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Bird Observations

Date Range:
Oct, 1900-2060

Castle Island & Pleasure Bay

Updated ~22 hr(s) ago.

72 species (+7 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brant  
Canada Goose  
Mallard  
American Black Duck  
Common Eider  
Surf Scoter  
White-winged Scoter  
Black Scoter  
Long-tailed Duck  
Bufflehead  
Red-breasted Merganser  
duck sp.  
Horned Grebe  
Red-necked Grebe  
Rock Pigeon  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mourning Dove  
Black-bellied Plover  
American Golden-Plover  
Semipalmated Plover  
Whimbrel  
Ruddy Turnstone  
Sanderling  
Dunlin  
Purple Sandpiper  
Semipalmated Sandpiper  
peep sp.  
Greater Yellowlegs  
Bonaparte's Gull  
Laughing Gull  
Ring-billed Gull  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Herring Gull  
Great Black-backed Gull  
gull sp.  
Caspian Tern  
Common Tern  
Forster's Tern  
tern sp.  
Red-throated Loon  
Common Loon  
Double-crested Cormorant  
cormorant sp.  
Great Blue Heron  
Black-crowned Night-Heron  
Cooper's Hawk  
Bald Eagle  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-tailed Hawk  
hawk sp.  
Yellow-bellied Sapsucker  
Red-bellied Woodpecker  
Downy Woodpecker  
American Kestrel  
Merlin  
Peregrine Falcon  
Eastern Phoebe  
new world flycatcher sp.  
Blue-headed Vireo  
Blue Jay  
American Crow  
Common Raven  
Black-capped Chickadee  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Golden-crowned Kinglet  
Red-breasted Nuthatch  
European Starling  
Northern Mockingbird  
Hermit Thrush  
American Robin  
House Sparrow  
American Pipit  
Snow Bunting  
Chipping Sparrow  
Dark-eyed Junco  
White-crowned Sparrow  
White-throated Sparrow  
Savannah Sparrow  
Song Sparrow  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common Yellowthroat  
Blackpoll Warbler  
Yellow-rumped Warbler  
Northern Cardinal  

KEY:| = insufficient data | = rare to widespread

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