Birds in Iowa in May

Percent of complete checklists in Iowa that reported the bird during these weeks, 2016–2025 (44,053 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1American Robin74%
2. 2Northern Cardinal64%
3. 3Red-winged Blackbird61%
4. 4Northern House Wren56%
5. 5Gray Catbird53%
6. 6Blue Jay51%
7. 7Baltimore Oriole50%
8. 8American Goldfinch48%
9. 9Brown-headed Cowbird45%
10. 10Canada Goose44%
11. 11Red-bellied Woodpecker44%
12. 12Mourning Dove42%
13. 13Black-capped Chickadee41%
14. 14Rose-breasted Grosbeak40%
15. 15Downy Woodpecker39%
16. 16Common Yellowthroat38%
17. 17Turkey Vulture37%
18. 18American Crow35%
19. 19House Sparrow35%
20. 20White-breasted Nuthatch34%
21. 21Common Grackle32%
22. 22European Starling32%
23. 23Chipping Sparrow32%
24. 24Song Sparrow31%
25. 25Indigo Bunting31%
26. 26American Redstart30%
27. 27Northern Yellow Warbler30%
28. 28Barn Swallow30%
29. 29Great Crested Flycatcher27%
30. 30Eastern Warbling Vireo25%
31. 31Red-headed Woodpecker24%
32. 32Tree Swallow23%
33. 33Killdeer23%
34. 34House Finch22%
35. 35Eastern Kingbird22%
36. 36Mallard22%
37. 37Red-eyed Vireo20%
38. 38Blue-gray Gnatcatcher19%
39. 39Eastern Wood-Pewee19%
40. 40Tennessee Warbler19%
41. 41Yellow-rumped Warbler18%
42. 42Eastern Bluebird18%
43. 43Ring-necked Pheasant17%
44. 44Northern Flicker17%
45. 45Hairy Woodpecker16%
46. 46White-throated Sparrow16%
47. 47Great Blue Heron16%
48. 48Swainson's Thrush15%
49. 49Wood Duck15%
50. 50Yellow-throated Vireo15%
51. 51Brown Thrasher15%
52. 52Eastern Meadowlark15%
53. 53Eastern Phoebe15%
54. 54Ruby-throated Hummingbird14%
55. 55Tufted Titmouse14%
56. 56Blue-winged Teal14%
57. 57Eastern Towhee14%
58. 58Nashville Warbler14%
59. 59Least Flycatcher13%
60. 60Field Sparrow13%

• Eastern Wood-Peweefirst arrivals early May, peaks late August
• Dickcisselfirst arrivals the second week of May, peaks late June
• Red-headed Woodpeckerfirst arrivals early May, peaks early September
• Cedar Waxwingfirst arrivals late May, peaks the second week of September
• Yellow-billed Cuckoofirst arrivals the second week of May, peaks early June
• Willow Flycatcherfirst arrivals the second week of May, peaks early June
• Common Nighthawkfirst arrivals the second week of May, peaks the second week of September
• Blackpoll Warblerfirst arrivals early May, peaks mid May
• Wilson's Warblerfirst arrivals early May, peaks mid May
• Bobolinkfirst arrivals early May, peaks early June
• Bell's Vireofirst arrivals the second week of May, peaks early June
• Alder Flycatcherfirst arrivals the second week of May, peaks late May

• Canada Goosemost gone by mid May
• White-throated Sparrowmost gone by mid May
• Blue-winged Tealmost gone by the second week of May
• Northern Shovelermost gone by the second week of May
• American Cootmost gone by late May
• Lesser Scaupmost gone by early May
• Nashville Warblermost gone by late May
• Gadwallmost gone by early May
• Green-winged Tealmost gone by early May
• White-crowned Sparrowmost gone by late May
• Palm Warblermost gone by mid May
• Lesser Yellowlegsmost gone by mid May