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Bird Observations

Date Range:
May, 1900-2060

Castle Rock

Updated ~15 hr(s) ago.

50 species (+2 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brant  
Canada Goose  
Mallard  
Common Eider  
Surf Scoter  
White-winged Scoter  
Black Scoter  
Surf/Black Scoter  
scoter sp.  
Long-tailed Duck  
Bufflehead  
Red-breasted Merganser  
Rock Pigeon  
Mourning Dove  
Purple Sandpiper  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Spotted Sandpiper  
Bonaparte's Gull  
Ring-billed Gull  
Herring Gull  
Great Black-backed Gull  
Common Tern  
Red-throated Loon  
Common Loon  
Manx Shearwater  
Northern Gannet  
Double-crested Cormorant  
Snowy Egret  
Glossy Ibis  
Osprey  
Downy Woodpecker  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Flicker  
Blue Jay  
American Crow  
Fish Crow  
Northern Rough-winged Swallow  
Tree Swallow  
Bank Swallow  
Barn Swallow  
White-breasted Nuthatch  
Carolina Wren  
European Starling  
Gray Catbird  
Northern Mockingbird  
American Robin  
House Sparrow  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
House Finch  
American Goldfinch  
Song Sparrow  
Baltimore Oriole  
Brown-headed Cowbird  
Common Grackle  
Northern Cardinal  

KEY:| = insufficient data | = rare to widespread

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