Birds in Colorado in March

Percent of complete checklists in Colorado that reported the bird during these weeks, 2016–2025 (110,085 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1American Robin44%
2. 2House Finch44%
3. 3Northern Flicker43%
4. 4Canada Goose42%
5. 5Mallard42%
6. 6Red-winged Blackbird40%
7. 7Black-capped Chickadee37%
8. 8American Crow35%
9. 9Dark-eyed Junco34%
10. 10Black-billed Magpie31%
11. 11European Starling28%
12. 12Red-tailed Hawk28%
13. 13Eurasian Collared-Dove26%
14. 14Song Sparrow22%
15. 15Gadwall22%
16. 16Blue Jay20%
17. 17Ring-billed Gull19%
18. 18Common Raven16%
19. 19Common Goldeneye16%
20. 20House Sparrow16%
21. 21Northern Shoveler15%
22. 22Green-winged Teal15%
23. 23American Wigeon15%
24. 24Western Meadowlark15%
25. 25Downy Woodpecker15%
26. 26White-breasted Nuthatch14%
27. 27Spotted Towhee14%
28. 28American Coot14%
29. 29Rock Pigeon13%
30. 30Killdeer13%
31. 31Bufflehead13%
32. 32Ring-necked Duck13%
33. 33Common Merganser12%
34. 34Great Blue Heron12%
35. 35Lesser Scaup12%
36. 36Hooded Merganser11%
37. 37Mountain Chickadee11%
38. 38American Goldfinch10%
39. 39Bald Eagle10%
40. 40White-crowned Sparrow10%

• American Robinfirst arrivals mid March, peaks mid May
• Red-winged Blackbirdfirst arrivals early March, peaks early May
• Common Gracklefirst arrivals mid March, peaks the second week of May
• Yellow-rumped Warblerfirst arrivals mid March, peaks early May
• Western Meadowlarkfirst arrivals mid March, peaks late April
• Song Sparrowfirst arrivals early March, peaks early May
• Killdeerfirst arrivals mid March, peaks mid April
• Say's Phoebefirst arrivals early March, peaks late April
• Great Blue Heronfirst arrivals mid March, peaks late April
• Tree Swallowfirst arrivals late March, peaks the second week of May
• Blue-winged Tealfirst arrivals mid March, peaks late April
• Turkey Vulturefirst arrivals mid March, peaks mid May

• Cackling Goosemost gone by the second week of March
• Townsend's Solitairemost gone by late March
• American Tree Sparrowmost gone by the second week of March
• American Herring Gullmost gone by late March
• Snow Goosemost gone by early March

41. 41Redhead9.5%
42. 42Cackling Goose9.4%
43. 43Mourning Dove9.1%
44. 44American Kestrel9.0%
45. 45Bushtit9.0%
46. 46Red-breasted Nuthatch8.3%
47. 47Belted Kingfisher8.1%
48. 48Pine Siskin7.9%
49. 49Steller's Jay7.6%
50. 50Woodhouse's Scrub-Jay7.6%
51. 51Double-crested Cormorant7.3%
52. 52Mountain Bluebird6.7%
53. 53Townsend's Solitaire5.9%
54. 54Pygmy Nuthatch5.4%
55. 55Say's Phoebe5.3%
56. 56Cinnamon Teal5.2%
57. 57Northern Harrier4.8%
58. 58Hairy Woodpecker4.6%
59. 59Ruddy Duck4.6%
60. 60Canvasback4.3%