Birds in Connecticut in October

Percent of complete checklists in Connecticut that reported the bird during these weeks, 2016–2025 (45,848 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1Blue Jay71%
2. 2Black-capped Chickadee51%
3. 3Song Sparrow48%
4. 4White-throated Sparrow46%
5. 5Tufted Titmouse45%
6. 6Red-bellied Woodpecker45%
7. 7Northern Cardinal42%
8. 8American Crow42%
9. 9Downy Woodpecker41%
10. 10White-breasted Nuthatch40%
11. 11Yellow-rumped Warbler38%
12. 12American Robin38%
13. 13Carolina Wren36%
14. 14Mourning Dove35%
15. 15House Finch31%
16. 16American Goldfinch30%
17. 17Canada Goose29%
18. 18Northern Flicker26%
19. 19House Sparrow26%
20. 20Eastern Phoebe25%
21. 21Ruby-crowned Kinglet24%
22. 22European Starling24%
23. 23Dark-eyed Junco22%
24. 24Swamp Sparrow22%
25. 25Gray Catbird22%
26. 26Mallard21%
27. 27Double-crested Cormorant21%
28. 28Northern Mockingbird20%
29. 29American Herring Gull19%
30. 30Savannah Sparrow18%
31. 31Ring-billed Gull17%
32. 32Great Blue Heron16%
33. 33Eastern Bluebird16%
34. 34Turkey Vulture16%
35. 35Palm Warbler16%
36. 36Red-tailed Hawk16%
37. 37Chipping Sparrow15%
38. 38Hairy Woodpecker14%
39. 39Golden-crowned Kinglet14%
40. 40Great Egret12%
41. 41Red-winged Blackbird12%
42. 42Common Grackle12%
43. 43Red-shouldered Hawk12%
44. 44Cooper's Hawk12%
45. 45Belted Kingfisher11%
46. 46Eastern Towhee11%
47. 47Common Yellowthroat10%
48. 48Cedar Waxwing10%
49. 49Common Raven10%

• American Black Duckfirst arrivals late October, peaks the second week of March
• Hooded Merganserfirst arrivals mid October, peaks the second week of January
• Red-breasted Merganserfirst arrivals late October, peaks late January
• Buffleheadfirst arrivals mid October, peaks early January
• Common Loonfirst arrivals mid October, peaks late January
• Brantfirst arrivals the second week of October, peaks late March
• Common Merganserfirst arrivals mid October, peaks the second week of March
• Ring-necked Duckfirst arrivals mid October, peaks mid March
• American Wigeonfirst arrivals the second week of October, peaks the second week of March
• Gadwallfirst arrivals mid October, peaks the second week of January
• Red-throated Loonfirst arrivals mid October, peaks early December
• Horned Larkfirst arrivals late October, peaks late November

• Gray Catbirdmost gone by the second week of October
• Chipping Sparrowmost gone by mid October
• Common Yellowthroatmost gone by the second week of October
• Eastern Phoebemost gone by late October
• Northern Flickermost gone by mid October
• American Redstartmost gone by early October
• Ospreymost gone by early October
• Black-and-white Warblermost gone by early October
• Great Egretmost gone by late October
• Eastern Towheemost gone by late October
• Snowy Egretmost gone by the second week of October
• Red-shouldered Hawkmost gone by late October

50. 50American Black Duck9.9%
51. 51Rock Pigeon9.3%
52. 52Wood Duck8.3%
53. 53Purple Finch8.2%
54. 54Yellow-bellied Sapsucker8.1%
55. 55Laughing Gull7.6%
56. 56Field Sparrow7.3%
57. 57Great Black-backed Gull7.0%
58. 58Osprey6.9%
59. 59White-crowned Sparrow6.7%
60. 60Killdeer6.5%