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Bird Observations

Date Range:
May, 1900-2060

Castle Island & Pleasure Bay

Updated ~21 hr(s) ago.

66 species (+3 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  
Red-breasted Merganser  
duck sp.  
Rock Pigeon  
Mourning Dove  
American Oystercatcher  
Black-bellied Plover  
Semipalmated Plover  
Killdeer  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ruddy Turnstone  
Dunlin  
Purple Sandpiper  
Spotted Sandpiper  
Greater Yellowlegs  
Bonaparte's Gull  
Laughing Gull  
Ring-billed Gull  
Herring Gull  
Great Black-backed Gull  
gull sp.  
Least Tern  
Common Tern  
tern sp.  
Common Loon  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Double-crested Cormorant  
Great Blue Heron  
Great Egret  
Osprey  
Peregrine Falcon  
Eastern Phoebe  
Eastern Kingbird  
Warbling Vireo  
Blue Jay  
American Crow  
Fish Crow  
Tree Swallow  
Barn Swallow  
Ruby-crowned Kinglet  
European Starling  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Gray Catbird  
Northern Mockingbird  
Hermit Thrush  
American Robin  
House Sparrow  
House Finch  
American Goldfinch  
Dark-eyed Junco  
White-throated Sparrow  
Savannah Sparrow  
Song Sparrow  
Swamp Sparrow  
Baltimore Oriole  
Red-winged Blackbird  
Brown-headed Cowbird  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common Grackle  
Blue-winged Warbler  
Common Yellowthroat  
American Redstart  
Northern Parula  
Bay-breasted Warbler  
Yellow Warbler  
Black-throated Blue Warbler  
Yellow-rumped Warbler  

KEY:| = insufficient data | = rare to widespread

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