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2011 Results: Boulder, Colorado

This town report includes all data submitted to the town and to all postal codes associated with the town.

Other years: 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012


Species [taxonomic]
[alphabetic]
Number of Birds   Number of Checklists
Reporting the Species
Canada Goose 431       9      
Mallard 75       4      
Green-winged Teal 1       1      
Ring-necked Duck 4       2      
Common Goldeneye 5       2      
Hooded Merganser 2       1      
Common Merganser 15       2      
Red-breasted Merganser 3       1      
Wild Turkey 10       1      
Great Blue Heron 1       1      
Bald Eagle 3       2      
Sharp-shinned Hawk 2       2      
Red-tailed Hawk 11       6      
Ferruginous Hawk 1       1      
Golden Eagle 1       1      
American Kestrel 12       5      
Prairie Falcon 2       2      
American Coot 11       1      
Ring-billed Gull 327       4      
Herring Gull 2       1      
Rock Pigeon 44       7      
Eurasian Collared-Dove 62       20      
Mourning Dove 5       4      
Downy Woodpecker 28       21      
Hairy Woodpecker 6       5      
Northern Flicker 81       33      
Steller's Jay 26       11      
Blue Jay 25       12      
Black-billed Magpie 32       13      
American Crow 85       20      
Common Raven 2       1      
Black-capped Chickadee 78       33      
Mountain Chickadee 36       19      
Red-breasted Nuthatch 13       9      
White-breasted Nuthatch 37       21      
Pygmy Nuthatch 66       10      
Brown Creeper 5       5      
Townsend's Solitaire 2       2      
American Robin 64       16      
European Starling 286       23      
Spotted Towhee 3       2      
American Tree Sparrow 16       3      
Song Sparrow 4       2      
White-crowned Sparrow 4       2      
Dark-eyed Junco 136       35      
Red-winged Blackbird 164       8      
House Finch 233       39      
Pine Siskin 6       1      
Lesser Goldfinch 2       1      
American Goldfinch 50       11      
House Sparrow 99       18      
Total 2,619             

A total of 51 species were reported.

See a summary for Colorado.

This report was updated 15-Jan-2013 09:05 ET.