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Bird Observations

Date Range:
Oct, 1900-2060

Castle Rock

Updated ~24 hr(s) ago.

66 species (+7 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brant  
Canada Goose  
Green-winged Teal  
Common Eider  
Harlequin Duck  
Surf Scoter  
White-winged Scoter  
Black Scoter  
Surf/Black Scoter  
scoter sp.  
Long-tailed Duck  
Bufflehead  
Red-breasted Merganser  
Horned Grebe  
Red-necked Grebe  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rock Pigeon  
Mourning Dove  
American Oystercatcher  
Semipalmated Plover  
Dunlin  
American Woodcock  
Black-legged Kittiwake  
Bonaparte's Gull  
Laughing Gull  
Ring-billed Gull  
Herring Gull  
Lesser Black-backed Gull  
Great Black-backed Gull  
Caspian Tern  
Sterna sp.  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-throated Loon  
Common Loon  
loon sp.  
Northern Gannet  
Great Cormorant  
Double-crested Cormorant  
Great Blue Heron  
Cooper's Hawk  
Downy Woodpecker  
Merlin  
Peregrine Falcon  
Blue Jay  
American Crow  
Black-capped Chickadee  
Ruby-crowned Kinglet  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Golden-crowned Kinglet  
Ruby-crowned/Golden-crowned Kinglet  
Red-breasted Nuthatch  
Winter Wren  
Carolina Wren  
European Starling  
Gray Catbird  
Northern Mockingbird  
American Robin  
House Sparrow  
American Pipit  
House Finch  
American Goldfinch  
Snow Bunting  
Dark-eyed Junco  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-crowned Sparrow  
White-throated Sparrow  
Savannah Sparrow  
Song Sparrow  
Swamp Sparrow  
new world sparrow sp.  
Common Grackle  
Common Yellowthroat  
Blackpoll Warbler  
Palm Warbler  
Yellow-rumped Warbler  
new world warbler sp.  
Northern Cardinal  

KEY:| = insufficient data | = rare to widespread

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