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Bird Observations

Date Range:
Mar-May, 1900-2060

Castle Rock

Updated ~24 hr(s) ago.

72 species (+4 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brant
Canada Goose
Mallard
American Black Duck
Common Eider
Surf Scoter
White-winged Scoter
Black Scoter
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Common Merganser
Red-breasted Merganser
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wild Turkey
Horned Grebe
Red-necked Grebe
Eared Grebe
Rock Pigeon
Mourning Dove
Purple Sandpiper
Spotted Sandpiper
Black Guillemot
Bonaparte's Gull
Ring-billed Gull
Herring Gull
Great Black-backed Gull
gull sp.
Common Tern
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-throated Loon
Common Loon
Manx Shearwater
Northern Gannet
Great Cormorant
Double-crested Cormorant
cormorant sp.
Great Blue Heron
Great Egret
Snowy Egret
Glossy Ibis
Osprey
Northern Harrier
Cooper's Hawk
Yellow-bellied Sapsucker
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Downy Woodpecker
Northern Flicker
American Kestrel
Blue Jay
American Crow
Fish Crow
Black-capped Chickadee
Northern Rough-winged Swallow
Tree Swallow
Bank Swallow
Barn Swallow
Red-breasted Nuthatch
White-breasted Nuthatch
Carolina Wren
European Starling
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Gray Catbird
Northern Mockingbird
American Robin
House Sparrow
House Finch
Pine Siskin
American Goldfinch
Dark-eyed Junco
White-throated Sparrow
Savannah Sparrow
Song Sparrow
Baltimore Oriole
Red-winged Blackbird
Brown-headed Cowbird
Common Grackle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Cardinal

KEY:| = insufficient data | = rare to widespread

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