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Bird Observations

Date Range:
Mar, 1900-2060

Castle Island & Pleasure Bay

Updated ~22 hr(s) ago.

69 species (+12 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  
Wild Turkey  
Horned Grebe  
Red-necked Grebe  
grebe sp.  
Rock Pigeon  
Mourning Dove  
American Oystercatcher  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Killdeer  
Ruddy Turnstone  
Sanderling  
Dunlin  
Purple Sandpiper  
Thick-billed Murre  
Ring-billed Gull  
Herring Gull  
Iceland Gull  
Great Black-backed Gull  
gull sp.  
Red-throated Loon  
Common Loon  
loon sp.  
Great Cormorant  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Double-crested Cormorant  
cormorant sp.  
Great Blue Heron  
Turkey Vulture  
Northern Harrier  
Sharp-shinned Hawk  
Accipiter sp.  
Bald Eagle  
Red-tailed Hawk  
Snowy Owl  
Belted Kingfisher  
Downy Woodpecker  
Merlin  
Peregrine Falcon  
Blue Jay  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Crow  
Fish Crow  
crow sp.  
Common Raven  
Black-capped Chickadee  
Tufted Titmouse  
Horned Lark  
White-breasted Nuthatch  
European Starling  
Northern Mockingbird  
American Robin  
House Sparrow  
House Finch  
Snow Bunting  
Dark-eyed Junco  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-throated Sparrow  
Song Sparrow  
Red-winged Blackbird  
Common Grackle  
Northern Cardinal  
passerine sp.  

KEY:| = insufficient data | = rare to widespread

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