Birds in Connecticut in August

Percent of complete checklists in Connecticut that reported the bird during these weeks, 2016–2025 (38,342 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1American Goldfinch60%
2. 2Gray Catbird50%
3. 3Mourning Dove50%
4. 4Blue Jay47%
5. 5Northern Cardinal43%
6. 6Black-capped Chickadee38%
7. 7Song Sparrow36%
8. 8American Robin35%
9. 9Carolina Wren34%
10. 10Tufted Titmouse32%
11. 11Downy Woodpecker32%
12. 12American Crow30%
13. 13White-breasted Nuthatch30%
14. 14Osprey29%
15. 15House Sparrow27%
16. 16Barn Swallow27%
17. 17House Finch25%
18. 18Double-crested Cormorant25%
19. 19Red-bellied Woodpecker24%
20. 20Ruby-throated Hummingbird24%
21. 21European Starling24%
22. 22American Herring Gull23%
23. 23Great Egret22%
24. 24Great Blue Heron21%
25. 25Common Grackle20%
26. 26Canada Goose18%
27. 27Tree Swallow18%
28. 28Eastern Wood-Pewee18%
29. 29Mallard17%
30. 30Chipping Sparrow17%
31. 31Northern Flicker17%
32. 32Ring-billed Gull16%
33. 33Cedar Waxwing16%
34. 34Snowy Egret16%
35. 35Chimney Swift15%
36. 36Northern Mockingbird14%
37. 37Eastern Phoebe14%
38. 38Semipalmated Sandpiper14%
39. 39Red-winged Blackbird14%
40. 40Laughing Gull14%
41. 41Red-eyed Vireo13%
42. 42Semipalmated Plover13%
43. 43Northern House Wren13%
44. 44Great Black-backed Gull12%
45. 45Least Sandpiper12%
46. 46Common Yellowthroat12%
47. 47Hairy Woodpecker11%
48. 48Killdeer11%
49. 49Fish Crow11%
50. 50Common Tern10%

• Belted Kingfisherfirst arrivals the second week of August, peaks late September
• Northern Harrierfirst arrivals mid August, peaks late September
• Brown Creeperfirst arrivals late August, peaks mid October
• Merlinfirst arrivals late August, peaks mid September
• Common Nighthawkfirst arrivals the second week of August, peaks early September
• Black Vulturefirst arrivals mid August, peaks early May

• American Robinmost gone by early August
• Fish Crowmost gone by mid August
• Eastern Kingbirdmost gone by mid August
• Willow Flycatchermost gone by early August
• Purple Martinmost gone by mid August
• Willetmost gone by mid August
• Least Ternmost gone by mid August
• Hermit Thrushmost gone by early August
• Piping Plovermost gone by late August
• Glossy Ibismost gone by mid August

51. 51Eastern Bluebird9.8%
52. 52Red-tailed Hawk9.7%
53. 53Eastern Kingbird9.4%
54. 54Belted Kingfisher9.3%
55. 55American Redstart9.1%
56. 56Wood Duck9.0%
57. 57Greater Yellowlegs8.8%
58. 58Turkey Vulture8.6%
59. 59Rock Pigeon8.6%
60. 60Spotted Sandpiper8.4%