Birds in Connecticut in September

Percent of complete checklists in Connecticut that reported the bird during these weeks, 2016–2025 (42,271 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1Blue Jay67%
2. 2Gray Catbird52%
3. 3Black-capped Chickadee46%
4. 4American Goldfinch43%
5. 5Northern Cardinal41%
6. 6Mourning Dove41%
7. 7Tufted Titmouse39%
8. 8Red-bellied Woodpecker38%
9. 9Downy Woodpecker38%
10. 10Carolina Wren38%
11. 11White-breasted Nuthatch38%
12. 12American Crow36%
13. 13Song Sparrow33%
14. 14Northern Flicker29%
15. 15Eastern Phoebe29%
16. 16American Robin29%
17. 17Common Yellowthroat24%
18. 18Double-crested Cormorant24%
19. 19House Finch23%
20. 20European Starling22%
21. 21Great Blue Heron21%
22. 22Osprey21%
23. 23House Sparrow21%
24. 24American Herring Gull21%
25. 25Canada Goose20%
26. 26Great Egret19%
27. 27Mallard18%
28. 28Ruby-throated Hummingbird18%
29. 29American Redstart18%
30. 30Ring-billed Gull15%
31. 31Northern House Wren15%
32. 32Red-eyed Vireo14%
33. 33Hairy Woodpecker14%
34. 34Cedar Waxwing14%
35. 35Turkey Vulture13%
36. 36Northern Mockingbird13%
37. 37Belted Kingfisher13%
38. 38Red-shouldered Hawk13%
39. 39Chipping Sparrow13%
40. 40Eastern Wood-Pewee12%
41. 41Red-tailed Hawk12%
42. 42Snowy Egret12%
43. 43Eastern Bluebird11%
44. 44Black-and-white Warbler11%
45. 45Common Grackle11%
46. 46Laughing Gull11%

• White-throated Sparrowfirst arrivals mid September, peaks late October
• Dark-eyed Juncofirst arrivals late September, peaks the second week of December
• Yellow-rumped Warblerfirst arrivals early September, peaks the second week of October
• Northern Flickerfirst arrivals early September, peaks late September
• Ruby-crowned Kingletfirst arrivals the second week of September, peaks mid October
• Savannah Sparrowfirst arrivals early September, peaks the second week of October
• Palm Warblerfirst arrivals early September, peaks the second week of October
• Turkey Vulturefirst arrivals the second week of September, peaks the second week of October
• Golden-crowned Kingletfirst arrivals mid September, peaks mid October
• Red-shouldered Hawkfirst arrivals early September, peaks late September
• Common Ravenfirst arrivals early September, peaks the second week of October
• Yellow-bellied Sapsuckerfirst arrivals early September, peaks the second week of October

• American Goldfinchmost gone by mid September
• Red-eyed Vireomost gone by late September
• Tree Swallowmost gone by early September
• Barn Swallowmost gone by early September
• Northern House Wrenmost gone by late September
• Ruby-throated Hummingbirdmost gone by late September
• Eastern Wood-Peweemost gone by mid September
• Chimney Swiftmost gone by early September
• Rose-breasted Grosbeakmost gone by mid September
• Blue-gray Gnatcatchermost gone by the second week of September
• Scarlet Tanagermost gone by mid September
• Semipalmated Sandpipermost gone by late September

47. 47Tree Swallow9.9%
48. 48Wood Duck9.9%
49. 49Northern Parula9.4%
50. 50Rock Pigeon9.1%
51. 51Palm Warbler9.1%
52. 52Common Raven8.7%
53. 53Great Black-backed Gull8.7%
54. 54Cooper's Hawk8.2%
55. 55Pileated Woodpecker8.2%
56. 56Savannah Sparrow8.2%
57. 57Killdeer8.0%
58. 58Eastern Towhee7.4%
59. 59Greater Yellowlegs7.4%
60. 60Yellow-rumped Warbler7.0%