Birds in Connecticut in April

Percent of complete checklists in Connecticut that reported the bird during these weeks, 2016–2025 (64,105 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1American Robin69%
2. 2Northern Cardinal61%
3. 3Red-winged Blackbird54%
4. 4Song Sparrow54%
5. 5Tufted Titmouse51%
6. 6Blue Jay50%
7. 7Black-capped Chickadee48%
8. 8Mourning Dove47%
9. 9American Goldfinch45%
10. 10Red-bellied Woodpecker41%
11. 11Common Grackle41%
12. 12Downy Woodpecker40%
13. 13White-throated Sparrow39%
14. 14Canada Goose37%
15. 15American Crow35%
16. 16White-breasted Nuthatch31%
17. 17Carolina Wren31%
18. 18Mallard30%
19. 19Northern Flicker29%
20. 20House Finch29%
21. 21House Sparrow29%
22. 22European Starling27%
23. 23Brown-headed Cowbird26%
24. 24Chipping Sparrow26%
25. 25Eastern Phoebe26%
26. 26Osprey24%
27. 27Tree Swallow24%
28. 28Dark-eyed Junco19%
29. 29Turkey Vulture17%
30. 30Double-crested Cormorant16%
31. 31Fish Crow16%
32. 32American Herring Gull16%
33. 33Northern Mockingbird15%
34. 34Red-tailed Hawk15%
35. 35Eastern Bluebird15%
36. 36Yellow-rumped Warbler14%
37. 37Wood Duck14%
38. 38Hairy Woodpecker13%
39. 39Great Blue Heron13%
40. 40Ruby-crowned Kinglet13%
41. 41Great Egret12%
42. 42Pine Warbler12%

• Gray Catbirdfirst arrivals mid April, peaks mid May
• American Goldfinchfirst arrivals mid April, peaks the second week of August
• Northern Yellow Warblerfirst arrivals mid April, peaks mid May
• Baltimore Oriolefirst arrivals late April, peaks mid May
• Chipping Sparrowfirst arrivals early April, peaks early May
• Common Yellowthroatfirst arrivals late April, peaks mid May
• Red-eyed Vireofirst arrivals late April, peaks late May
• Barn Swallowfirst arrivals the second week of April, peaks late July
• Northern House Wrenfirst arrivals mid April, peaks the second week of May
• American Redstartfirst arrivals late April, peaks mid May
• Cedar Waxwingfirst arrivals mid April, peaks the second week of June
• Eastern Warbling Vireofirst arrivals mid April, peaks mid May

• Dark-eyed Juncomost gone by the second week of April
• American Black Duckmost gone by the second week of April
• Golden-crowned Kingletmost gone by mid April
• Red-breasted Mergansermost gone by the second week of April
• Buffleheadmost gone by the second week of April
• Cooper's Hawkmost gone by late April
• Common Loonmost gone by mid April
• Common Mergansermost gone by mid April
• Ring-necked Duckmost gone by mid April
• Long-tailed Duckmost gone by early April
• Green-winged Tealmost gone by late April
• American Wigeonmost gone by early April

43. 43Eastern Towhee9.7%
44. 44Palm Warbler9.6%
45. 45Red-shouldered Hawk9.5%
46. 46Ring-billed Gull9.3%
47. 47Killdeer8.8%
48. 48American Black Duck8.7%
49. 49Blue-gray Gnatcatcher8.7%
50. 50Pileated Woodpecker8.5%
51. 51Northern Rough-winged Swallow8.4%
52. 52Belted Kingfisher7.9%
53. 53Mute Swan7.8%
54. 54Yellow-bellied Sapsucker7.4%
55. 55Common Raven7.4%
56. 56Brant7.2%
57. 57Barn Swallow6.7%
58. 58Greater Yellowlegs6.5%
59. 59Red-breasted Merganser6.5%
60. 60Swamp Sparrow6.2%