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Bird Observations

Date Range:
Jun, 1900-2060

Castle Island & Pleasure Bay

Updated ~24 hr(s) ago.

60 species (+5 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Canada Goose  
Mallard  
American Black Duck  
Common Eider  
duck sp.  
Rock Pigeon  
Mourning Dove  
Chimney Swift  
American Oystercatcher  
Black-bellied Plover  
Killdeer  
Ruddy Turnstone  
Semipalmated Sandpiper  
Willet  
Bonaparte's Gull  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Laughing Gull  
Ring-billed Gull  
Herring Gull  
Great Black-backed Gull  
gull sp.  
Least Tern  
Common Tern  
Sterna sp.  
Common Loon  
Manx Shearwater  
Double-crested Cormorant  
Brown Pelican  
Great Blue Heron  
Great Egret  
Snowy Egret  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Green Heron  
Black-crowned Night-Heron  
Osprey  
Cooper's Hawk  
Red-tailed Hawk  
Downy Woodpecker  
Merlin  
Peregrine Falcon  
Eastern Kingbird  
Warbling Vireo  
Blue Jay  
American Crow  
Fish Crow  
crow sp.  
Tree Swallow  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Barn Swallow  
swallow sp.  
White-breasted Nuthatch  
European Starling  
Gray Catbird  
Northern Mockingbird  
American Robin  
Cedar Waxwing  
House Sparrow  
House Finch  
American Goldfinch  
Chipping Sparrow  
Song Sparrow  
Baltimore Oriole  
Red-winged Blackbird  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common Grackle  
American Redstart  
Yellow Warbler  
Northern Cardinal  
Rose-breasted Grosbeak  

KEY:| = insufficient data | = rare to widespread

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