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Bird Observations

Date Range:
Sep, 1900-2060

Castle Island & Pleasure Bay

Updated ~15 hr(s) ago.

71 species (+9 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Canada Goose  
Mute Swan  
Mallard  
American Black Duck  
Common Eider  
White-winged Scoter  
Surf/Black Scoter  
Red-breasted Merganser  
Rock Pigeon  
Mourning Dove  
Chimney Swift  
American Oystercatcher  
Black-bellied Plover  
American Golden-Plover  
Semipalmated Plover  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Killdeer  
Ruddy Turnstone  
Stilt Sandpiper  
Sanderling  
Dunlin  
Least Sandpiper  
White-rumped Sandpiper  
Buff-breasted Sandpiper  
Pectoral Sandpiper  
Semipalmated Sandpiper  
peep sp.  
Short-billed Dowitcher  
Spotted Sandpiper  
Greater Yellowlegs  
Lesser Yellowlegs  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
shorebird sp.  
Bonaparte's Gull  
Laughing Gull  
Ring-billed Gull  
Herring Gull  
Great Black-backed Gull  
gull sp.  
Caspian Tern  
Common Tern  
tern sp.  
Black Skimmer  
Common Loon  
Northern Gannet  
Double-crested Cormorant  
Great Blue Heron  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Egret  
Snowy Egret  
Osprey  
Cooper's Hawk  
Red-tailed Hawk  
Buteo sp.  
Belted Kingfisher  
American Kestrel  
Merlin  
Peregrine Falcon  
falcon sp.  
Blue Jay  
American Crow  
Black-capped Chickadee  
Horned Lark  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Tree Swallow  
Barn Swallow  
European Starling  
Gray Catbird  
Northern Mockingbird  
American Robin  
Cedar Waxwing  
House Sparrow  
House Finch  
American Goldfinch  
Savannah Sparrow  
Song Sparrow  
new world sparrow sp.  
Bobolink  
Common Grackle  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common Yellowthroat  
Yellow Warbler  
Blackpoll Warbler  
new world warbler sp.  
Northern Cardinal  

KEY:| = insufficient data | = rare to widespread

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