Birds in Illinois in September

Percent of complete checklists in Illinois that reported the bird during these weeks, 2016–2025 (105,642 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1Northern Cardinal53%
2. 2Blue Jay53%
3. 3American Goldfinch49%
4. 4American Robin48%
5. 5Downy Woodpecker44%
6. 6Black-capped Chickadee40%
7. 7Canada Goose40%
8. 8Mourning Dove39%
9. 9Red-bellied Woodpecker36%
10. 10White-breasted Nuthatch35%
11. 11Northern Flicker34%
12. 12House Sparrow32%
13. 13Gray Catbird32%
14. 14Mallard29%
15. 15American Crow28%
16. 16European Starling27%
17. 17Great Blue Heron27%
18. 18Swainson's Thrush26%
19. 19American Redstart26%
20. 20Ruby-throated Hummingbird25%
21. 21House Finch25%
22. 22Chimney Swift24%
23. 23Eastern Wood-Pewee23%
24. 24Cedar Waxwing21%
25. 25Ring-billed Gull21%
26. 26Killdeer20%
27. 27Double-crested Cormorant19%
28. 28Magnolia Warbler19%
29. 29Great Egret19%
30. 30Tennessee Warbler17%
31. 31Turkey Vulture17%
32. 32Red-eyed Vireo16%
33. 33Red-winged Blackbird15%
34. 34Song Sparrow15%
35. 35Palm Warbler15%
36. 36Red-tailed Hawk14%
37. 37Northern House Wren14%
38. 38Common Yellowthroat14%
39. 39Hairy Woodpecker14%
40. 40Wood Duck13%
41. 41Common Grackle13%
42. 42Yellow-rumped Warbler13%
43. 43Cooper's Hawk13%
44. 44Black-and-white Warbler13%
45. 45Bay-breasted Warbler12%
46. 46Eastern Phoebe12%
47. 47Nashville Warbler12%
48. 48Carolina Wren12%
49. 49Tufted Titmouse12%
50. 50Rose-breasted Grosbeak11%
51. 51Rock Pigeon11%
52. 52Red-headed Woodpecker11%
53. 53Belted Kingfisher10%
54. 54Blackpoll Warbler10%
55. 55Black-throated Green Warbler10%
56. 56Red-breasted Nuthatch10%

• Dark-eyed Juncofirst arrivals late September, peaks the second week of November
• White-throated Sparrowfirst arrivals the second week of September, peaks mid October
• Golden-crowned Kingletfirst arrivals mid September, peaks mid October
• White-crowned Sparrowfirst arrivals mid September, peaks the second week of May
• Swamp Sparrowfirst arrivals the second week of September, peaks the second week of October
• Hermit Thrushfirst arrivals mid September, peaks mid October
• Brown Creeperfirst arrivals mid September, peaks the second week of April
• Eastern Bluebirdfirst arrivals the second week of September, peaks mid October
• American Cootfirst arrivals the second week of September, peaks early April
• Gadwallfirst arrivals late September, peaks the second week of March
• Winter Wrenfirst arrivals mid September, peaks mid October
• Orange-crowned Warblerfirst arrivals early September, peaks the second week of October

• Barn Swallowmost gone by early September
• Common Yellowthroatmost gone by mid September
• Eastern Wood-Peweemost gone by late September
• Blue-gray Gnatcatchermost gone by early September
• Eastern Warbling Vireomost gone by the second week of September
• Red-eyed Vireomost gone by late September
• Spotted Sandpipermost gone by early September
• Red-headed Woodpeckermost gone by late September
• Green Heronmost gone by mid September
• Least Sandpipermost gone by mid September
• Solitary Sandpipermost gone by mid September
• Semipalmated Sandpipermost gone by the second week of September

57. 57Eastern Bluebird9.4%
58. 58Chestnut-sided Warbler9.1%
59. 59Eastern Warbling Vireo9.1%
60. 60Barn Swallow8.9%