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Bird Observations

			Date Range: Sep, 1900-2014

[ Philadelphia ] [ Delaware ] [ Montgomery ] [ Chester ] [ Bucks ]

Updated ~22 hr(s) ago.

288 species (+66 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Graylag Goose
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Brant
Cackling Goose
Canada Goose
Domestic goose sp. x Canada Goose (hybrid)
Mute Swan
Black Swan
Tundra Swan
goose sp.
Egyptian Goose
Muscovy Duck
Wood Duck
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mandarin Duck
Maned Duck
Blue-winged Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
American Black Duck
Mallard x American Black Duck (hybrid)
Mallard/American Black Duck
Northern Pintail
Green-winged Teal
teal sp.
dabbling duck sp.
Ring-necked Duck
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Surf Scoter
Hooded Merganser
Common Merganser
Ruddy Duck
duck sp.
Northern Bobwhite
Wild Turkey
Ruffed Grouse
Ring-necked Pheasant
Indian Peafowl
Chukar
Pied-billed Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Horned Grebe
Eared Grebe
grebe sp.
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Yellow-billed Cuckoo
Black-billed Cuckoo
Yellow-billed/Black-billed Cuckoo
Common Nighthawk
Eastern Whip-poor-will
Chimney Swift
Ruby-throated Hummingbird
Rufous Hummingbird
Selasphorus sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
hummingbird sp.
Clapper Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Yellow Rail
Sandhill Crane
Black-necked Stilt
American Avocet
American Oystercatcher
Black-bellied Plover
American Golden-Plover
Killdeer
Semipalmated Plover
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Upland Sandpiper
Whimbrel
Hudsonian Godwit
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
American Woodcock
Wilson's Snipe
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
Red/Red-necked Phalarope
Spotted Sandpiper
Solitary Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Red Knot
Ruff
Stilt Sandpiper
Buff-breasted Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
White-rumped Sandpiper
Least Sandpiper
Pectoral Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Sandpiper
Semipalmated Sandpiper
Western/Semipalmated Sandpiper
peep sp.
shorebird sp.
Long-tailed Jaeger
Sabine's Gull
Bonaparte's Gull
Laughing Gull
Franklin's Gull
Ring-billed Gull
Herring Gull
Great Black-backed Gull
Lesser Black-backed Gull
gull sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black Skimmer
Sooty Tern
Least Tern
Gull-billed Tern
Caspian Tern
Black Tern
Forster's Tern
Arctic Tern
Common Tern
Common/Arctic Tern
Sterna sp.
Sandwich Tern
Royal Tern
tern sp.
Common Loon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
storm-petrel sp. (white-rumped)
Great Cormorant
Double-crested Cormorant
Brown Pelican
American Bittern
Least Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Yellow-crowned/Black-crowned Night Heron
Little Blue Heron
Tricolored Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Great Blue Heron
heron sp.
white egret sp.
Glossy Ibis
Glossy/White-faced Ibis
Black Vulture
Turkey Vulture
new world vulture sp.
Osprey
Swallow-tailed Kite
Golden Eagle
Mississippi Kite
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-shouldered Hawk
Broad-winged Hawk
Red-tailed Hawk
Buteo sp.
hawk sp.
eagle sp.
Barn Owl
Eastern Screech-Owl
Great Horned Owl
Barred Owl
Short-eared Owl
Belted Kingfisher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-bellied Sapsucker
Red-headed Woodpecker
Red-bellied Woodpecker
Downy Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
small falcon sp.
falcon sp.
diurnal raptor sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rose-ringed Parakeet
Olive-sided Flycatcher
Eastern Wood-Pewee
Yellow-bellied Flycatcher
Acadian Flycatcher
Alder Flycatcher
Willow Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
Least Flycatcher
Empidonax sp.
Eastern Phoebe
Great Crested Flycatcher
Western Kingbird
Eastern Kingbird
new world flycatcher sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
White-eyed Vireo
Yellow-throated Vireo
Blue-headed Vireo
Philadelphia Vireo
Warbling Vireo
Philadelphia/Warbling Vireo
Red-eyed Vireo
vireo sp.
Loggerhead Shrike
Blue Jay
American Crow
Fish Crow
crow sp.
Common Raven
crow/raven sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Carolina Chickadee
Black-capped Chickadee
Carolina/Black-capped Chickadee
chickadee sp.
Tufted Titmouse
Horned Lark
Bank Swallow
Tree Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Ruby-crowned Kinglet
Golden-crowned Kinglet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruby-crowned/Golden-crowned Kinglet
White-breasted Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Brown Creeper
Blue-gray Gnatcatcher
House Wren
Winter Wren
Sedge Wren
Marsh Wren
Carolina Wren
wren sp.
European Starling
Gray Catbird
Brown Thrasher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Mockingbird
Eastern Bluebird
Veery
Gray-cheeked Thrush
Swainson's Thrush
Hermit Thrush
Catharus sp.
Wood Thrush
American Robin
thrush sp.
Northern Wheatear
Cedar Waxwing
House Sparrow
American Pipit
House Finch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Purple Finch
House/Purple Finch
Red Crossbill
Pine Siskin
American Goldfinch
finch sp.
Grasshopper Sparrow
Chipping Sparrow
Clay-colored Sparrow
Field Sparrow
Dark-eyed Junco
White-crowned Sparrow
White-throated Sparrow
Vesper Sparrow
Seaside Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Nelson's Sparrow
Savannah Sparrow
Henslow's Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Eastern Towhee
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Bobolink
Eastern Meadowlark
Orchard Oriole
Baltimore Oriole
Red-winged Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brown-headed Cowbird
Rusty Blackbird
Common Grackle
blackbird sp.
Ovenbird
Worm-eating Warbler
Louisiana Waterthrush
Northern Waterthrush
Louisiana/Northern Waterthrush
Golden-winged Warbler
Blue-winged Warbler
Golden-winged x Blue-winged Warbler (hybrid)
Brewster's Warbler (hybrid)
Lawrence's Warbler (hybrid)
Black-and-white Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tennessee Warbler
Orange-crowned Warbler
Nashville Warbler
Connecticut Warbler
Mourning Warbler
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Cape May Warbler
Cerulean Warbler
Northern Parula
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Bay-breasted/Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Pine Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Prairie Warbler
Black-throated Green Warbler
Canada Warbler
Wilson's Warbler
new world warbler sp.
Summer Tanager
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Scarlet Tanager
Western Tanager
Northern Cardinal
Rose-breasted Grosbeak
Blue Grosbeak
Indigo Bunting
Dickcissel
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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