« Start Over

Bird Observations

Date Range:
Aug-Nov, 1900-2060

Castle Island & Pleasure Bay

Updated ~16 hr(s) ago.

122 species (+23 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brant
Canada Goose
Mute Swan
Mallard
American Black Duck
Mallard x American Black Duck (hybrid)
Mallard/American Black Duck
Green-winged Teal
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Common Eider
Surf Scoter
White-winged Scoter
Black Scoter
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
duck sp.
Wild Turkey
Horned Grebe
Red-necked Grebe
Rock Pigeon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mourning Dove
Chimney Swift
American Oystercatcher
Black-bellied Plover
American Golden-Plover
Black-bellied Plover/golden-plover sp.
Semipalmated Plover
Piping Plover
Killdeer
Whimbrel
Ruddy Turnstone
Stilt Sandpiper
Sanderling
Dunlin
Purple Sandpiper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Least Sandpiper
White-rumped Sandpiper
Buff-breasted Sandpiper
Pectoral Sandpiper
Semipalmated Sandpiper
peep sp.
Short-billed Dowitcher
Spotted Sandpiper
Greater Yellowlegs
Willet
Lesser Yellowlegs
shorebird sp.
Razorbill
Bonaparte's Gull
Laughing Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ring-billed Gull
Herring Gull
Great Black-backed Gull
gull sp.
Caspian Tern
Common Tern
Forster's Tern
tern sp.
Black Skimmer
Red-throated Loon
Common Loon
loon sp.
Northern Gannet
Double-crested Cormorant
cormorant sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Blue Heron
Great Egret
Snowy Egret
Black-crowned Night-Heron
Yellow-crowned Night-Heron
Turkey Vulture
Osprey
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Bald Eagle
Red-shouldered Hawk
Red-tailed Hawk
Buteo sp.
hawk sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snowy Owl
Belted Kingfisher
Yellow-bellied Sapsucker
Red-bellied Woodpecker
Downy Woodpecker
American Kestrel
Merlin
Peregrine Falcon
falcon sp.
Eastern Phoebe
Eastern Kingbird
flycatcher sp. (Tyrannidae sp.)
Blue-headed Vireo
Blue Jay
American Crow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
crow sp.
Common Raven
Black-capped Chickadee
Horned Lark
Tree Swallow
Barn Swallow
Cave Swallow
Golden-crowned Kinglet
Red-breasted Nuthatch
White-breasted Nuthatch
Brown Creeper
European Starling
Gray Catbird
Northern Mockingbird
Hermit Thrush
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Robin
Cedar Waxwing
House Sparrow
American Pipit
House Finch
American Goldfinch
Snow Bunting
Chipping Sparrow
Dark-eyed Junco
White-throated Sparrow
Savannah Sparrow
Song Sparrow
sparrow sp.
Bobolink
Baltimore Oriole
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-winged Blackbird
Brown-headed Cowbird
Common Grackle
Common Yellowthroat
Yellow Warbler
Blackpoll Warbler
Yellow-rumped Warbler
warbler sp. (Parulidae sp.)
Northern Cardinal
passerine sp.

KEY:| = insufficient data | = rare to widespread

Download Histogram Data