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Bird Observations

Date Range:
Mar-May, 1900-2060

Castle Island & Pleasure Bay

Updated ~27 hr(s) ago.

109 species (+15 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brant
Canada Goose
goose sp.
Mute Swan
Wood Duck
Mallard
American Black Duck
Mallard x American Black Duck (hybrid)
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
King Eider
Common Eider
Surf Scoter
White-winged Scoter
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black Scoter
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Hooded Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
Wild Turkey
Horned Grebe
Red-necked Grebe
grebe sp.
Rock Pigeon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mourning Dove
American Oystercatcher
Black-bellied Plover
Semipalmated Plover
Killdeer
Ruddy Turnstone
Sanderling
Dunlin
Purple Sandpiper
Spotted Sandpiper
Greater Yellowlegs
Thick-billed Murre
Bonaparte's Gull
Laughing Gull
Ring-billed Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Herring Gull
Iceland Gull
Great Black-backed Gull
gull sp.
Least Tern
Common Tern
tern sp.
Red-throated Loon
Common Loon
loon sp.
Manx Shearwater
Great Cormorant
Double-crested Cormorant
cormorant sp.
Great Blue Heron
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Egret
Turkey Vulture
Osprey
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-tailed Hawk
Snowy Owl
Belted Kingfisher
Downy Woodpecker
Northern Flicker
Merlin
Peregrine Falcon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Eastern Phoebe
Eastern Kingbird
Warbling Vireo
Blue Jay
American Crow
Fish Crow
crow sp.
Common Raven
Black-capped Chickadee
Tufted Titmouse
Horned Lark
Tree Swallow
Barn Swallow
swallow sp.
Ruby-crowned Kinglet
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-breasted Nuthatch
Brown Creeper
European Starling
Gray Catbird
Northern Mockingbird
Hermit Thrush
American Robin
House Sparrow
House Finch
American Goldfinch
Snow Bunting
Chipping Sparrow
Dark-eyed Junco
White-throated Sparrow
Savannah Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Song Sparrow
Swamp Sparrow
Eastern Towhee
Baltimore Oriole
Red-winged Blackbird
Brown-headed Cowbird
Common Grackle
Blue-winged Warbler
Common Yellowthroat
American Redstart
Northern Parula
Bay-breasted Warbler
Yellow Warbler
Black-throated Blue Warbler
Palm Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Pine Warbler
Yellow-rumped Warbler
Northern Cardinal
passerine sp.

KEY:| = insufficient data | = rare to widespread

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