Bob Mulvihill Pomarine Jaeger - Cambria County 012
30
Bob Mulvihill Rufous Hummingbird, Westmoreland County 044
139
Bob Mulvihill Another Unique Rail Specimen from Southwestern Pennsylvania: a Clapper Rail 031
14
Bob Mulvihill Second Atlas of Breeding Birds in Pennsylvania - publication forthcoming 262
79
Ronald L. Mumme Cowbird Nest Parasitism is no Problem for Hooded Warblers 364
207
Sean P. Murphy Results of 2020 Pennsylvania Game Commission Marsh Bird Surveys with Comparisons to BBA Results 372
89
William Murphy Changes in Breeding Birds in Fort Washington State Park, Pennsylvania 1959-2003 182
70
Pamela Newitt European Robin (Erithacus rubecula) in Bucks County 291
29
Grace Oram Cyclical Pattern Detected in Northern Harrier Migration Counts at Some Pennsylvania Hawk Watches 371
9
Jennifer Ottinger Spring Migration at Hawk Mountain Sanctuary, 1969-1998 131
11
JoAnne Palka Dinner for Two 034
134
Joe Panza Joseph A. Grom--Personality Profile 023
88
Kenneth C. Parkes Summer Atlas of North American Birds-- a Pennsylvania Perspective, The 113
141
Kenneth C. Parkes Introduction to the Black-capped Petrel, An 041
2
Kenneth C. Parkes Sorting out the Chickadees in Southwestern Pennsylvania 014
105
Kenneth C. Parkes Subspecies and intergrade Red-tailed Hawks in western Pennsylvania 104
203
Kenneth C. Parkes Subspecies of the Sharp-tailed Sparrow and the Re-identification of a Western Pennsylvania Specimen, The 061
13
Jerry Pasquarella Warblers at the Bubbler 052
65
Jeff Payne Long-tailed Jaeger, Somerset County 194
195
Lauretta Payne Long-tailed Jaeger, Somerset County 194
195
Brenda Peebles Recent History and Current Status of Nesting Bald Eagles in Pennsylvania 061
2
Becky Peplinski 1987 Pennsylvania Big Day...A new State Record 012
35
Becky Peplinski Big Day 1988 - Centre County 022
50
John Peplinski Big Day 1988 - Centre County 022
50
Toby Petersham Green-tailed Towhee Juniata County 163
154
Peter E. Potter Behavioral Observations - American Crow 074
122
Jeff Price Modeling the Potential Impacts of Climate Change on the Summer Distributions of Pennsylvania's Nongame Birds 173
179
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 14th - Sept 2006 203
131
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 8th - June 1997 113
126
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 15th - May 2008 221
7
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 9th - June 1999 131
20
Nick Pulcinella Official List of the Birds of Pennsylvania - 1995 093
118
Nick Pulcinella Official List of the Birds of Pennsylvania - 2000 142
105
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 7th - June 1996 102
48
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 16th - May 2009 231
2
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 6th - June 1995 092
70
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 10th - February 2001 144
222
Nick Pulcinella Hurricane Fran's Fallout 103
138
Nick Pulcinella Official List of the Birds of Pennsylvania 204
184
Nick Pulcinella Pennsylvania Bird Clubs - Concocoheague Audubon Society and The Greater Wyoming Valley Audubon Society 171
37
Nick Pulcinella Pennsylvania Bird Clubs- Birding Club of Delaware County and the Presque Isle Audubon Society 173
183
Nick Pulcinella Rare Birds Summary for 1994 091
23
Nick Pulcinella Next 10 New Species for Pennsylvania, The 173
194
Nick Pulcinella Rare Birds Summary for 1995 102
51
Nick Pulcinella Vagrants, Strays, and Overdue Birds 093
128
Nick Pulcinella Acceptance of Barnacle Goose to the Official List of the Birds of Pennsylvania 224
194
Nick Pulcinella Anhinga, Montgomery County 102
93
Nick Pulcinella Another Sooty Tern from Hurricane Fran 142
109
Nick Pulcinella Arctic Tern, Bucks County 102
93
Nick Pulcinella Ash-throated Flycatcher, Northampton County 114
224
Nick Pulcinella Black-backed Woodpecker, Pike County 152
88
Nick Pulcinella Black-capped Petrel, Butler and Somerset Counties 103
152
Nick Pulcinella Black-legged Kittiwake, Montour County 074
135
Nick Pulcinella Black-throated Gray Warbler Berks County 111
20
Nick Pulcinella Bohemian Waxwing, Allegheny and Erie Counties 074
134
Nick Pulcinella Bullock's Oriole, Lancaster County 141
18
Nick Pulcinella Cave Swallow - Chester County 184
222
Nick Pulcinella Cinnamon Teal, Lancaster County 084
218
Nick Pulcinella Dark-morph Broad-winged Hawk, Delaware County 093
136
Nick Pulcinella Eurasian Collared-Dove, Crawford County 103
155
Nick Pulcinella First Pennsylvania Breeding Record for Great Black-backed Gull - Tinicum Township, Delaware County 203
129
Nick Pulcinella First Pennsylvania Record of Gray Kingbird 191
8
Nick Pulcinella Greater Shearwater Puffinis gravis, Berks County, First Documented Record for Pennsylvania 133
126
Nick Pulcinella Green-tailed Towhee, Montgomery County 084
218
Nick Pulcinella Gull-billed Tern, Lancaster County 083
147
Nick Pulcinella Gull-billed Tern, Lancaster County 103
153
Nick Pulcinella Hammond's Flycatcher, Northampton County 144
237
Nick Pulcinella Hoary Redpoll, Lancaster County 081
18
Nick Pulcinella Indigo Bunting, Westmoreland County 091
28
Nick Pulcinella Kirtland's Warbler, Franklin County 082
85
Nick Pulcinella Lark Sparrow, Allegheny County 082
85
Nick Pulcinella Laughing Gull, Warren County, First County Record 083
149
Nick Pulcinella LeConte's Sparrow, Lancaster County 081
17
Nick Pulcinella LeConte's Sparrow, Lawrence County 091
28
Nick Pulcinella Northern Wheatear, Bucks County 093
137
Nick Pulcinella Northern Wheatear, Juniata and Lebanon Counties 114
225
Nick Pulcinella Pacific Loon, Lancaster County 074
133
Nick Pulcinella Pacific Loon, Montgomery County 102
92
Nick Pulcinella Pink-footed Goose Berks County 111
20
Nick Pulcinella Rufous/Allen's Hummingbird, Bucks County 083
147
Nick Pulcinella Sooty Tern, Bucks, Delaware, and Lancaster Counties 103
154
Nick Pulcinella Spotted Towhee (Westmoreland) 134
200
Nick Pulcinella Townsend's Warbler, Luzerne County 114
226
Nick Pulcinella Unusual Tringa, An, Delaware County 114
227
Nick Pulcinella Wood Stork, Lancaster and Lebanon Counties 103
155
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 11th - February 2002 153
149
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 12th - June 2003 171
25
Nick Pulcinella Hurricane Isabel's Birds with notes on previous tropical storms and storm related birds 174
246
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 17th - January 2010 241
2
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 18th - February 2011 251
2
Nick Pulcinella Official List of the Birds of Pennsylvania - 2011 253
152
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 19th - April 2012 261
20
Nick Pulcinella Report of the Pennsylvania Ornithological Records Committee, 20th - April 2013 271
26
Nick Pulcinella Predictions for the Next Ten New Species to be found in Pennsylvania 344
196
Steve Rannels Black Rail Lebanon County 082
89
Steve Rannels Glossy Ibis in Dauphin County 042
50
Steve Rannels Birding at the Hershey Medical Center 023
90
Freda Rappaport First Documented Record of Summering Winter Wrens in Philadelphia 053
119
Bill Reddinger Participating in the Grassland Bird Survey 131
17
William Reid Breeding Bird Survey - Fifty 3-minute counts at one location 102
46
William Reid Behavior Notes, House Finches 082
96
David Rich First Pennsylvania Record of Mew Gull, Berks County 061
7
Bob Robertson Breeding Success of American Kestrels Nesting in Boxes in Eastern Pennsylvania, 1987-1994 113
138
Bob Robertson Reproductive Success of American Kestrels Using Nest Boxes in Eastern Pennsylvania, 1992-2005 203
112
Bob Robertson Nestbox use by American Kestrels and European Starlings in Eastern Pennsylvania 143
150
Sue Robertson Breeding Success of American Kestrels Nesting in Boxes in Eastern Pennsylvania, 1987-1994 113
138
Sue Robertson Reproductive Success of American Kestrels Using Nest Boxes in Eastern Pennsylvania, 1992-2005 203
112
Sue Robertson Nestbox use by American Kestrels and European Starlings in Eastern Pennsylvania 143
150
Peter J. Robinson Pennsylvania Birdlists, The 2013 274
199
Peter J. Robinson Pennsylvania Birdlists, The 2014 284
206
Peter J. Robinson Pennsylvania Birdlists, The 2006 211
34
Peter J. Robinson Pennsylvania Birdlists, The 2007 214
174
Peter J. Robinson Pennsylvania Birdlists, The 2008 224
207
Peter J. Robinson Pennsylvania Birdlists, The 2009 234
189
Peter J. Robinson Pennsylvania Birdlists, The 2010 244
177
Peter J. Robinson Pennsylvania Birdlists, The 2012 264
185
Peter J. Robinson Pennsylvania Birdlists, The 2016 304
210
Peter J. Robinson Comments on 2016 Birding in PA 304
220
Peter J. Robinson Pennsylvania Birdlists, The 2017 314
216
Nancy Rodgers Finding Sandhill Cranes in Western Pennsylvania 073
90
Nancy Rodgers More Notes on the Sandhill Cranes 083
137
Nancy Rodgers Observations During the Breeding Season of the Common Snipe in Lawrence and Mercer Counties of Western Pennsylvania 102
42
Bob Ross Wetlands of Northcentral Tioga County: Site Guide 092
67
Bob Ross Pennsylvania's Crossbill Winter of 1997-98 121
2
Brad Ross Inventory Program for Birds at Pennsylvania National Parks 172
70
Joshua J. Rusbuldt Reproductive Success of American Kestrels Using Nest Boxes in Eastern Pennsylvania, 1992-2005 203
112
Keith Russell Clapper Rail in Pa. 082
88
Cameron Rutt Occurrence and Identification of Greater White-fronted Goose in Pennsylvania 204
164
Cameron Rutt Purple Sandpiper Bucks County 163
155
Cameron Rutt Status and Distribution of Lesser Black-backed Gull in Pennsylvania 233
143
Cameron Rutt Bullock's Oriole in Montgomery County 251
29
Cameron Rutt Yellow-billed Loon in Dauphin County: First Pennsylvania Record 212
72
Don Rutz Our Friend, Jesse 072
48
Rita Rutz Our Friend, Jesse 072
48
Elaine Ryan Digiscoping: Adding a New Dimension to Birding 173
184
Russell Ryan Red Phalarope in York County 024
129
Matt Sabatine Searching for Nelson's Sparrow in Central Pennsylvania 284
197
Carmen T. Santasania Birding in PA Goes Electronic 132
82
Steve Santner January 061
14
Steve Santner Big Day 1989 A New Pennsylvania Record 032
49
Steve Santner County Listing 031
16
Steve Santner Iona/Reistville farm ponds, Site Guide, Lebanon County 042
54
Steve Santner Stony Creek Valley -- Dauphin and Lebanon Counties 014
117
Steve Santner Sharp-tailed Sparrows, Lancaster County 054
159
Steve Santner Summary of the Distribution of Ibises in Pennsylvania 054
150
Steve Santner Winter Record of Nashville Warbler, Lancaster County 051
24
Martha B. Sargent Significance of banding in the study of wintering Rufous Hummingbirds, The 214
164
Robert R. Sargent Significance of banding in the study of wintering Rufous Hummingbirds, The 214
164
sarah Sargent Habitat restoration for the federally endangered Great Lakes Piping Plover at Presque Isle State Park, Erie County, Pennsylvania 281
2
Michael Schall Breeding Ruddy Duck and Pied-billed Grebe in Northampton County 273
144
Michael Schall Red Phalarope - Northampton County 172
110
Bob Schutsky Storm Birds on the Lower Susquehanna 042
47
Bob Schutsky Red-necked Phalarope, Lancaster County 052
71
Bob Schutsky Unusual Lesser Black-backed Gull, An, Lancaster County 051
22
Glenna Schwalbe Blue Jays and Russian Roulette 053
116
Glenna Schwalbe Clarification, A 094
192
Glenna Schwalbe What?...How's that Again? 024
124
Glenna Schwalbe Where Were We?? 034
134
Glenna Schwalbe Breeding Season Record of a Short-eared Owl Clearfield Co. 072
53
Glenna Schwalbe Cooper's Hawk Utilizing Carrion 084
215
Glenna Schwalbe Cory's Shearwater, Lycoming County 103
152
Glenna Schwalbe Cory's Subspecies Determined 104
206
Paul Schwalbe Pennsylvania Needs 021
4
Paul Schwalbe Breeding Season Record of a Short-eared Owl Clearfield Co. 072
53
Paul Schwalbe Blue Jays and Russian Roulette 053
116
Paul Schwalbe Clarification, A 094
192
Paul Schwalbe Cooper's Hawk Utilizing Carrion 084
215
Paul Schwalbe Cory's Shearwater, Lycoming County 103
152
Paul Schwalbe What?...How's that Again? 024
124
Paul Schwalbe Where Were We?? 034
134
Paul Schwalbe Cory's Subspecies Determined 104
206
Allen Schweinsberg Great Milton Crow War, The 024
123
Allen Schweinsberg Veteran and the Neophyte, The 092
63
Janet Shaffer In Memorium - Merrill Wood 063
104
Brian Sharp Changes in Breeding Birds in Fort Washington State Park, Pennsylvania 1959-2003 182
70
Sandra Sherman Appalachian Spring 052
70
Sandra Sherman Western Kingbird, Philadelphia County 043
99
Ronald Singer Spring Hawk Watch Sites 094
192
Dan Snell Cave Swallow Cumberland County 163
152
Dick Snyder Western Tanager in Centre County 294
189
Robert Snyder First Sandhill Crane Sighting in Centre County 112
61
Robert Snyder Confirmed Nesting of Osprey in Centre and Clinton in 2018 331
12
Robert Snyder Merlin: Expansion of Breeding Range into Pennsylvania 334
226
Al Speise Big Day 1988 - York County 022
50
Matthew Spence Lake Ontelaunee, Berks County, Site Guide 051
13
Stan Stahl Atlasing Along RoaringRun, Lycoming County 022
54
Stan Stahl Royal Tern, Northumberland County 033
96
Stan Stahl Snow Bunting Observations from Montour Preserve 343
148
Jerry Stanley Site Guide to the Polk Wetlands, Venango County 151
10
Russ States Potential Problems with Neck Bands and Leg Bands 074
122
Russ States Two Mile Run Lake, Venango County 032
52
Russ States Black-and-white Warbler Nest, Venango County 032
51
Russ States Rare Birds in Venango County - Black-capped Petrel 034
124
Scott Stoleson Can Nest Boxes be used to Effectively Manage Northern Saw-whet Owls in the Allegheny National Forest? 351
2
Scott Stoleson Insights from 80 Years of Warren, PA, Christmas Bird Counts 372
83
Joe Strasser Birding in Wayne County 013
74
Voni Strasser Birding in Wayne County 013
74
Randy Stringer Cave Swallow (Mercer) 134
198
Jean Stull Third Western Pennsylvania Record of Mississippi Kite, Erie County 051
21
Jim Stull Third Western Pennsylvania Record of Mississippi Kite, Erie County 051
21
Kristi Sullivan Project FeederWatch in Pennsylvania 042
42
Chuck Tague Nesting Short-eared Owls at Imperial 114
216
Chuck Tague Pennsylvania's First Lewis's Woodpecker Bedford County 163
150
Jean-Francois Therrien Pennsylvania's Importance to American Kestrels: A Regional Context 292
76
Jean-Francois Therrien Abundance and Timing of Raptors During Spring Migration at Hawk Mountain, Pennsylvania, 1969 to 2016 304
188
Neal Thorpe My Silent Fall 043
96
Neal Thorpe Mont Clare Canal -- Montgomery County 014
118
Mike Toole Insights from 80 Years of Warren, PA, Christmas Bird Counts 372
83
Tina Toole Insights from 80 Years of Warren, PA, Christmas Bird Counts 372
83
Aden Troyer Bullock's Oriole (Icterus bullockii) in Juniata County 214
166
Aden Troyer Western Meadowlark in Dauphin County 232
94
Bill Uhrich First Documented Nesting Records of Hooded Merganser in Berks County, PA 142
68
T. J. Underwood Prolonged Incubation of a hybrid-zone chickadee nest 233
149
Ursula Valdez Nestbox use by American Kestrels and European Starlings in Eastern Pennsylvania 143
150
Alicia Van Arsdale Three Pennsylvania Firsts–Limpkin, Broad-billed Hummingbird, and Ferruginous Hawk 373
157
Bob Wasilewski Notes on the Physical Characteristics and Behavior of Peregrine Falcons in the Wyoming Valley (Luzerne County) 124
179
Bob Wasilewski Successful Nesting by Wyoming Valley Peregrine Falcons 134
169
Todd Watkins RESEARCH NOTE: Photographic Evidence of Brood Parasitism of Yellow-throated Warbler by Brown-headed Cowbird in Pennsylvania 372
82
Donald Watts Insights from 80 Years of Warren, PA, Christmas Bird Counts 372
83
Billy Weber Official List of the Birds of Pennsylvania 321
23
Billy Weber Strangers from Afar: Two Un-"twitch"able Additions to the PA Avifauna 341
6
Scott Weidensaul Documentation of Anna's Hummingbird in Berks County 252
81
Scott Weidensaul Western Hummingbirds in Pennsylvania - the Invasion of 2012 264
182
Scott Weidensaul Bahama Woodstar in Lancaster County 272
78
Scott Weidensaul Project SNOWStorm and PSO's owl "Erie" - an update 291
2
Scott Weidensaul Fall 2007: A Saw-whet Owl Flight of Historic Proportions 214
162
Scott Weidensaul White-winged Dove, Schuylkill County 122
63
Gene Wilhelm Ten Thousand Birds: Ornithology Since Darwin 294
190
Gene Wilhelm Second Atlas of Breeding Birds in Pennsylvania - Book Review 272
87
Gene Wilhelm The Crossley ID Guide: Raptors - Book Review 273
152
Gene Wilhelm Warbler Guide, The 274
197
Gene Wilhelm Birds of Hawaii, New Zealand, and the Central and West Pacific 274
197
Gene Wilhelm Birds of North America and Greenland 274
197
Gene Wilhelm Rare Birds of North America 281
27
Gene Wilhelm World's Rarest Birds, The 281
27
Gene Wilhelm Avian Conservation Plan for the Slippery Creek Watershed 283
148
Gene Wilhelm Unfeathered Bird, The 283
154
Gene Wilhelm Birds of the Lehigh Valley and Vicinity 283
154
Gene Wilhelm Applied Ecology 012
37
Gene Wilhelm Great Avian Depression, The 102
61
Gene Wilhelm Poplar Forest 142
100
Gene Wilhelm Some Northern Butler County Field Notes 142
110
Gene Wilhelm Preliminary Checklist of the Birds of Butler County 152
85
Gene Wilhelm Atlas of Breeding Birds in Pennsylvania, Book Review 064
140
Gene Wilhelm Birder's Guide to Pennsylvania: Book Review 104
213
Gene Wilhelm Birding in Western Pennsylvania: Book review 103
148
Gene Wilhelm Birds of Bucks County: Book Review 123
129
Gene Wilhelm Birds of Delaware County, Pennsylvania, BOOK REVIEW 133
127
Gene Wilhelm Birds of Ohio - Book Review 041
3
Gene Wilhelm Birds of Pennsylvania, The; BOOK REVIEW 141
13
Gene Wilhelm Birds of The Lehigh Valley and Vicinity: BOOK REVIEW 163
169
Gene Wilhelm Birdwatcher: The Life of Roger Tory Peterson 231
30
Gene Wilhelm Grail Bird, The - Book Review 203
126
Gene Wilhelm Century of Birdlife in Berks County, Pennsylvania, A; Book Review 121
10
Gene Wilhelm Important Bird Areas in Pennsylvania. A Guide to Identifying and Conserving Critical Bird Habitat, BOOK REVIEW 142
97
Gene Wilhelm John James Audubon: The Making of an American 204
190
Gene Wilhelm Kaufman Focus Guides Birds of North America: Book Review 152
50
Gene Wilhelm Nature Watch: Erie Pennsylvania and Nearby Areas 1985-1995, Book Review 113
146
Gene Wilhelm Owls of the North: A Naturalist's Handbook 222
97
Gene Wilhelm Sibley Field Guide to Birds of Eastern North America, The: Book Review 173
204
Gene Wilhelm Sibley Guide to Birds, The; Book Review 151
6
Gene Wilhelm Sibley's Birding Basics: BOOK REVIEW 171
44
Gene Wilhelm Smithsonian Field Guide to the Birds of North America 223
159
Gene Wilhelm West Virginia Breeding Bird Atlas, The 091
15
Gene Wilhelm Young Birder's Guide to the Birds of Eastern North America, The 222
97
Gene Wilhelm Barred Owl Note 123
132
Gene Wilhelm Barred Owl Note 121
9
Gene Wilhelm Breeding Dickcissel Behavior 083
139
Gene Wilhelm First Breeding Record of Sandhill Crane for Pennsylvania 073
91
Gene Wilhelm King Rail Breeding in Western Pennsylvania 073
89
Gene Wilhelm Note on Cuckoos in Butler County, A 113
174
Gene Wilhelm Sandhill Cranes in Mercer Co. 063
105
Gene Wilhelm Sandhill Cranes, Lawrence Co. 071
8
Gene Wilhelm Scenario of the Upland Sandpiper in Western Pa. 084
204
Gene Wilhelm Second Breeding Record of Sandhill Crane for Pa. 083
136
Gene Wilhelm Swallow and Cuckoo Notes 133
129
Gene Wilhelm Swallow Note 123
132
Gene Wilhelm Swallow Notes 121
9
Gene Wilhelm Yellow-bellied Sapsucker Nesting in Butler County 064
146
Gene Wilhelm Wintering Juncos 181
5
Gene Wilhelm Peterson Field Guide to Birds of North America 232
89
Gene Wilhelm Eastern Pennsylvania Birding and Wildlife Guide 233
148
Gene Wilhelm John Kirk Townsend: Collector of Audubon's Western Birds and Mammals 234
185
Gene Wilhelm Birds of Western North America: A Photographic Guide 241
25
Gene Wilhelm Birds of Eastern North America: A Photographic Guide 241
25
Gene Wilhelm Natural Pocono Mountains, The 242
77
Gene Wilhelm Avian Ecology and Conservation: A Pennsylvania Focus with National Implications 243
135
Gene Wilhelm Birds of Central Pennsylvania - Book Review 244
187
Gene Wilhelm Hawks at a Distance 252
77
Gene Wilhelm Crossley ID Guide: Eastern Birds, The 253
150
Gene Wilhelm Parrots of the World 254
198
Gene Wilhelm Avian Architecture and What the Robin Knows 262
82
Gene Wilhelm Bluebird Effect: Uncommon Bonds with Common Birds, The 263
147
Gene Wilhelm Sparrow - Book Review 271
35
Gene Wilhelm How to be a Better Birder - Book Review 264
195
Gene Wilhelm Passenger Pigeon, The - Book Review 292
87
Gene Wilhelm Witmer Stone: The Fascination of Nature - Book Review 302
73
Gene Wilhelm Better Birding: Tips, Tools, and Concepts for the Field - Book Review 311
14
Gene Wilhelm Birds of South America: Passerines - Book Review 304
208
Gene Wilhelm Waterfowl of North America, Europe, and Asia - Book Review 303
148
Gene Wilhelm Book Review: Bird Brain: An Exploration of Avian Intelligence 312
78
Gene Wilhelm Book Review: Waterfowl of North America, Europe, and Asia 313
148
Gene Wilhelm Greater Sandhill Crane in Pennsylvania, The 321
3
Gene Wilhelm Birds of Prey of the East: A Field Guide 322
84
Gene Wilhelm Birds of Prey of the West: A Field Guide 322
84
Gene Wilhelm Reference Guide to Gulls of the Americas, A 324
207
Gene Wilhelm Gulls of the World: A Photographic Guide 324
208
Gene Wilhelm Book Review: Birds of Chile: A Photo Guide 331
27
Gene Wilhelm Book Review: LISTENING TO A CONTINENT SING: Birdsong by Bicycle from the Atlantic to the Pacific 332
97
Gene Wilhelm Book Review: How to Be an Urban Birder 333
170
Gene Wilhelm Book Review: FAR FROM LAND: The Mysterious Lives of Seabirds 334
238
Gene Wilhelm Book Review: BIRD LOVE: The Family Life of Birds 341
20
Gene Wilhelm Book Review: BIRDS IN WINTER: Surviving the Most Challenging Season 342
81
Gene Wilhelm Great Avian Depression II 342
72
Gene Wilhelm Book Review: BIRDS OF VENANGO COUNTY: The status, distribution, and history of the birds of Pennsylvania's Oil Region 343
151
Gene Wilhelm 2021 Big Day for Birds! 352
80
Gene Wilhelm Book Review: GULLS SIMPLIFED: A Comparative Approach to Identfication 352
83
Gene Wilhelm UNDERSTANDING BIRD BEHAVIOR: An Illustrated Guide to What Birds Do and Why 353
159
Gene Wilhelm BIRDS OF MAINE by Peter D. Vickery 354
227
Gene Wilhelm Big Day for Birds! 363
164
Joanne Wilhelm Wintering Juncos 181
5
Andy Wilson Identification of a challenging empidonax flycatcher resolved 294
186
Andy Wilson Second Atlas of Breeding Birds in Pennsylvania - publication forthcoming 262
79
Rick Wiltraut Answer to Photo Quiz #29 244
186
Rick Wiltraut Photo-Quiz #30 - Inside back cover 251
Rick Wiltraut Answer to Photo Quiz #13 203
123
Rick Wiltraut Answer to Photo- Quiz #14 204
176
Rick Wiltraut Photo Quiz #1 Answer 173
231
Rick Wiltraut Photo Quiz #11 Answer 201
34
Rick Wiltraut Photo Quiz #12 Answer 202
65
Rick Wiltraut Photo Quiz #15 Answer 211
70
Rick Wiltraut Photo Quiz #16 - Inside back cover 211
Rick Wiltraut Photo Quiz #16 Answer 212
75
Rick Wiltraut Photo Quiz #17 - Inside back cover 212
Rick Wiltraut Photo Quiz #4 Answer 182
71
Rick Wiltraut Photo Quiz #5 - Inside back cover 182
Rick Wiltraut Photo Quiz #5 Answer 183
176
Rick Wiltraut Photo Quiz #6 Answer 184
231
Rick Wiltraut Photo Quiz #7 Answer 191
10
Rick Wiltraut Photo Quiz #8 Answer 192
112
Rick Wiltraut Photo Quiz #9 Answer 193
160
Rick Wiltraut Photo-Quiz #10 - Inside back cover 193
Rick Wiltraut Photo-Quiz #10 Answer 194
191
Rick Wiltraut Photo-Quiz #11 - Inside back cover 194
Rick Wiltraut Photo-Quiz #12 - Inside back cover 201
Rick Wiltraut Photo-Quiz #13 - Inside back cover 202
Rick Wiltraut Photo-Quiz #14 - Inside back cover 203
Rick Wiltraut Photo-Quiz #15 - Inside back cover 204
Rick Wiltraut Photo-Quiz #17 Answer 213
132
Rick Wiltraut Photo-Quiz #18 Answer 214
220
Rick Wiltraut Photo-Quiz #19 - Inside back cover 214
Rick Wiltraut Photo-Quiz #19 Answer 221
83
Rick Wiltraut Photo-Quiz #2 173
244
Rick Wiltraut Photo-Quiz #20 - Inside back cover 221
Rick Wiltraut Photo-Quiz #20 Answer 222
99
Rick Wiltraut Photo-Quiz #21 - Inside back cover 222
Rick Wiltraut Photo-Quiz #21 Answer 223
192
Rick Wiltraut Photo-Quiz #22 - Inside back cover 223
Rick Wiltraut Photo-Quiz #22 Answer 224
220
Rick Wiltraut Photo-Quiz #23 - Inside back cover 224
Rick Wiltraut Photo-Quiz #23 Answer 231
47
Rick Wiltraut Photo-Quiz #24 - Inside back cover 231
Rick Wiltraut Photo-Quiz #3 - Inside back cover 174
Rick Wiltraut Photo-Quiz #4 - Inside back cover 181
Rick Wiltraut Photo-Quiz #6 - Inside back cover 183
Rick Wiltraut Photo-Quiz #7 - Inside back cover 184
Rick Wiltraut Photo-Quiz #8 - Inside back cover 191
Rick Wiltraut Photo-Quiz #9 - Inside back cover 192
Rick Wiltraut Ruddy Turnbark and a Ruddy Rototiller, A 083
144
Rick Wiltraut Fall Shorebirding at Green Lane Reservoir, Montgomery County 024
131
Rick Wiltraut Arctic Terns in Carbon County 032
56
Rick Wiltraut Band-rumped Storm-petrel Bald Eagle State Park, Centre County, Pennsylvania, 9/20/03 174
265
Rick Wiltraut Behavior Notes, Yellow-crowned Night-Heron 082
95
Rick Wiltraut Blue Grosbeak, Fourth County Record for Northampton County 053
120
Rick Wiltraut Dark-morph Red-tailed Hawk, Northampton County 051
22
Rick Wiltraut First Confirmed Nesting of Common Raven in the Pocono Mountains, Monroe Co. 072
53
Rick Wiltraut First Documented Record of American Oystercatcher in Pennsylvania, Carbon Co. 072
51
Rick Wiltraut First Record of Sedge Wren wintering in Pennsylvania 191
29
Rick Wiltraut Hudsonian Godwit, Lehigh County 054
155
Rick Wiltraut Large Number of Hudsonian Godwits in Northampton County, Pennsylvania 184
221
Rick Wiltraut Red-necked Phalarope Attracted to Chum 073
93
Rick Wiltraut Second documented record of Curlew Sandpiper in Pennsylvania 182
74
Rick Wiltraut Western Kingbird, Northampton County 043
99
Rick Wiltraut Photo-Quiz #26 Answer 234
209
Rick Wiltraut Photo-Quiz #27 - Inside back cover 234
Rick Wiltraut Photo-Quiz #27 Answer 241
35
Rick Wiltraut Photo-Quiz #28 - Inside back cover 241
Rick Wiltraut Photo-Quiz #28 Answer 242
84
Rick Wiltraut Photo-Quiz #29 - Inside back cover 243
Frank Windfelder Cave Swallow - First for Philadelphia County 224
215
Gloria Winger Freeze! 044
145
Eric Witmer Franklin's Gull, Lancaster County 044
139
Eric Witmer Second State Record of Pacific Slope Flycatcher, Lancaster County 054
156
Matt Wlasniewski First Pennsylvania Record of Ancient Murrelet, Berks County 064
143
Elanor Wolf Site Guide to Marsh Creek State Park 161
5
Ricj Yahner Inventory Program for Birds at Pennsylvania National Parks 172
70
Eric Zawatski Predictions for the Next Ten New Species to be found in Pennsylvania 344
196
Lindsay Zemba Autumn Raptor Migration Summary 2007 214
168
Lindsay Zemba Spring Raptor Migration Summary 2006 202
71
Lindsay Zemba Spring Raptor Migration Summary 2007 212
74
Lindsay Zemba Autumn Raptor Migration Summary 2006 204
177
Ephraim Zimmerman Habitat restoration for the federally endangered Great Lakes Piping Plover at Presque Isle State Park, Erie County, Pennsylvania 281
2
M. E. Zuefle Prolonged Incubation of a hybrid-zone chickadee nest 233
149
M. E. Zuefle An unusual American Goldfinch nest in a corn plant 241
33