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Bird Observations

			Date Range: Feb, 1900-2060

Castle Island and Pleasure Bay

Updated ~29 hr(s) ago.

68 species (+14 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brant
Canada Goose
Mute Swan
Mallard
American Black Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
King Eider
Common Eider
Surf Scoter
White-winged Scoter
Black Scoter
Surf/Black Scoter
scoter sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Red-breasted Merganser
Common/Red-breasted Merganser
duck sp.
Wild Turkey
Horned Grebe
Red-necked Grebe
Rock Pigeon
Mourning Dove
Ruddy Turnstone
Sanderling
Dunlin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Purple Sandpiper
shorebird sp.
Razorbill
Thick-billed Murre
large alcid sp.
alcid sp.
Ring-billed Gull
Herring Gull
Great Black-backed Gull
Iceland Gull
gull sp.
Red-throated Loon
Common Loon
loon sp.
Great Cormorant
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Double-crested Cormorant
cormorant sp.
Northern Harrier
Cooper's Hawk
Bald Eagle
Red-tailed Hawk
Rough-legged Hawk
Buteo sp.
Snowy Owl
Merlin
Peregrine Falcon
Blue Jay
American Crow
Common Raven
Black-capped Chickadee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Horned Lark
White-breasted Nuthatch
European Starling
Northern Mockingbird
American Robin
Cedar Waxwing
House Sparrow
American Pipit
House Finch
Common Redpoll
Lapland Longspur
Snow Bunting
Dark-eyed Junco
White-throated Sparrow
Savannah Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Song Sparrow
Swamp Sparrow
new world sparrow sp.
Red-winged Blackbird
Common Grackle
Northern Cardinal
passerine sp.

KEY:| = insufficient data | = rare to widespread