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Bird Observations

Date Range:
Apr, 1900-2060

Castle Island & Pleasure Bay

Updated ~23 hr(s) ago.

62 species (+6 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brant  
Canada Goose  
Mallard  
American Black Duck  
Greater Scaup  
Greater/Lesser Scaup  
Common Eider  
Surf Scoter  
White-winged Scoter  
scoter sp.  
Long-tailed Duck  
Bufflehead  
Common Goldeneye  
Hooded Merganser  
Red-breasted Merganser  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
duck sp.  
Horned Grebe  
Red-necked Grebe  
Rock Pigeon  
Mourning Dove  
American Oystercatcher  
Killdeer  
Dunlin  
Purple Sandpiper  
Ring-billed Gull  
Herring Gull  
Great Black-backed Gull  
gull sp.  
Red-throated Loon  
Common Loon  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
loon sp.  
Manx Shearwater  
Double-crested Cormorant  
Great Egret  
Turkey Vulture  
Osprey  
Cooper's Hawk  
Downy Woodpecker  
Northern Flicker  
Warbling Vireo  
Blue Jay  
American Crow  
Black-capped Chickadee  
Tufted Titmouse  
Tree Swallow  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Barn Swallow  
swallow sp.  
Ruby-crowned Kinglet  
Brown Creeper  
European Starling  
Northern Mockingbird  
Hermit Thrush  
American Robin  
House Sparrow  
House Finch  
American Goldfinch  
Chipping Sparrow  
Dark-eyed Junco  
White-throated Sparrow  
Savannah Sparrow  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Song Sparrow  
Eastern Towhee  
Red-winged Blackbird  
Common Grackle  
Palm Warbler  
Pine Warbler  
Yellow-rumped Warbler  
Northern Cardinal  

KEY:| = insufficient data | = rare to widespread

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