Birds in Montana in September

Percent of complete checklists in Montana that reported the bird during these weeks, 2016–2025 (29,980 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1American Robin44%
2. 2Black-capped Chickadee42%
3. 3Northern Flicker40%
4. 4Black-billed Magpie40%
5. 5Yellow-rumped Warbler31%
6. 6European Starling31%
7. 7Mallard27%
8. 8Canada Goose27%
9. 9Cedar Waxwing26%
10. 10Common Raven26%
11. 11House Finch23%
12. 12Red-breasted Nuthatch22%
13. 13Eurasian Collared-Dove22%
14. 14Pine Siskin22%
15. 15White-crowned Sparrow21%
16. 16American Goldfinch20%
17. 17American Crow20%
18. 18Red-tailed Hawk17%
19. 19Killdeer16%
20. 20Wilson's Warbler16%
21. 21Song Sparrow16%
22. 22Mourning Dove16%
23. 23Red-winged Blackbird16%
24. 24Gray Catbird15%
25. 25House Sparrow15%
26. 26Mountain Chickadee15%
27. 27Rock Pigeon14%
28. 28Ruby-crowned Kinglet14%
29. 29Downy Woodpecker14%
30. 30Belted Kingfisher13%
31. 31Common Yellowthroat13%
32. 32American Coot13%
33. 33Western Meadowlark12%
34. 34Ring-billed Gull12%
35. 35Dark-eyed Junco12%
36. 36Turkey Vulture11%
37. 37Great Blue Heron11%
38. 38Double-crested Cormorant10%
39. 39Chipping Sparrow10%

• Townsend's Solitairefirst arrivals the second week of September, peaks the second week of December
• White-throated Sparrowfirst arrivals early September, peaks early October
• Horned Grebefirst arrivals early September, peaks late October
• Ruffed Grousefirst arrivals early September, peaks late May

• Mourning Dovemost gone by the second week of September
• American Goldfinchmost gone by mid September
• Chipping Sparrowmost gone by mid September
• Northern House Wrenmost gone by the second week of September
• Western Warbling Vireomost gone by early September
• Gray Catbirdmost gone by mid September
• Western Tanagermost gone by the second week of September
• Wilson's Warblermost gone by late September
• Common Yellowthroatmost gone by late September
• Barn Swallowmost gone by the second week of September
• Spotted Sandpipermost gone by early September
• Ospreymost gone by mid September

40. 40Savannah Sparrow9.7%
41. 41Osprey9.2%
42. 42Northern Harrier8.8%
43. 43Common Grackle8.8%
44. 44Lincoln's Sparrow8.8%
45. 45Orange-crowned Warbler8.6%
46. 46Bald Eagle8.6%
47. 47Evening Grosbeak8.1%
48. 48American Pipit7.9%
49. 49Sandhill Crane7.9%
50. 50Barn Swallow7.8%
51. 51Green-winged Teal7.8%
52. 52American White Pelican7.7%
53. 53Common Merganser7.4%
54. 54Gadwall7.4%
55. 55Clark's Nutcracker7.3%
56. 56American Kestrel7.3%
57. 57Brewer's Blackbird7.1%
58. 58American Wigeon6.9%
59. 59Hairy Woodpecker6.9%
60. 60Northern House Wren6.9%