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2010 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
Canada Goose 24,807       296      
Red-winged Blackbird 15,003       181      
Mallard 12,966       150      
Snow Goose 12,047       6      
European Starling 7,703       345      
Dark-eyed Junco 6,870       833      
House Finch 5,710       755      
House Sparrow 4,760       424      
American Crow 4,317       361      
Brown-capped Rosy-Finch 3,002       43      
Pine Siskin 2,570       243      
American Robin 2,453       372      
Ring-billed Gull 2,231       64      
Rock Pigeon 2,028       211      
Black-capped Chickadee 1,776       584      
Mountain Chickadee 1,751       427      
Black-billed Magpie 1,742       512      
Gray-crowned Rosy-Finch 1,567       44      
American Goldfinch 1,376       212      
Northern Flicker 1,365       591      
Steller's Jay 1,285       300      
Eurasian Collared-Dove 1,270       331      
Northern Shoveler 1,120       26      
Cackling Goose 1,031       17      
Cassin's Finch 924       111      
Common Goldeneye 872       60      
Evening Grosbeak 871       54      
Pygmy Nuthatch 797       176      
Common Raven 765       206      
Horned Lark 762       20      
Mourning Dove 750       143      
Western Scrub-Jay 715       199      
Downy Woodpecker 591       404      
Bushtit 533       53      
Blue Jay 531       213      
Wild Turkey 531       31      
Ross's Goose 500       1      
White-breasted Nuthatch 495       273      
Common Merganser 480       41      
American Wigeon 458       32      
Pinyon Jay 457       19      
Gadwall 376       25      
Red-tailed Hawk 370       201      
American Coot 330       35      
Lesser Scaup 329       14      
Black Rosy-Finch 326       22      
American Tree Sparrow 310       56      
Hairy Woodpecker 308       200      
Bufflehead 287       22      
Red-breasted Nuthatch 282       151      
Spotted Towhee 280       128      
Pine Grosbeak 272       33      
Ring-necked Duck 257       24      
Song Sparrow 244       68      
Northern Pintail 242       11      
Mountain Bluebird 229       27      
White-crowned Sparrow 223       66      
Sandhill Crane 195       2      
American Kestrel 185       112      
Scaled Quail 145       11      
Brewer's Blackbird 144       7      
Hooded Merganser 143       32      
Bald Eagle 138       82      
Cedar Waxwing 131       10      
Green-winged Teal 130       23      
Sharp-tailed Grouse 92       4      
Brown Creeper 76       59      
Wood Duck 75       14      
Gray Jay 74       27      
Redhead 72       9      
Red Crossbill 71       18      
Gambel's Quail 69       10      
Western Bluebird 69       11      
Golden Eagle 64       41      
Herring Gull 64       14      
Townsend's Solitaire 63       46      
Clark's Nutcracker 61       32      
Western Meadowlark 58       23      
Sharp-shinned Hawk 47       44      
Pied-billed Grebe 45       10      
Great Horned Owl 44       36      
Lewis's Woodpecker 41       22      
Cooper's Hawk 40       39      
Northern Harrier 37       29      
Canvasback 34       9      
Great Blue Heron 34       24      
Juniper Titmouse 32       21      
Belted Kingfisher 31       28      
Rough-legged Hawk 31       19      
Ferruginous Hawk 27       19      
American Dipper 24       17      
Red-breasted Merganser 23       3      
Great-tailed Grackle 21       2      
White-winged Dove 19       5      
Canyon Towhee 17       9      
Barrow's Goldeneye 16       6      
Prairie Falcon 16       13      
Common Grackle 15       1      
Lesser Goldfinch 13       4      
Golden-crowned Kinglet 12       1      
Marsh Wren 12       2      
Ruby-crowned Kinglet 12       6      
Greater White-fronted Goose 11       1      
Merlin 11       11      
Eared Grebe 10       1      
Northern Shrike 10       8      
Ruddy Duck 9       1      
Killdeer 8       6      
Bewick's Wren 7       7      
Yellow-rumped Warbler 7       3      
Curve-billed Thrasher 6       4      
Double-crested Cormorant 6       2      
Greater Scaup 5       2      
Horned Grebe 5       2      
Northern Goshawk 5       5      
Trumpeter Swan 5       1      
Common Redpoll 4       2      
Harris's Sparrow 4       4      
Long-tailed Duck 4       2      
Common Loon 3       1      
Thayer's Gull 3       2      
Western Grebe 3       1      
Western Screech-Owl 3       2      
Wilson's Snipe 3       3      
Barn Owl 2       2      
Black-crowned Night-Heron 2       2      
Chihuahuan Raven 2       1      
Loggerhead Shrike 2       1      
Ring-necked Pheasant 2       2      
Short-eared Owl 2       1      
White-winged Crossbill 2       1      
American Three-toed Woodpecker 1       1      
California Gull 1       1      
Carolina Wren 1       1      
Dusky Grouse 1       1      
Eastern Screech-Owl 1       1      
Glaucous Gull 1       1      
Golden-crowned Sparrow 1       1      
Greater Roadrunner 1       1      
Iceland Gull 1       1      
Lesser Black-backed Gull 1       1      
Northern Mockingbird 1       1      
Pine Warbler 1       1      
Red-bellied Woodpecker 1       1      
Red-naped Sapsucker 1       1      
Rock Wren 1       1      
Sage Thrasher 1       1      
Snowy Owl 1       1      
Swamp Sparrow 1       1      
Virginia Rail 1       1      
White-throated Sparrow 1       1      
Williamson's Sapsucker 1       1      
Total 139,376             

A total of 152 species were reported.

See list of localities in Colorado with reports.

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