WhenToBird

Birds in Illinois

Birds in Illinois in April

The most likely birds in Illinois in April are American Robin (74%), Red-winged Blackbird (64%), and Northern Cardinal (63%). 146 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 (171,714 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

Common now

Share of checklists
  1. 1American Robin74%
  2. 2Red-winged Blackbird64%
  3. 3Northern Cardinal63%
  4. 4Canada Goose52%
  5. 5Mallard46%
  6. 6Song Sparrow41%
  7. 7Mourning Dove40%
  8. 8Brown-headed Cowbird39%
  9. 9Downy Woodpecker39%
  10. 10European Starling38%
  11. 11House Sparrow38%
  12. 12Red-bellied Woodpecker36%
  13. 13Northern Flicker36%
  14. 14Common Grackle36%
  15. 15Blue Jay35%
  16. 16Black-capped Chickadee34%
  17. 17American Goldfinch32%
  18. 18American Crow30%
  19. 19Tree Swallow29%
  20. 20Yellow-rumped Warbler27%
  21. 21House Finch27%
  22. 22White-throated Sparrow25%
  23. 23White-breasted Nuthatch25%
  24. 24Ring-billed Gull24%
  25. 25Killdeer22%
  26. 26Ruby-crowned Kinglet22%
  27. 27Dark-eyed Junco21%
  28. 28Turkey Vulture21%
  29. 29Great Blue Heron21%
  30. 30Eastern Phoebe19%
  31. 31Double-crested Cormorant19%
  32. 32Wood Duck19%
  33. 33Blue-winged Teal18%
  34. 34Chipping Sparrow18%
  35. 35Tufted Titmouse15%
  36. 36Eastern Towhee15%
  37. 37Red-tailed Hawk15%
  38. 38Field Sparrow14%
  39. 39Swamp Sparrow14%
  40. 40Blue-gray Gnatcatcher14%
  41. 41Golden-crowned Kinglet14%
  42. 42Barn Swallow13%
  43. 43Brown Thrasher12%
  44. 44Hermit Thrush12%
  45. 45Hairy Woodpecker11%
  46. 46Eastern Bluebird11%
  47. 47Brown Creeper11%
  48. 48American Coot11%
  49. 49Carolina Wren10%
  50. 50Eastern Meadowlark10%
  51. 51Pied-billed Grebe10%

Arriving

New in April

Leaving

Gone by the end of April

Less common

Share of checklists
  1. 52Northern Rough-winged Swallow10%
  2. 53Palm Warbler9.8%
  3. 54Northern House Wren9.5%
  4. 55Northern Shoveler9.3%
  5. 56Yellow-bellied Sapsucker9.0%
  6. 57Rock Pigeon9.0%
  7. 58Red-breasted Merganser8.9%
  8. 59Caspian Tern8.7%
  9. 60Belted Kingfisher8.7%