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2011 Results: Colorado

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

See list of localities in Colorado with reports.


Species [taxonomic]
[alphabetic]
Number of Birds   Number of Checklists
Reporting the Species
Greater White-fronted Goose 4       1      
Snow Goose 24,700       12      
Ross's Goose 6,011       2      
Cackling Goose 2,840       18      
Canada Goose 31,781       381      
Wood Duck 25       7      
Gadwall 587       39      
American Wigeon 1,500       30      
Mallard 6,020       227      
Cinnamon Teal 7       5      
Northern Shoveler 1,515       42      
Northern Pintail 793       18      
Green-winged Teal 229       37      
Canvasback 84       11      
Redhead 1,540       27      
Ring-necked Duck 942       32      
Greater Scaup 19       3      
Lesser Scaup 187       22      
Long-tailed Duck 3       2      
Bufflehead 267       32      
Common Goldeneye 933       83      
Barrow's Goldeneye 39       8      
Hooded Merganser 257       44      
Common Merganser 902       49      
Red-breasted Merganser 25       6      
Ruddy Duck 10       3      
Scaled Quail 225       8      
Gambel's Quail 60       4      
Northern Bobwhite 10       1      
Ring-necked Pheasant 10       9      
Sharp-tailed Grouse 39       3      
Greater Prairie-Chicken 19       1      
Wild Turkey 409       22      
Pied-billed Grebe 74       16      
Horned Grebe 9       2      
Eared Grebe 7       2      
Western Grebe 37       4      
Double-crested Cormorant 20       4      
American White Pelican 4       1      
Great Blue Heron 57       40      
Bald Eagle 212       89      
Northern Harrier 79       44      
Sharp-shinned Hawk 51       51      
Cooper's Hawk 30       27      
Northern Goshawk 3       3      
Red-tailed Hawk 383       234      
Ferruginous Hawk 40       19      
Rough-legged Hawk 20       13      
Golden Eagle 29       21      
American Kestrel 168       107      
Merlin 11       10      
Prairie Falcon 20       14      
Virginia Rail 2       1      
American Coot 354       38      
Sandhill Crane 21       4      
Killdeer 12       7      
Spotted Sandpiper 1       1      
Wilson's Snipe 2       2      
Ring-billed Gull 3,167       95      
California Gull 1       1      
Herring Gull 53       16      
Great Black-backed Gull 1       1      
Rock Pigeon 2,069       194      
Eurasian Collared-Dove 1,906       439      
White-winged Dove 37       5      
Mourning Dove 730       145      
Greater Roadrunner 3       3      
Barn Owl 3       3      
Great Horned Owl 61       43      
Northern Pygmy-Owl 7       7      
Long-eared Owl 1       1      
Northern Saw-whet Owl 2       2      
Belted Kingfisher 45       37      
Lewis's Woodpecker 20       13      
Acorn Woodpecker 1       1      
Red-bellied Woodpecker 5       3      
Williamson's Sapsucker 8       2      
Yellow-bellied Sapsucker 1       1      
Red-naped Sapsucker 2       2      
Downy Woodpecker 633       418      
Hairy Woodpecker 315       194      
American Three-toed Woodpecker 3       2      
Northern Flicker 1,402       634      
Loggerhead Shrike 2       2      
Northern Shrike 7       7      
Gray Jay 45       17      
Pinyon Jay 294       22      
Steller's Jay 1,034       272      
Blue Jay 686       279      
Western Scrub-Jay 783       178      
Black-billed Magpie 1,405       427      
Clark's Nutcracker 89       35      
American Crow 4,929       423      
Common Raven 781       164      
Horned Lark 281       22      
Tree Swallow 1       1      
Black-capped Chickadee 1,660       567      
Mountain Chickadee 1,548       443      
Juniper Titmouse 29       23      
Bushtit 449       56      
Red-breasted Nuthatch 258       138      
White-breasted Nuthatch 641       363      
Pygmy Nuthatch 989       183      
Brown Creeper 57       46      
Canyon Wren 2       2      
Bewick's Wren 3       2      
Marsh Wren 5       3      
American Dipper 16       15      
Golden-crowned Kinglet 6       4      
Ruby-crowned Kinglet 7       4      
Western Bluebird 76       16      
Mountain Bluebird 91       25      
Townsend's Solitaire 81       59      
American Robin 1,905       363      
Sage Thrasher 2       2      
Curve-billed Thrasher 13       10      
European Starling 12,795       412      
American Pipit 2       1      
Cedar Waxwing 147       16      
Yellow-rumped Warbler 9       6      
Spotted Towhee 184       110      
Canyon Towhee 19       11      
American Tree Sparrow 598       75      
Song Sparrow 274       76      
White-throated Sparrow 1       1      
Harris's Sparrow 2       2      
White-crowned Sparrow 313       60      
Golden-crowned Sparrow 1       1      
Dark-eyed Junco 5,147       738      
Red-winged Blackbird 25,501       249      
Western Meadowlark 120       40      
Yellow-headed Blackbird 1       1      
Brewer's Blackbird 1,087       13      
Common Grackle 22       1      
Great-tailed Grackle 158       7      
Brown-headed Cowbird 9       3      
Gray-crowned Rosy-Finch 1,876       36      
Black Rosy-Finch 55       7      
Brown-capped Rosy-Finch 2,259       18      
Pine Grosbeak 269       30      
Cassin's Finch 648       94      
House Finch 6,093       797      
Red Crossbill 139       22      
Pine Siskin 2,007       174      
Lesser Goldfinch 31       13      
American Goldfinch 1,354       231      
Evening Grosbeak 836       52      
House Sparrow 4,936       479      
Total 179,182             

A total of 148 species were reported.

See list of localities in Colorado with reports.

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