Birds in Delaware in May

Percent of complete checklists in Delaware that reported the bird during these weeks, 2016–2025 (27,938 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1Red-winged Blackbird60%
2. 2Northern Cardinal59%
3. 3American Robin55%
4. 4Carolina Wren48%
5. 5Mourning Dove48%
6. 6Gray Catbird48%
7. 7Common Grackle41%
8. 8Common Yellowthroat41%
9. 9Turkey Vulture39%
10. 10American Goldfinch37%
11. 11Tree Swallow36%
12. 12Laughing Gull36%
13. 13Barn Swallow35%
14. 14Blue Jay35%
15. 15Carolina Chickadee35%
16. 16Canada Goose35%
17. 17Red-bellied Woodpecker35%
18. 18Tufted Titmouse34%
19. 19European Starling34%
20. 20Osprey33%
21. 21Great Blue Heron32%
22. 22Great Crested Flycatcher31%
23. 23Chipping Sparrow30%
24. 24Song Sparrow30%
25. 25Brown-headed Cowbird29%
26. 26American Crow28%
27. 27Northern House Wren28%
28. 28Red-eyed Vireo27%
29. 29Northern Mockingbird26%
30. 30House Finch26%
31. 31Mallard23%
32. 32Eastern Towhee23%
33. 33Indigo Bunting23%
34. 34Downy Woodpecker21%
35. 35Blue-gray Gnatcatcher21%
36. 36Eastern Kingbird20%
37. 37Eastern Wood-Pewee20%
38. 38Bald Eagle19%
39. 39Ovenbird19%
40. 40Fish Crow19%
41. 41House Sparrow19%
42. 42Northern Yellow Warbler19%
43. 43Purple Martin19%
44. 44Double-crested Cormorant18%
45. 45Wood Thrush18%
46. 46Eastern Bluebird17%
47. 47Snowy Egret17%
48. 48Dunlin16%
49. 49Willet16%
50. 50Northern Flicker16%
51. 51American Redstart16%
52. 52Semipalmated Sandpiper15%
53. 53Blue Grosbeak15%
54. 54Great Egret15%
55. 55Northern Parula15%
56. 56Forster's Tern15%
57. 57Chimney Swift15%
58. 58Orchard Oriole14%
59. 59Cedar Waxwing14%
60. 60Short-billed Dowitcher14%

• Least Ternfirst arrivals early May, peaks late July
• Brown Pelicanfirst arrivals the second week of May, peaks mid July
• Red Knotfirst arrivals early May, peaks late May
• Common Ternfirst arrivals the second week of May, peaks late July
• Willow Flycatcherfirst arrivals the second week of May, peaks early June
• Lesser Black-backed Gullfirst arrivals mid May, peaks mid November

• White-throated Sparrowmost gone by early May
• Song Sparrowmost gone by the second week of May
• Yellow-rumped Warblermost gone by the second week of May
• Ruby-crowned Kingletmost gone by early May
• Swamp Sparrowmost gone by early May
• Greater Yellowlegsmost gone by the second week of May
• Green-winged Tealmost gone by early May
• Red-tailed Hawkmost gone by early May
• Savannah Sparrowmost gone by early May
• Black-throated Blue Warblermost gone by mid May
• American Kestrelmost gone by early May
• Bonaparte's Gullmost gone by early May