American Avocet, Erie County

Banding Records from Pennsylvania - Part 4 - Waders

Behavior of an American Bittern in Response to a Fox

First Documented Nesting Record for American Bittern (Botaurus lentginosus) for Sullivan County, Pennsylvania

Behavioral Observations - American Crow

An unusual American Goldfinch nest in a corn plant

Reproductive Success of American Kestrels Using Nest Boxes in Eastern Pennsylvania, 1992-2005

Breeding Success of American Kestrels Nesting in Boxes in Eastern Pennsylvania, 1987-1994

American Kestrel Nesting Box Project in Warren County

Nestbox use by American Kestrels and European Starlings in Eastern Pennsylvania

Banding Records from Pennsylvania - Raptors

First Documented Record of American Oystercatcher in Pennsylvania, Carbon Co.

American Tree Sparrows in Pennsylvania (Part 1), Speculations on a 15-year decline, 1973-1987

American Tree Sparrows in Pennsylvania (Part 2), Large Fluctuations add another Mystery

Unusual Pelican in Beaver County?, An

Behavior Notes, Am. Woodcock Carrying Young

American Woodcock Habitat Survey

First Pennsylvania Record of Ancient Murrelet, Berks County

Alcid Records in Pennsylvania

Anhinga, Montgomery County

Anhinga Church Farm School Pond, Exton, Chester County

Anhinga, Delaware County

Documentation of Anna’s Hummingbird in Berks County

Arctic Tern, Berks County

Arctic Tern, Bucks County

Arctic Terns at Dashields Dam, Allegheny County

Arctic Terns in Carbon County

From the files of PORC: Arctic Tern identification

Ash-throated Flycatcher in Lebanon County

Ash-throated Flycatcher, Northampton County

Alcid Records in Pennsylvania

The Baird’s Sandpiper Flight of 2010

Recent History and Current Status of Nesting Bald Eagles in Pennsylvania

Great Blue Heron and Bald Eagle Nesting Update

Banding Records from Pennsylvania - Raptors

Band-rumped Storm-petrel Bald Eagle State Park, Centre County, Pennsylvania, 9/20/03

Band-rumped Storm-Petrel (Oceanodroma castro) Found on the Shore of Lake Erie in Pennsylvania, A

Leucistic Barn Swallows

Acceptance of Barnacle Goose to the Official List of the Birds of Pennsylvania

Barred Owl Note

Barred Owl Note

Documentation of Bicknell's Thrush for P.O.R.C.

Alcid Records in Pennsylvania

Black Guillemot (Berks)

Black Rail in Berks County

Black Rail Lebanon County

Black Skimmer - Delaware County

Banding Records from Pennsylvania - Raptors

Black Vulture (Coragyps atratus) Nesting in Lebanon County

Black-and-white Warbler Nest, Venango County

Black-backed Woodpecker, Pike County

First Documented Record of Black-bellied Whistling-Ducks for Pennsylvania, Indiana & Westmoreland Cos.

Note on Cuckoos in Butler County, A

Black-capped Chickadee Irruptions in Pennsylvania.

Sorting out the Chickadees in Southwestern Pennsylvania

Black-capped Petrel, Butler and Somerset Counties

Rare Birds in Venango County - Black-capped Petrel

Introduction to the Black-capped Petrel, An

Banding Records from Pennsylvania - Part 4 - Waders

Black-headed Grosbeak Lancaster County

Second Record of Black-legged Kittiwake for Berks County

Black-legged Kittiwake, Montour County

Black-throated Gray Warbler in Cumberland County

Black-throated Gray Warbler Berks County

Discovery of a Blackpoll Warbler Nest

Blue Grosbeak, Fourth County Record for Northampton County

Banding Records from Pennsylvania - Part 6 – Corvids

Banding Records from Pennsylvania Part Two - Vireos

Hybrid Cinnamon x Blue-winged Teal, Washington County

Bohemian Waxwing, Allegheny and Erie Counties

Bonaparte's Gull Migration in Southwestern Pennsylvania - Understanding "The April 10 Effect"

Brant Flight -Weather Related Observations in Erie, Crawford, and Somerset Counties

Brewer's Blackbird, Erie County

Brewer's Blackbird, Huntingdon County

Brewer's Blackbird, Northampton County

Record Broad-winged Hawk Flight Over Philadelphia

Dark-morph Broad-winged Hawk, Delaware County

Banding Records from Pennsylvania - Raptors

Bullock's Oriole (Icterus bullockii) in Juniata County

Bullock's Oriole, Lancaster County

Bullock’s Oriole in Montgomery County

Pennsylvania's First California Gull Erie County. .

Pennsylvania's First Calliope Hummingbird Montgomery County

Prolonged Incubation of a hybrid-zone chickadee nest

Sorting out the Chickadees in Southwestern Pennsylvania

Carolina Wens at Pittsburgh, 1970-1988

Carolina Wrens in Pennsylvania

Banding Records from Pennsylvania - Part 4 - Waders

Cave Swallow - Chester County

Cave Swallow (Mercer)

Cave Swallow (Petrochelidon fulva) at Roderick Wildlife Reserve, Erie County, PA 13 Nov 2005

Cave Swallow Cumberland County

Cave Swallow - First for Philadelphia County

Roost Exiting of Chimney Swifts

Cinnamon Teal, Lancaster County

Hybrid Cinnamon x Blue-winged Teal, Washington County

Another Unique Rail Specimen from Southwestern Pennsylvania: a Clapper Rail

Clapper Rail in Pa.

Documentation of Clay-colored Sparrow Breeding at Piney Tract, Clarion County

Clay-colored Sparrow, Erie County

Swallow and Cuckoo Notes

Update on the Ceramic Cliff Swallow Nests at Center Bridge

Swallow Note

Swallow Notes

Cliff Swallows Use Artificial Nests at Center Bridge, Bucks County

Common Black-headed Gull in Erie County

Common Black-headed Gull in Erie County

Banding Records from Pennsylvania - Part 6 – Corvids

Some Variability in the Extent of Bill Color in Female Common Goldeneye: A Cautionary Note

Banding Records from Pennsylvania - Part 5 – Loons, Grebes, and Cormorants

Summary of Common Nighthawk Watches in Pennsylvania, 1999, A

Banding Records from Pennsylvania - Part 6 – Corvids

Raven Nest Discovered in York County

First Confirmed Nesting of Common Raven in the Pocono Mountains, Monroe Co.

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

Attempted Nesting of Three Species of Laridae at Presque Isle State Park

Return of the Cooper's Hawk, The

Cooper's Hawk Utilizing Carrion

Cooper's Hawk, banded in PA, recovered in New Brunswick

Pennsylvania CBC counts of Sharp-shinned and Cooper's Hawks

Banding Records from Pennsylvania - Raptors

Cory's Shearwater, Lycoming County

Cory's Subspecies Determined

Second documented record of Curlew Sandpiper in Pennsylvania

Wintering Juncos

Breeding Dickcissel Behavior

Dickcissels in Lawrence & Venango Counties

Occurrence of Dickcissels in Western Pennsylvania during the 1988 Nesting Season—Its Possible Bearing on the Species' Unusual History in Eastern North America

Great Dickcissel Flyway, The

Banding Records from Pennsylvania - Part 5 – Loons, Grebes, and Cormorants

First Double-crested Cormorant Nesting in Pennsylvania

Alcid Records in Pennsylvania

Difficult Dowitcher in Beaver County, A

Eastern Bluebird Nesting Success in Parkway Systems of Large Municipalities

Banding Records from Pennsylvania - Part 3 - Flycatchers

Early Arrival Dates for Eastern Phoebe 1987-1990

Banding Records from Pennsylvania - Part 3 - Flycatchers

Arrival Dates of Eastern Phoebe in Pennsylvania, 1987 - 2007

Banding Records from Pennsylvania - Part 3 - Flycatchers

Eurasian Collared Dove, Crawford County

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

First Confirmed Evening Grosbeak Nest in Pa.

Pale Form of Field Sparrow

Fork-tailed Flycatcher in Pennsylvania, A

First Winter Record of Forster's Tern in Pennsylvania, Erie County

Fox Sparrow Fallout Due To a Late Winter Storm

Franklin's Gull, Lancaster County

Casper and His Ghostly Friends Glaucous and Iceland Gulls in Northampton County

Summary of the Distribution of Ibises in Pennsylvania

Glossy Ibis in Dauphin County

Banding Records from Pennsylvania - Raptors

First Pennsylvania Record of Gray Kingbird

Large Catharus Thrush Migration in Hamburg, Berks Co., Pa.

First Pennsylvania Breeding Record for Great Black-backed Gull - Tinicum Township, Delaware County

Update on Great Blue Heronries in Lawrence County

Banding Records from Pennsylvania - Part 4 - Waders

Great Blue Heron Five-Year Statewide Survey Results, 2007-08

Great Blue Heron and Bald Eagle Nesting Update

Great Blue Heron Catches Snake in January

Great Blue Heron Rookery on the Clarion River

Great Blue Heron x Great Egret in Washington County

Great Cormorants at Martins Creek, Northampton County, First County Record

Banding Records from Pennsylvania - Part 3 - Flycatchers

Banding Records from Pennsylvania - Part 4 - Waders

First Live Great Gray Owl in the 20th Century, Warren County

Greater Shearwater Puffinis gravis, Berks County, First Documented Record for Pennsylvania

Record Number of Greater White-fronted Geese in Pennsylvania

Occurrence and Identification of Greater White-fronted Goose in Pennsylvania

Banding Records from Pennsylvania - Part 4 - Waders

Green-tailed Towhee in Bucks County

Green-tailed Towhee Juniata County

Green-tailed Towhee, Montgomery County

Gull-billed Tern, Lancaster County

Gull-billed Tern, Lancaster County

Hammond's Flycatcher, Northampton County

Ninth Record of Harlequin Duck, Erie County

Harlequin Duck in Huntingdon County

Harlequin Duck, Erie County

Harris' Sparrow, Franklin County

Attempted Nesting of Three Species of Laridae at Presque Isle State Park

Possible Origin of Pa.'s 1st Nesting Record of Herring Gull

Herring Gull Attacks Red-breasted Merganser

Most Documented Record of a Hoary Redpoll in Pa., A

Hoary Redpoll, Lancaster County

First Documented Nesting Records of Hooded Merganser in Berks County, PA

Note on Hooded Merganser Breeding in Pennsylvania and Nearby States, A

Banding Records from Pennsylvania - Part 5 – Loons, Grebes, and Cormorants

Fallout of Horned Grebes during a Snowstorm, A

Behavior Notes, House Finches

Large Number of Hudsonian Godwits in Northampton County, Pennsylvania

Hudsonian Godwit, Lehigh County

Casper and His Ghostly Friends Glaucous and Iceland Gulls in Northampton County

Second Report of Iceland Gull for Berks County

Indigo Bunting, Westmoreland County

Jaeger (Pomarine or Parasitic), Erie County

King Eider, Erie County

King Rail Breeding in Western Pennsylvania

King Rail Sighted, Tioga County

Kinglet Survival Huntingdon County

Kirtland's Warbler Indiana County

Kirtland's Warbler, Franklin County

Lark Bunting - Erie County

Lark Sparrow, Allegheny County

Laughing Gull, Warren County, First County Record

Lawrence's Warbler, Erie County

First Verifiable Pennsylvania Record of Le Conte's Sparrow, Westmoreland County

Banding Records from Pennsylvania - Part 3 - Flycatchers

Pennsylvania's Wintering Least Sandpiper

Least Tern: A probable First County Record Montgomery Co.

LeConte's Sparrow, Lancaster County

LeConte's Sparrow, Lawrence County

Leconte's Sparrow in Delaware County

Status and Distribution of Lesser Black-backed Gull in Pennsylvania

Unusual Lesser Black-backed Gull, An, Lancaster County

Pennsylvania's First Lewis's Woodpecker Bedford County

Banding Records from Pennsylvania - Part 4 - Waders

First Record of Loggerhead Shrike since 1982 in Erie County

Serendipitous Shrike, A

First Confirmed Loggerhead Shrike Nesting in Pennsylvania Since 1934

Long-billed Curlew, Erie County

Winter of the Long-eared Owls Northampton County

Long-tailed Jaeger, Erie County

Long-tailed Jaeger, Somerset County

Pennsylvania's Second Long-tailed Jaeger, Bucks County

First Pennsylvania Record of MacGillivray's Warbler

Magnolia Warbler Trap

Marbled Godwit, Lancaster County

Banding Records from Pennsylvania - Raptors

First Pennsylvania Record of Mew Gull, Berks County

Pennsylvania's First Mew Gull with Notes on its Racial Identification

Third Western Pennsylvania Record of Mississippi Kite, Erie County

What is that Bird? (Mississippi Kite)

Mississippi Kite in Beaver County

Mississippi Kite, Erie County

Mississippi Kite, Franklin/Fulton Counties

Kites and More

Perils of Birding Alone, The (Mississippi Kite)

From the Files of PORC: Swainson's Hawk and Mississippi Kite Identification

Results of the 2005 Pennsylvania Mid-Summer Mute Swan Survey

Winter Record of Nashville Warbler, Lancaster County

History of Northern Bobwhites in Pennsylvania, A

Belated Report of Northern Gannet in Warren County

Banding Records from Pennsylvania - Raptors

Banding Records from Pennsylvania - Raptors

Northern Hawk Owl, Wayne County

Confirmed Nesting of N. Mockingbird in Lawrence

Saw-whet Owl Attacks Feline

Fall 2007: A Saw-whet Owl Flight of Historic Proportions

Pennsylvania's Record High Northern Shrike Invasion of 1999-2000

Northern Wheatear, Bucks County

Northern Wheatear, Juniata and Lebanon Counties

Early Late Osprey Flight, The

Osprey Attempt to Nest in Clarion County

Osprey Nesting in Southwestern Somerset County

Osprey Surprise

Banding Records from Pennsylvania - Raptors

First Pennsylvania Record of Pacific Loon, Erie County

Pacific Loon, Lancaster County

Pacific Loon, Montgomery County

Second State Record of Pacific Slope Flycatcher, Lancaster County

Pacific Slope Flycatcher, Lancaster County

Birding the Mundane and Finding the Rare... First Record of a Pacific-slope Flycatcher East of the Mississippi

Migration of Western and Yellow Palm Warblers at Powdermill Nature Reserve, Westmoreland County, Pennsylvania

Eastern Race of Palm Warbler in Erie County

Parasitic Jaeger - Presque Isle State Park, Erie County

Parasitic Jaeger, Erie County

Notes on the Extermination of the Wild Pigeon

Recent History and Current Status of Peregrine Falcons in Pennsylvania

Confessions of a Peregrine Addict

Peregrine Falcon Reintroduction in Williamsport

Notes on the Physical Characteristics and Behavior of Peregrine Falcons in the Wyoming Valley (Luzerne County)

Banding Records from Pennsylvania - Raptors

Successful Nesting by Wyoming Valley Peregrine Falcons

Banding Records from Pennsylvania Part Two - Vireos

Banding Records from Pennsylvania - Part 5 – Loons, Grebes, and Cormorants

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

Pine Siskin Banding Recovery: State College to Seattle

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

Yellow Siskin in Berks County

Pink-footed Goose Berks County

Pomarine Jaeger - Cambria County

Pomarine Jaeger - Cambria County

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

Purple Gallinule (Erie)

Purple Gallinule Macungie, Lehigh County

Swallow and Cuckoo Notes

Luring Purple Martins

Purple Sandpiper Bucks County

Alcid Records in Pennsylvania

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

Pennsylvania's Crossbill Winter of 1997-98

Red Phalarope - Northampton County

Red Phalarope in York County

Red Phalarope, First County Record for Greene County

Recent Range Expansion and Population Increase of the Red-bellied Woodpecker in Pennsylvania

Red-bellied Woodpecker 1990 CBC Update

Red-bellied Woodpecker Caches Corn Kernels in a Telephone Pole

Red-bellied Woodpecker Tumbled in 1990 on Southeastern Pennsylvania CBCs, The

Herring Gull Attacks Red-breasted Merganser

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

Banding Records from Pennsylvania Part Two - Vireos

Nesting Red-headed Woodpeckers in Sullivan County - 1998

Red-necked Phalarope Attracted to Chum

Red-necked Phalarope, Lancaster County

Banding Records from Pennsylvania - Raptors

New Longevity Record for a wild Red-tailed Hawk

Dark Morph "Western" Red-tailed Hawk, Centre County

Dark-morph Red-tailed Hawk, Northampton County

Banding Records from Pennsylvania - Raptors

Subspecies and intergrade Red-tailed Hawks in western Pennsylvania

Banding Records from Pennsylvania - Part 5 – Loons, Grebes, and Cormorants

Redwing (Turdus Iliacus) - Bucks County

First Successful Ring-billed Gull (Larus delawarensis) Nesting in Pennsylvania, The

Attempted Nesting of Three Species of Laridae at Presque Isle State Park

Story of the Ring-necked Pheasant in Pennsylvania, The

First Pennsylvania Record of Ross' Goose, Lancaster County

First Record of Ross' Gull for Pa. York County

Second Pennsylvania Record of Ross' Goose, Lancaster County

Fourth Pennsylvania and Fourth Lancaster County Record of Ross' Goose, Lancaster County

Banding Records from Pennsylvania - Raptors

Royal Tern - Bucks County

Royal Tern, Northumberland County

Banded Hummingbirds

Smart Hummingbird Behavior

First Nesting Record of Ruddy Duck (Oxyura jamaicensis) in Berks County, Pennsylvania

Rufous (R/A-Type) Hummingbirds in Pennsylvania

Rufous Hummingbird, Westmoreland County

Rufous/Allen's Hummingbird, Bucks County

Puzzling Rufous Hummingbird, A

Significance of banding in the study of wintering Rufous Hummingbirds, The

Sabine's Gull in Schulkill County

Sabine's Gulls, Erie and Lancaster Counties

Chase for a Sabine's

Kites and More

Lesser Sandhill Crane (Grus canadensis canadensis) Erie County

Sandhill Cranes, Lawrence Co.

Second Breeding Record of Sandhill Crane for Pa.

More Notes on the Sandhill Cranes

Sandhill Crane, Montgomery County

Sandhill Cranes in Mercer Co.

Sandhill Cranes Sullivan County

First Breeding Record of Sandhill Crane for Pennsylvania

Finding Sandhill Cranes in Western Pennsylvania

Scissor-tailed Flycatcher - Lebanon County

Scissor-tailed Flycatcher, Westmoreland County

First Record of Scott's Oriole for Pennsylvania

Seaside Sparrow, Lancaster County

First Record of Sedge Wren wintering in Pennsylvania

Sedge Wren, Crawford County

Pennsylvania CBC counts of Sharp-shinned and Cooper's Hawks

Behavior Notes, A Sharp-shinned Duck Hawk?

Banding Records from Pennsylvania - Raptors

Sharp-tailed Sparrow at Green Lane Reservoir, Montgomery County

Sharp-tailed Sparrow in Crawford County

Sharp-tailed Sparrows, Lancaster County

Case of the Mystery Sharp-tailed Sparrow, The

Subspecies of the Sharp-tailed Sparrow and the Re-identification of a Western Pennsylvania Specimen, The

Short-eared Owls Breed In Pennsylvania In 1997

Breeding Season Record of a Short-eared Owl Clearfield Co.

Nesting Short-eared Owls at Imperial

Short-eared Owls in Clarion County

Short-eared Owls, Mercer County

Slaty-backed Gull in Pennsylvania (...and Ontario, and New York...), A

Banding Records from Pennsylvania - Part 4 - Waders

Snowy Plover Allegheny County

Unusual Song Sparrow, An

Another Sooty Tern from Hurricane Fran

Sooty Tern, Bucks, Delaware, and Lancaster Counties

Spotted Towhee (Westmoreland)

Summer Tanager in Crawford County

From the Files of PORC: Swainson's Hawk and Mississippi Kite Identification

Large Catharus Thrush Migration in Hamburg, Berks Co., Pa.

Swainson's Warbler in Western Pennsylvania — rare vagrant or breeding species?

Swainson's Warbler - Allegheny County

Kites and More

Partial Remains of Thayer's Gull from Presque Isle State Park, Erie County

Alcid Records in Pennsylvania

Townsend's Solitaire McKean County

Hawk Mountain Incident, The (Townsend' Solitaire)

Townsend's Warbler, Luzerne County

Townsend’s Warbler on the Delaware/Philadelphia Line

Banding Records from Pennsylvania - Part 3 - Flycatchers

Unusual Tringa, An, Delaware County

Trumpeter Swans in Warren County

Occurrence of Wing-tagged Trumpeter Swan (Olor buccinator) in Pennsylvania and New York

Immature Trumpeter Swan at Blue Marsh Lake, Berks County

Banding Records from Pennsylvania - Raptors

Scenario of the Upland Sandpiper in Western Pa.

104 Upland Sandpipers in Mercer County

Invasion of the Varied Thrushes, The

Pennsylvania;'s First Record of Vermillion Flycatcher, Tioga County

Banding Records from Pennsylvania Part Two - Vireos

Western Kingbird - Berks County

Western Kingbird, Northampton County

Western Kingbird, Philadelphia County

Western Meadowlark in Dauphin County

Kites and More

White Ibis in Dauphin County

White Ibis in Northampton County

Banding Records from Pennsylvania - Part 4 - Waders

Summary of the Distribution of Ibises in Pennsylvania

Banding Records from Pennsylvania Part Two - Vireos

Northern Finches and the Red-breasted Nuthatch in the Pennsylvania Christmas Bird Count

What they ate: White-winged Crossbill food plants during the 2008-09 irruption in Pennsylvania

White-winged Crossbill Invasion of 2008-09

Pennsylvania's Crossbill Winter of 1997-98

First White-winged Dove Record for Pennsylvania, Erie County

White-winged Dove, Schuylkill County

Status and field identification problems of the Willet subspecies in Pennsylvania

Observations During the Breeding Season of the Common Snipe in Lawrence and Mercer Counties of Western Pennsylvania

First Documented Record of Summering Winter Wrens in Philadelphia

Wood Duck Tale, A

Wood Stork, Lancaster and Lebanon Counties

Late Yellow Warbler, A, Centre County

Yellow-bellied Flycatcher Nesting in Pennsylvania with a Review of its History, Distribution, Ecology, Behavior, and Conservation Problems

Yellow-bellied Sapsucker Nesting in Butler County

Swallow and Cuckoo Notes

Note on Cuckoos in Butler County, A

Behavior Notes, Yellow-crowned Night-Heron

Banding Records from Pennsylvania Part Two - Vireos