Summer Birds in Delaware

Percent of complete checklists in Delaware that reported the bird during these weeks, 2016–2025 (41,327 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1Northern Cardinal53%
2. 2Mourning Dove52%
3. 3Carolina Wren46%
4. 4American Goldfinch44%
5. 5Red-winged Blackbird44%
6. 6American Robin44%
7. 7Laughing Gull42%
8. 8Osprey39%
9. 9Barn Swallow37%
10. 10Gray Catbird36%
11. 11Great Blue Heron34%
12. 12Turkey Vulture33%
13. 13European Starling30%
14. 14Carolina Chickadee30%
15. 15Common Grackle28%
16. 16House Finch28%
17. 17Northern Mockingbird27%
18. 18Blue Jay27%
19. 19Purple Martin27%
20. 20Tree Swallow26%
21. 21Common Yellowthroat26%
22. 22Snowy Egret26%
23. 23Great Egret25%
24. 24Tufted Titmouse25%
25. 25American Crow25%
26. 26Song Sparrow24%
27. 27Canada Goose24%
28. 28Forster's Tern23%
29. 29Eastern Kingbird22%
30. 30Red-bellied Woodpecker21%
31. 31Chipping Sparrow21%
32. 32Indigo Bunting21%
33. 33Downy Woodpecker21%
34. 34Eastern Wood-Pewee20%
35. 35Blue Grosbeak20%
36. 36House Sparrow19%
37. 37Fish Crow19%
38. 38Northern House Wren19%
39. 39Double-crested Cormorant18%
40. 40Ruby-throated Hummingbird18%
41. 41Mallard17%
42. 42American Herring Gull17%
43. 43Red-eyed Vireo16%
44. 44Bald Eagle15%
45. 45Brown-headed Cowbird15%
46. 46Semipalmated Sandpiper15%
47. 47Eastern Towhee14%
48. 48Green Heron14%
49. 49Eastern Bluebird14%
50. 50Great Crested Flycatcher14%
51. 51Marsh Wren13%
52. 52Field Sparrow13%
53. 53Northern Flicker13%
54. 54Greater Yellowlegs12%
55. 55Chimney Swift12%
56. 56Lesser Yellowlegs12%
57. 57Killdeer11%
58. 58Semipalmated Plover11%
59. 59Short-billed Dowitcher11%
60. 60Great Black-backed Gull11%

• American Redstartfirst arrivals early August, peaks the second week of September
• Double-crested Cormorantfirst arrivals mid July, peaks mid October
• White-breasted Nuthatchfirst arrivals late August, peaks the second week of September
• Black-and-white Warblerfirst arrivals the second week of August, peaks the second week of September
• Northern Harrierfirst arrivals mid August, peaks mid November
• Least Sandpiperfirst arrivals late June, peaks late July
• Green-winged Tealfirst arrivals the second week of August, peaks mid March
• Belted Kingfisherfirst arrivals the second week of July, peaks early October
• Pileated Woodpeckerfirst arrivals late August, peaks the second week of September
• Magnolia Warblerfirst arrivals mid August, peaks mid September
• Hairy Woodpeckerfirst arrivals late August, peaks late September
• Northern Shovelerfirst arrivals the second week of August, peaks the second week of March

• Red-winged Blackbirdmost gone by late July
• Common Gracklemost gone by mid July
• Barn Swallowmost gone by late August
• Purple Martinmost gone by mid August
• Brown-headed Cowbirdmost gone by early July
• Eastern Towheemost gone by early June
• Fish Crowmost gone by early August
• Indigo Buntingmost gone by mid August
• Eastern Kingbirdmost gone by late August
• Ovenbirdmost gone by early July
• Northern Yellow Warblermost gone by mid June
• Marsh Wrenmost gone by the second week of August