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Bird Observations

Date Range:
Jan-Dec, 1900-2024

Wellfleet Bay Wildlife Sanctuary (Mass Audubon)

Updated ~37 hr(s) ago.

314 species (+68 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow Goose
Domestic goose sp. (Domestic type)
Brant
Canada Goose
Domestic goose sp. x Canada Goose (hybrid)
Mute Swan
goose sp.
Muscovy Duck
Wood Duck
Blue-winged Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
American Black Duck
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mallard x American Black Duck (hybrid)
Mallard/American Black Duck
Northern Pintail
Green-winged Teal
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Common Eider
Surf Scoter
White-winged Scoter
Black Scoter
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
Ruddy Duck
duck sp.
Northern Bobwhite
Wild Turkey
Ring-necked Pheasant
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Rock Pigeon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Diamond Dove
Mourning Dove
Yellow-billed Cuckoo
Black-billed Cuckoo
Yellow-billed/Black-billed Cuckoo
Common Nighthawk
Chuck-will's-widow
Eastern Whip-poor-will
Chimney Swift
Ruby-throated Hummingbird
King Rail
Clapper Rail
King/Clapper Rail
Virginia Rail
Sora
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common Gallinule
American Coot
Sandhill Crane
Black-necked Stilt
American Avocet
American Oystercatcher
Black-bellied Plover
American Golden-Plover
Black-bellied Plover/golden-plover sp.
Killdeer
Semipalmated Plover
Piping Plover
Upland Sandpiper
Whimbrel
Black-tailed Godwit
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hudsonian Godwit
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
American Woodcock
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Spotted Redshank
Greater Yellowlegs
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lesser/Greater Yellowlegs
Ruddy Turnstone
Red Knot
Ruff
Stilt Sandpiper
Buff-breasted Sandpiper
Sanderling
Dunlin
Purple Sandpiper
Baird's Sandpiper
White-rumped Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western/Semipalmated Sandpiper
peep sp.
large shorebird sp.
shorebird sp.
Parasitic Jaeger
Pomarine Jaeger
Parasitic/Pomarine Jaeger
jaeger sp.
Razorbill
Dovekie
Thick-billed Murre
Common Murre
large alcid sp.
alcid sp.
Black-legged Kittiwake
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Laughing Gull
Ring-billed Gull
Herring Gull
Great Black-backed Gull
Lesser Black-backed Gull
Iceland Gull
white-winged gull sp.
Larus sp.
gull sp.
Black Skimmer
Least Tern
Gull-billed Tern
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black Tern
Forster's Tern
Arctic Tern
Common Tern
Roseate Tern
Sterna sp.
Royal Tern
tern sp.
Red-throated Loon
Common Loon
loon sp.
Wilson's Storm-Petrel
storm-petrel sp.
Cory's Shearwater
Great Shearwater
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cory's/Great Shearwater
Sooty Shearwater
Manx Shearwater
black-and-white shearwater sp.
shearwater sp.
Northern Gannet
Great Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
American Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Little Blue Heron
Tricolored Heron
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
white egret sp.
White Ibis
Glossy Ibis
Black Vulture
Turkey Vulture
Osprey
Golden Eagle
Mississippi Kite
Northern Harrier
Sharp-shinned Hawk
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
American Goshawk
Accipiter sp.
Bald Eagle
Red-shouldered Hawk
Broad-winged Hawk
Red-tailed Hawk
Rough-legged Hawk
Buteo sp.
hawk sp.
Barn Owl
Eastern Screech-Owl
Snowy Owl
Great Horned Owl
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Barred Owl
Short-eared Owl
Northern Saw-whet Owl
owl sp.
Belted Kingfisher
Yellow-bellied Sapsucker
Red-headed Woodpecker
Red-bellied Woodpecker
Downy Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
Merlin
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Peregrine Falcon
falcon sp.
diurnal raptor sp.
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
Say's Phoebe
Ash-throated Flycatcher
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Crested Flycatcher
Tropical Kingbird
Western Kingbird
Eastern Kingbird
Scissor-tailed Flycatcher
Fork-tailed Flycatcher
new world flycatcher sp.
White-eyed Vireo
Yellow-throated Vireo
Blue-headed Vireo
Philadelphia Vireo
Warbling Vireo
Philadelphia/Warbling Vireo
Red-eyed Vireo
Northern Shrike
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Blue Jay
American Crow
Fish Crow
crow sp.
Common Raven
Black-capped Chickadee
Tufted Titmouse
Horned Lark
Bank Swallow
Tree Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ruby-crowned Kinglet
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
White-breasted Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Brown Creeper
Blue-gray Gnatcatcher
House Wren
Winter Wren
Marsh Wren
Carolina Wren
wren sp.
European Starling
Gray Catbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brown Thrasher
Northern Mockingbird
Eastern Bluebird
Veery
Gray-cheeked Thrush
Gray-cheeked/Bicknell's Thrush
Swainson's Thrush
Hermit Thrush
Wood Thrush
American Robin
Bohemian Waxwing
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Pine Grosbeak
House Finch
Purple Finch
House/Purple Finch
Common Redpoll
Hoary Redpoll
Common/Hoary Redpoll
Red Crossbill
White-winged Crossbill
Pine Siskin
American Goldfinch
Lapland Longspur
Snow Bunting
Grasshopper Sparrow
Chipping Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Clay-colored Sparrow
Field Sparrow
Spizella sp.
Lark Sparrow
American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
White-throated Sparrow
Vesper Sparrow
Seaside Sparrow
Nelson's Sparrow
Saltmarsh Sparrow
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Savannah Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Eastern Towhee
Spotted x Eastern Towhee (hybrid)
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Bobolink
Eastern Meadowlark
Orchard Oriole
Baltimore Oriole
new world oriole sp.
Red-winged Blackbird
Brown-headed Cowbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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)
Black-and-white Warbler
Prothonotary Warbler
Swainson's Warbler
Tennessee Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Orange-crowned Warbler
Nashville Warbler
Connecticut Warbler
Mourning Warbler
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Cape May Warbler
Northern Parula
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Pine Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Prairie Warbler
Black-throated Green Warbler
Setophaga sp.
Canada Warbler
Wilson's Warbler
new world warbler sp.
Summer Tanager
Scarlet Tanager
Northern Cardinal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rose-breasted Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Passerina sp.
Dickcissel
passerine sp.

KEY:| = insufficient data | = rare to widespread

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