Birds in California in May

Percent of complete checklists in California that reported the bird during these weeks, 2016–2025 (359,440 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1House Finch58%
2. 2Mourning Dove46%
3. 3Anna's Hummingbird43%
4. 4American Crow42%
5. 5Lesser Goldfinch38%
6. 6California Towhee38%
7. 7Song Sparrow37%
8. 8Black Phoebe34%
9. 9California Scrub-Jay34%
10. 10Common Raven33%
11. 11Spotted Towhee31%
12. 12Mallard30%
13. 13Bushtit29%
14. 14Turkey Vulture29%
15. 15European Starling28%
16. 16Northern Mockingbird25%
17. 17Bewick's Wren25%
18. 18Dark-eyed Junco24%
19. 19American Robin24%
20. 20Red-tailed Hawk23%
21. 21Black-headed Grosbeak22%
22. 22Acorn Woodpecker21%
23. 23Red-winged Blackbird21%
24. 24Nuttall's Woodpecker21%
25. 25Wilson's Warbler19%
26. 26Canada Goose19%
27. 27Western Bluebird19%
28. 28House Sparrow19%
29. 29Barn Swallow19%
30. 30Eurasian Collared-Dove19%
31. 31Cliff Swallow18%
32. 32Oak Titmouse18%
33. 33California Quail18%
34. 34Western Flycatcher18%
35. 35Tree Swallow17%
36. 36Brown-headed Cowbird17%
37. 37Orange-crowned Warbler17%
38. 38Allen's Hummingbird16%
39. 39Northern House Wren16%
40. 40Northern Yellow Warbler16%
41. 41Hooded Oriole16%
42. 42Ash-throated Flycatcher15%
43. 43Western Tanager15%
44. 44Double-crested Cormorant14%
45. 45Chestnut-backed Chickadee14%
46. 46Wrentit14%
47. 47Violet-green Swallow14%
48. 48Western Warbling Vireo14%
49. 49Steller's Jay14%
50. 50Western Gull13%
51. 51Common Yellowthroat13%
52. 52Killdeer13%
53. 53Red-shouldered Hawk13%
54. 54Northern Rough-winged Swallow12%
55. 55Brewer's Blackbird12%
56. 56Great Blue Heron12%
57. 57Rock Pigeon12%
58. 58Great Egret11%
59. 59Bullock's Oriole11%
60. 60Western Kingbird11%

• Heermann's Gullfirst arrivals late May, peaks the second week of August
• Hairy Woodpeckerfirst arrivals early May, peaks late June
• Brown Creeperfirst arrivals late May, peaks late June
• Peregrine Falconfirst arrivals late May, peaks the second week of November
• Green-tailed Towheefirst arrivals the second week of May, peaks mid June
• Red-breasted Sapsuckerfirst arrivals mid May, peaks late June

• Townsend's Warblermost gone by the second week of May
• Western Sandpipermost gone by the second week of May
• Cedar Waxwingmost gone by late May
• Eared Grebemost gone by early May
• Spotted Sandpipermost gone by mid May
• Hudsonian Whimbrelmost gone by the second week of May
• Pine Siskinmost gone by early May
• Rufous Hummingbirdmost gone by early May
• Common Mergansermost gone by late May
• Long-billed Dowitchermost gone by the second week of May
• Common Loonmost gone by late May
• Sanderlingmost gone by early May