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