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2004 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
Snow Goose 8       2      
Canada Goose 2,936       11      
Gadwall 12       2      
American Wigeon 45       4      
Mallard 37       4      
Canvasback 3       1      
Redhead 65       1      
Ring-necked Duck 37       4      
Lesser Scaup 2       1      
Common Goldeneye 8       2      
Hooded Merganser 9       1      
Common Merganser 11       1      
Great Blue Heron 1       1      
Bald Eagle 5       3      
Northern Harrier 1       1      
Red-tailed Hawk 10       8      
Ferruginous Hawk 2       2      
Golden Eagle 2       2      
American Kestrel 7       7      
American Coot 3       1      
Killdeer 1       1      
Ring-billed Gull 445       10      
Rock Pigeon 58       13      
Belted Kingfisher 3       3      
Downy Woodpecker 21       17      
Hairy Woodpecker 3       2      
Northern Flicker 57       32      
Steller's Jay 7       2      
Blue Jay 9       3      
Black-billed Magpie 31       15      
American Crow 22       11      
Common Raven 15       5      
Black-capped Chickadee 24       16      
Mountain Chickadee 7       3      
Red-breasted Nuthatch 2       1      
White-breasted Nuthatch 6       4      
Pygmy Nuthatch 8       1      
Brown Creeper 1       1      
Ruby-crowned Kinglet 2       2      
American Robin 34       13      
European Starling 203       29      
Spotted Towhee 5       4      
American Tree Sparrow 22       3      
Song Sparrow 4       4      
White-crowned Sparrow 3       2      
Dark-eyed Junco 174       29      
Red-winged Blackbird 152       8      
Western Meadowlark 9       3      
House Finch 308       38      
American Goldfinch 28       6      
House Sparrow 314       28      
Total 5,182             

A total of 51 species were reported.

See a summary for Colorado.

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