WhenToBird

Birds in Illinois

Birds in Illinois in May

The most likely birds in Illinois in May are American Robin (76%), Northern Cardinal (64%), and Red-winged Blackbird (64%). 173 species show up on at least 1 in 100 checklists.

Percent of complete checklists in Illinois that reported the bird during these weeks, 2016–2025 (211,218 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

Common now

Share of checklists
  1. 1American Robin76%
  2. 2Northern Cardinal64%
  3. 3Red-winged Blackbird64%
  4. 4American Goldfinch48%
  5. 5Blue Jay45%
  6. 6Brown-headed Cowbird44%
  7. 7Canada Goose44%
  8. 8Common Grackle42%
  9. 9Gray Catbird42%
  10. 10Baltimore Oriole42%
  11. 11Mourning Dove41%
  12. 12House Sparrow41%
  13. 13Mallard40%
  14. 14Red-bellied Woodpecker39%
  15. 15Song Sparrow39%
  16. 16European Starling38%
  17. 17Northern House Wren37%
  18. 18Common Yellowthroat37%
  19. 19Downy Woodpecker35%
  20. 20Black-capped Chickadee33%
  21. 21Blue-gray Gnatcatcher32%
  22. 22Barn Swallow32%
  23. 23Northern Yellow Warbler31%
  24. 24Tree Swallow31%
  25. 25Indigo Bunting29%
  26. 26American Crow28%
  27. 27Eastern Warbling Vireo26%
  28. 28Rose-breasted Grosbeak25%
  29. 29House Finch25%
  30. 30White-breasted Nuthatch24%
  31. 31Northern Flicker24%
  32. 32Great Blue Heron23%
  33. 33Chimney Swift23%
  34. 34American Redstart23%
  35. 35Great Crested Flycatcher21%
  36. 36Yellow-rumped Warbler21%
  37. 37Eastern Wood-Pewee21%
  38. 38Palm Warbler20%
  39. 39Red-eyed Vireo20%
  40. 40Ring-billed Gull20%
  41. 41White-crowned Sparrow19%
  42. 42Killdeer19%
  43. 43Chipping Sparrow19%
  44. 44White-throated Sparrow19%
  45. 45Turkey Vulture18%
  46. 46Eastern Kingbird18%
  47. 47Swainson's Thrush17%
  48. 48Northern Rough-winged Swallow17%
  49. 49Double-crested Cormorant17%
  50. 50Nashville Warbler16%
  51. 51Eastern Towhee16%
  52. 52Wood Duck15%
  53. 53Tennessee Warbler15%
  54. 54Eastern Phoebe15%
  55. 55Black-and-white Warbler14%
  56. 56Field Sparrow14%
  57. 57Magnolia Warbler14%
  58. 58Tufted Titmouse13%
  59. 59Ruby-crowned Kinglet13%
  60. 60Red-tailed Hawk13%

Arriving

New in May

Leaving

Gone by the end of May