Birds in Colorado
Birds in Colorado in December
The most likely birds in Colorado in December are House Finch (43%), Northern Flicker (40%), and Black-capped Chickadee (39%). 98 species show up on at least 1 in 100 checklists.
Percent of complete checklists in Colorado that reported the bird during these weeks, 2016–2025 (91,535 checklists). It shows how likely you are to list the bird, not how many there are. Methods.
Common now
Share of checklists- 1
House Finch43% - 2
Northern Flicker40% - 3
Black-capped Chickadee39% - 4
Dark-eyed Junco37% - 5
Canada Goose36% - 6
Black-billed Magpie36% - 7
Mallard33% - 8
American Crow31% - 9
American Robin27% - 10
Red-tailed Hawk25% - 11
European Starling25% - 12
Blue Jay22% - 13
Common Goldeneye22% - 14
Ring-billed Gull22% - 15
Eurasian Collared-Dove21% - 16
Cackling Goose21% - 17
Red-winged Blackbird20% - 18
Song Sparrow20% - 19
White-breasted Nuthatch17% - 20
Downy Woodpecker17% - 21
American Goldfinch17% - 22
Common Raven17% - 23
White-crowned Sparrow15% - 24
House Sparrow15% - 25
Rock Pigeon14% - 26
Hooded Merganser14% - 27
Mountain Chickadee13% - 28
Bald Eagle13% - 29
Bufflehead12% - 30
Spotted Towhee12% - 31
American Kestrel12% - 32
Gadwall12% - 33
American Coot12% - 34
American Wigeon12% - 35
Common Merganser11% - 36
Belted Kingfisher11% - 37
Northern Shoveler11% - 38
Red-breasted Nuthatch11% - 39
Ring-necked Duck11% - 40
Townsend's Solitaire10%
Arriving
New in DecemberLeaving
Gone by the end of DecemberLess common
Share of checklists- 41
Green-winged Teal8.2% - 42
Woodhouse's Scrub-Jay8.2% - 43
Steller's Jay7.9% - 44
American Tree Sparrow7.2% - 45
Bushtit6.4% - 46
Great Blue Heron6.3% - 47Northern Harrier6.2%
- 48
Pygmy Nuthatch5.9% - 49
Hairy Woodpecker5.5% - 50
Pied-billed Grebe5.5% - 51
Lesser Scaup5.4% - 52
Pine Siskin4.9% - 53
Killdeer4.6% - 54
Mourning Dove4.6% - 55
Redhead4.3% - 56
American Herring Gull3.9% - 57
Snow Goose3.6% - 58
Brown Creeper3.6% - 59
Western Meadowlark3.4% - 60
Cooper's Hawk3.1%