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Bird Observations

Date Range:
Nov, 1900-2060

Castle Island & Pleasure Bay

Updated ~23 hr(s) ago.

74 species (+15 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  
Greater Scaup  
Lesser Scaup  
Greater/Lesser Scaup  
Common Eider  
Surf Scoter  
White-winged Scoter  
Black Scoter  
scoter sp.  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Long-tailed Duck  
Bufflehead  
Common Goldeneye  
Barrow's Goldeneye  
Common/Barrow's Goldeneye  
Hooded Merganser  
Red-breasted Merganser  
Common/Red-breasted Merganser  
duck sp.  
Horned Grebe  
Red-necked Grebe  
Rock Pigeon  
Mourning Dove  
Black-bellied Plover  
American Golden-Plover  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black-bellied Plover/golden-plover sp.  
Ruddy Turnstone  
Sanderling  
Dunlin  
Purple Sandpiper  
Greater Yellowlegs  
shorebird sp.  
Razorbill  
Bonaparte's Gull  
Laughing Gull  
Ring-billed Gull  
Herring Gull  
Great Black-backed Gull  
gull sp.  
Forster's Tern  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-throated Loon  
Common Loon  
loon sp.  
Northern Gannet  
Double-crested Cormorant  
cormorant sp.  
Great Blue Heron  
Great Egret  
Black-crowned Night-Heron  
Turkey Vulture  
Northern Harrier  
Sharp-shinned Hawk  
Cooper's Hawk  
Red-tailed Hawk  
Buteo sp.  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snowy Owl  
Downy Woodpecker  
Merlin  
Peregrine Falcon  
Blue Jay  
American Crow  
Black-capped Chickadee  
Horned Lark  
Cave Swallow  
White-breasted Nuthatch  
Brown Creeper  
European Starling  
Northern Mockingbird  
American Robin  
Cedar Waxwing  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
House Sparrow  
American Pipit  
House Finch  
American Goldfinch  
Snow Bunting  
Dark-eyed Junco  
White-throated Sparrow  
Savannah Sparrow  
Song Sparrow  
sparrow sp.  
Blackpoll Warbler  
Yellow-rumped Warbler  
Northern Cardinal  
passerine sp.  

KEY:| = insufficient data | = rare to widespread

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