Birds in Connecticut in March

Percent of complete checklists in Connecticut that reported the bird during these weeks, 2016–2025 (53,222 checklists). It shows how likely you are to list the bird, not how many there are. Methods.

1. 1Song Sparrow48%
2. 2Northern Cardinal48%
3. 3American Robin45%
4. 4Black-capped Chickadee42%
5. 5Mourning Dove42%
6. 6Tufted Titmouse41%
7. 7Red-winged Blackbird40%
8. 8Blue Jay38%
9. 9American Crow38%
10. 10Canada Goose38%
11. 11Dark-eyed Junco36%
12. 12Downy Woodpecker33%
13. 13Mallard31%
14. 14Red-bellied Woodpecker31%
15. 15Common Grackle31%
16. 16White-breasted Nuthatch30%
17. 17White-throated Sparrow29%
18. 18European Starling27%
19. 19House Sparrow27%
20. 20House Finch26%
21. 21Carolina Wren24%
22. 22American Goldfinch22%
23. 23American Herring Gull22%
24. 24Ring-billed Gull20%
25. 25American Black Duck19%
26. 26Red-tailed Hawk14%
27. 27Eastern Bluebird13%
28. 28Turkey Vulture12%
29. 29Fish Crow12%
30. 30Hooded Merganser12%
31. 31Red-breasted Merganser12%
32. 32Hairy Woodpecker11%
33. 33Northern Mockingbird11%
34. 34Bufflehead11%
35. 35Northern Flicker10%
36. 36Brant10%
37. 37Wood Duck10%
38. 38Brown-headed Cowbird10%
39. 39Killdeer10%

• American Robinfirst arrivals mid March, peaks early May
• Red-winged Blackbirdfirst arrivals early March, peaks late April
• Common Gracklefirst arrivals early March, peaks late May
• Eastern Phoebefirst arrivals the second week of March, peaks late September
• Tree Swallowfirst arrivals mid March, peaks late May
• Ospreyfirst arrivals mid March, peaks mid August
• Double-crested Cormorantfirst arrivals mid March, peaks late August
• Swamp Sparrowfirst arrivals mid March, peaks the second week of October
• Great Egretfirst arrivals mid March, peaks mid August
• Eastern Towheefirst arrivals early March, peaks early May
• Fish Crowfirst arrivals the second week of March, peaks the second week of April
• Snowy Egretfirst arrivals late March, peaks early August

• Hooded Mergansermost gone by late March
• Common Goldeneyemost gone by mid March
• Purple Finchmost gone by early March
• American Tree Sparrowmost gone by mid March
• Northern Harriermost gone by late March
• Greater Scaupmost gone by late March
• Horned Larkmost gone by the second week of March
• Common Eidermost gone by the second week of March
• American Woodcockmost gone by late March

40. 40Common Merganser9.8%
41. 41Mute Swan9.7%
42. 42Red-shouldered Hawk9.1%
43. 43Ring-necked Duck9.0%
44. 44Great Black-backed Gull9.0%
45. 45Common Loon8.7%
46. 46Great Blue Heron8.4%
47. 47Eastern Phoebe8.0%
48. 48Rock Pigeon7.5%
49. 49Common Goldeneye6.6%
50. 50Green-winged Teal6.4%
51. 51Bald Eagle6.2%
52. 52Common Raven6.1%
53. 53Gadwall5.7%
54. 54American Wigeon5.7%
55. 55Belted Kingfisher5.5%
56. 56Long-tailed Duck5.4%
57. 57Pileated Woodpecker5.2%
58. 58Osprey5.1%
59. 59Tree Swallow4.7%
60. 60Golden-crowned Kinglet3.8%