Birds in Colorado in July

Percent of complete checklists in Colorado that reported the bird during these weeks, 2016–2025 (121,028 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1American Robin49%
2. 2Broad-tailed Hummingbird39%
3. 3House Finch38%
4. 4Mourning Dove33%
5. 5Northern Flicker33%
6. 6Red-winged Blackbird28%
7. 7Black-capped Chickadee28%
8. 8Northern House Wren27%
9. 9Violet-green Swallow24%
10. 10American Crow23%
11. 11Barn Swallow22%
12. 12American Goldfinch21%
13. 13Spotted Towhee20%
14. 14Black-billed Magpie20%
15. 15Eurasian Collared-Dove20%
16. 16Mallard19%
17. 17Mountain Chickadee18%
18. 18Song Sparrow18%
19. 19Lesser Goldfinch18%
20. 20Blue Jay18%
21. 21Northern Yellow Warbler17%
22. 22Canada Goose17%
23. 23Western Wood-Pewee16%
24. 24White-breasted Nuthatch15%
25. 25House Sparrow15%
26. 26Red-tailed Hawk15%
27. 27Western Kingbird15%
28. 28Cliff Swallow15%
29. 29Common Grackle15%
30. 30Western Flycatcher14%
31. 31Common Raven14%
32. 32Dark-eyed Junco13%
33. 33European Starling13%
34. 34Pine Siskin13%
35. 35Tree Swallow12%
36. 36Turkey Vulture12%
37. 37Western Meadowlark12%
38. 38Great Blue Heron12%
39. 39Double-crested Cormorant12%
40. 40Chipping Sparrow12%
41. 41Say's Phoebe11%
42. 42Bullock's Oriole11%
43. 43Downy Woodpecker10%
44. 44Killdeer10%
45. 45Brown-headed Cowbird10%

• Ring-billed Gullfirst arrivals mid July, peaks the second week of November
• Rufous Hummingbirdfirst arrivals early July, peaks early August
• Steller's Jayfirst arrivals the second week of July, peaks late September
• Redheadfirst arrivals mid July, peaks the second week of March
• Ruddy Duckfirst arrivals mid July, peaks early November
• Baird's Sandpiperfirst arrivals mid July, peaks early September
• Great Horned Owlfirst arrivals late July, peaks early May
• Calliope Hummingbirdfirst arrivals the second week of July, peaks the second week of August
• Least Sandpiperfirst arrivals early July, peaks early September
• Solitary Sandpiperfirst arrivals mid July, peaks late August

• American Robinmost gone by mid July
• Common Gracklemost gone by mid July
• Bullock's Oriolemost gone by mid July
• Song Sparrowmost gone by the second week of July
• Brown-headed Cowbirdmost gone by the second week of July
• Tree Swallowmost gone by late July
• Western Warbling Vireomost gone by late July
• Yellow-breasted Chatmost gone by late July
• Great-tailed Gracklemost gone by early July
• Northern Mockingbirdmost gone by mid July
• Brown Thrashermost gone by mid July
• American Dippermost gone by late July

46. 46Steller's Jay9.9%
47. 47Western Tanager9.8%
48. 48Western Warbling Vireo9.1%
49. 49Rufous Hummingbird8.9%
50. 50Pygmy Nuthatch8.8%
51. 51Black-headed Grosbeak8.7%
52. 52Yellow-rumped Warbler8.4%
53. 53Rock Pigeon8.3%
54. 54White-crowned Sparrow7.5%
55. 55Red-breasted Nuthatch7.5%
56. 56American White Pelican7.4%
57. 57Black-chinned Hummingbird7.4%
58. 58Hairy Woodpecker6.9%
59. 59Common Yellowthroat6.9%
60. 60Gray Catbird6.9%