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Bird Observations

			Date Range: Feb, 1900-2022

Castle Island and Pleasure Bay

Updated ~31 hr(s) ago.

62 species (+11 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
Red-breasted Merganser
Common/Red-breasted Merganser
duck sp.
Wild Turkey
Horned Grebe
Red-necked Grebe
Rock Pigeon
Mourning Dove
Ruddy Turnstone
Sanderling
Dunlin
Purple Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
shorebird sp.
Razorbill
Thick-billed Murre
Ring-billed Gull
Herring Gull
Great Black-backed Gull
Iceland Gull
gull sp.
Red-throated Loon
Common Loon
Great Cormorant
cormorant sp.
Northern Harrier
Cooper's Hawk
Red-tailed Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Buteo sp.
Snowy Owl
Merlin
Peregrine Falcon
Blue Jay
American Crow
Common Raven
Black-capped Chickadee
Horned Lark
White-breasted Nuthatch
European Starling
Northern Mockingbird
American Robin
House Sparrow
American Pipit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
House Finch
Common Redpoll
Lapland Longspur
Snow Bunting
Dark-eyed Junco
White-throated Sparrow
Savannah Sparrow
Song Sparrow
new world sparrow sp.
Red-winged Blackbird
Common Grackle
Northern Cardinal
passerine sp.

KEY:| = insufficient data | = rare to widespread