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Bird Observations

Date Range:
Dec-Feb, 1900-2060

Castle Island & Pleasure Bay

Updated ~26 hr(s) ago.

90 species (+18 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ross's Goose
Brant
Canada Goose
Mute Swan
Mallard
American Black Duck
Mallard x American Black Duck (hybrid)
Mallard/American Black Duck
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
King Eider
Common Eider
Harlequin Duck
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Surf Scoter
White-winged Scoter
Black Scoter
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Hooded Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
Ruddy Duck
duck sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wild Turkey
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Rock Pigeon
Mourning Dove
Ruddy Turnstone
Sanderling
Dunlin
Purple Sandpiper
shorebird sp.
Thick-billed Murre
Razorbill
alcid sp.
Bonaparte's Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ring-billed Gull
Herring Gull
Iceland Gull
Lesser Black-backed Gull
Great Black-backed Gull
gull sp.
Red-throated Loon
Common Loon
loon sp.
Great Cormorant
Double-crested Cormorant
cormorant sp.
Great Blue Heron
Turkey Vulture
Northern Harrier
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sharp-shinned Hawk
Cooper's Hawk
Bald Eagle
Red-tailed Hawk
Buteo sp.
hawk sp.
Snowy Owl
Belted Kingfisher
Red-bellied Woodpecker
Downy Woodpecker
American Kestrel
Merlin
Peregrine Falcon
falcon sp.
Blue Jay
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Crow
Fish Crow
Common Raven
Black-capped Chickadee
Tufted Titmouse
Horned Lark
Golden-crowned Kinglet
White-breasted Nuthatch
Carolina Wren
European Starling
Gray Catbird
Northern Mockingbird
Hermit Thrush
American Robin
House Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Pipit
House Finch
Common Redpoll
American Goldfinch
Lapland Longspur
Snow Bunting
American Tree Sparrow
Dark-eyed Junco
White-throated Sparrow
Savannah Sparrow
Song Sparrow
Swamp Sparrow
sparrow sp.
Red-winged Blackbird
Common Grackle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Yellow-rumped Warbler
Northern Cardinal
passerine sp.

KEY:| = insufficient data | = rare to widespread

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