Birds in Delaware in July

Percent of complete checklists in Delaware that reported the bird during these weeks, 2016–2025 (12,966 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1Northern Cardinal54%
2. 2Mourning Dove52%
3. 3Red-winged Blackbird51%
4. 4American Robin46%
5. 5Laughing Gull46%
6. 6American Goldfinch44%
7. 7Carolina Wren44%
8. 8Osprey42%
9. 9Barn Swallow41%
10. 10Great Blue Heron36%
11. 11Gray Catbird36%
12. 12Purple Martin33%
13. 13Common Yellowthroat33%
14. 14European Starling31%
15. 15Northern Mockingbird30%
16. 16Common Grackle30%
17. 17Turkey Vulture30%
18. 18House Finch29%
19. 19Carolina Chickadee27%
20. 20Snowy Egret27%
21. 21Great Egret27%
22. 22Song Sparrow26%
23. 23Forster's Tern26%
24. 24Tree Swallow25%
25. 25Blue Jay25%
26. 26Canada Goose24%
27. 27Tufted Titmouse24%
28. 28Eastern Kingbird23%
29. 29Indigo Bunting23%
30. 30American Crow23%
31. 31Northern House Wren22%
32. 32Chipping Sparrow22%
33. 33Fish Crow22%
34. 34Blue Grosbeak21%
35. 35House Sparrow20%
36. 36Downy Woodpecker20%
37. 37Red-bellied Woodpecker19%
38. 38Marsh Wren19%
39. 39American Herring Gull18%
40. 40Double-crested Cormorant17%
41. 41Eastern Wood-Pewee16%
42. 42Eastern Towhee16%
43. 43Mallard16%
44. 44Green Heron16%
45. 45Ruby-throated Hummingbird16%
46. 46Lesser Yellowlegs15%
47. 47Short-billed Dowitcher15%
48. 48Bald Eagle14%
49. 49Brown-headed Cowbird14%
50. 50Red-eyed Vireo14%
51. 51Greater Yellowlegs14%
52. 52Field Sparrow14%
53. 53Killdeer14%
54. 54Eastern Bluebird13%
55. 55Semipalmated Sandpiper13%
56. 56Least Sandpiper13%
57. 57Glossy Ibis13%
58. 58Northern Flicker12%
59. 59Great Crested Flycatcher12%
60. 60Chimney Swift12%

• Double-crested Cormorantfirst arrivals mid July, peaks mid October
• Belted Kingfisherfirst arrivals the second week of July, peaks early October
• Sanderlingfirst arrivals the second week of July, peaks early August
• Bobolinkfirst arrivals the second week of July, peaks early September
• Peregrine Falconfirst arrivals late July, peaks early October
• Tricolored Heronfirst arrivals early July, peaks the second week of August
• Stilt Sandpiperfirst arrivals early July, peaks early August
• Western Sandpiperfirst arrivals early July, peaks late July
• Pectoral Sandpiperfirst arrivals the second week of July, peaks mid August

• Red-winged Blackbirdmost gone by late July
• Common Gracklemost gone by mid July
• Brown-headed Cowbirdmost gone by early July
• Ovenbirdmost gone by early July
• Wood Thrushmost gone by late July
• Orchard Oriolemost gone by the second week of July
• Black Skimmermost gone by late July
• Yellow-breasted Chatmost gone by the second week of July
• Prairie Warblermost gone by the second week of July
• Eastern Warbling Vireomost gone by early July
• Willow Flycatchermost gone by mid July
• Prothonotary Warblermost gone by early July