Birds in Wisconsin in May

Percent of complete checklists in Wisconsin that reported the bird during these weeks, 2016–2025 (224,830 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1American Robin73%
2. 2Red-winged Blackbird66%
3. 3Northern Cardinal53%
4. 4American Goldfinch51%
5. 5Blue Jay49%
6. 6Black-capped Chickadee49%
7. 7Song Sparrow48%
8. 8Mourning Dove46%
9. 9American Crow43%
10. 10Canada Goose42%
11. 11Baltimore Oriole41%
12. 12Common Grackle41%
13. 13Gray Catbird39%
14. 14Brown-headed Cowbird38%
15. 15Northern House Wren38%
16. 16Mallard37%
17. 17Red-bellied Woodpecker37%
18. 18Northern Yellow Warbler36%
19. 19Tree Swallow35%
20. 20Downy Woodpecker33%
21. 21Common Yellowthroat33%
22. 22Rose-breasted Grosbeak31%
23. 23White-breasted Nuthatch30%
24. 24Chipping Sparrow27%
25. 25Barn Swallow26%
26. 26European Starling26%
27. 27House Sparrow25%
28. 28Yellow-rumped Warbler23%
29. 29Northern Flicker23%
30. 30American Redstart23%
31. 31House Finch23%
32. 32Sandhill Crane23%
33. 33Blue-gray Gnatcatcher20%
34. 34Hairy Woodpecker19%
35. 35Killdeer19%
36. 36Turkey Vulture19%
37. 37Eastern Warbling Vireo18%
38. 38Red-eyed Vireo18%
39. 39White-throated Sparrow18%
40. 40Great Crested Flycatcher18%
41. 41Indigo Bunting16%
42. 42Palm Warbler16%
43. 43Nashville Warbler15%
44. 44Eastern Kingbird15%
45. 45Wood Duck15%
46. 46Black-and-white Warbler14%
47. 47Ovenbird14%
48. 48Ring-billed Gull14%
49. 49Great Blue Heron14%
50. 50Eastern Towhee14%
51. 51Eastern Phoebe14%
52. 52Eastern Wood-Pewee13%
53. 53Least Flycatcher13%
54. 54Swamp Sparrow13%
55. 55Chestnut-sided Warbler13%
56. 56Ruby-throated Hummingbird13%
57. 57White-crowned Sparrow12%
58. 58Wild Turkey12%
59. 59Eastern Bluebird11%
60. 60Black-throated Green Warbler11%

• Red-eyed Vireofirst arrivals early May, peaks early June
• Eastern Wood-Peweefirst arrivals the second week of May, peaks early June
• Indigo Buntingfirst arrivals early May, peaks early July
• Ruby-throated Hummingbirdfirst arrivals early May, peaks late August
• Chestnut-sided Warblerfirst arrivals early May, peaks mid May
• Scarlet Tanagerfirst arrivals early May, peaks late May
• Willow Flycatcherfirst arrivals the second week of May, peaks early June
• Blackburnian Warblerfirst arrivals early May, peaks mid May
• Dickcisselfirst arrivals late May, peaks late June
• Bobolinkfirst arrivals early May, peaks the second week of June
• Wilson's Warblerfirst arrivals early May, peaks mid May
• Alder Flycatcherfirst arrivals mid May, peaks early June

• Canada Goosemost gone by late May
• Mallardmost gone by mid May
• Ruby-crowned Kingletmost gone by late May
• Palm Warblermost gone by late May
• Buffleheadmost gone by early May
• Ring-necked Duckmost gone by the second week of May
• Northern Shovelermost gone by mid May
• Lesser Scaupmost gone by the second week of May
• Brown Creepermost gone by early May
• Red-breasted Mergansermost gone by the second week of May
• Green-winged Tealmost gone by the second week of May
• Gadwallmost gone by the second week of May