Also present
Totals Erie Bird Observatory - Morning Flight (PA) 2021
| Species | Mar | Apr | May | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 2774 | 170 | 43 | 2987 | 2947 | 40 | 817 ( 8 Mar) | 82 | 31 | 3 Mar | 19 May | ||||
| 2. | Tundra Swan | 318 | 0 | 0 | 318 | 318 | 0 | 153 ( 8 Mar) | 16 | 6 | 3 Mar | 20 Mar | ||||
| 3. | Wood Duck | 22 | 40 | 22 | 84 | 70 | 14 | 11 ( 3 May) | 55 | 21 | 12 Mar | 14 May | ||||
| 4. | Blue-winged Teal | 0 | 2 | 0 | 2 | 0 | 2 | 2 ( 7 Apr) | 3 | 1 | 7 Apr | 7 Apr | ||||
| 5. | Gadwall | 2 | 0 | 0 | 2 | 2 | 0 | 2 ( 8 Mar) | 3 | 1 | 8 Mar | 8 Mar | ||||
| 6. | Black Duck | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 7 Apr) | 3 | 1 | 7 Apr | 7 Apr | ||||
| 7. | Pintail | 9 | 0 | 0 | 9 | 9 | 0 | 9 ( 8 Mar) | 3 | 1 | 8 Mar | 8 Mar | ||||
| 8. | Bufflehead | 18 | 0 | 0 | 18 | 0 | 18 | 18 (30 Mar) | 3 | 1 | 30 Mar | 30 Mar | ||||
| 9. | Red-breasted Merganser | 2635 | 2 | 115 | 2752 | 2 | 2750 | 2160 (30 Mar) | 16 | 6 | 3 Mar | 9 May | ||||
| 10. | Chimney Swift | 0 | 40 | 74 | 114 | 73 | 41 | 26 (28 Apr) | 32 | 12 | 27 Apr | 19 May | ||||
| 11. | Ruby-throated Hummingbird | 0 | 0 | 31 | 31 | 27 | 4 | 17 (15 May) | 18 | 7 | 2 May | 19 May | ||||
| 12. | Feral Pigeon | 0 | 13 | 0 | 13 | 13 | 0 | 13 ( 6 Apr) | 3 | 1 | 6 Apr | 6 Apr | ||||
| 13. | Collared Dove | 0 | 0 | 1 | 1 | 1 | 0 | 1 (14 May) | 3 | 1 | 14 May | 14 May | ||||
| 14. | Mourning Dove | 164 | 262 | 82 | 508 | 486 | 22 | 75 ( 6 Apr) | 87 | 33 | 3 Mar | 19 May | ||||
| 15. | Sandhill Crane | 2 | 2 | 1 | 5 | 4 | 1 | 2 ( 9 Mar) | 11 | 4 | 9 Mar | 13 May | ||||
| 16. | Killdeer | 269 | 13 | 0 | 282 | 275 | 7 | 75 ( 9 Mar) | 42 | 16 | 3 Mar | 8 Apr | ||||
| 17. | American Woodcock | 1 | 0 | 0 | 1 | 0 | 1 | 1 (27 Mar) | 3 | 1 | 27 Mar | 27 Mar | ||||
| 18. | Solitary Sandpiper | 0 | 1 | 3 | 4 | 1 | 3 | 2 ( 2 May) | 8 | 3 | 27 Apr | 4 May | ||||
| 19. | Lesser Yellowlegs | 0 | 3 | 3 | 6 | 0 | 6 | 2 (28 Apr) | 11 | 4 | 19 Apr | 14 May | ||||
| 20. | Greater Yellowlegs | 1 | 0 | 120 | 121 | 1 | 120 | 62 ( 2 May) | 8 | 3 | 22 Mar | 3 May | ||||
| 21. | Greater/Lesser Yellowlegs | 0 | 0 | 27 | 27 | 9 | 18 | 18 ( 4 May) | 5 | 2 | 4 May | 13 May | ||||
| 22. | Bonaparte's Gull | 143 | 41 | 4 | 188 | 38 | 150 | 106 (30 Mar) | 21 | 8 | 12 Mar | 2 May | ||||
| 23. | Ring-billed Gull | 2258 | 190 | 0 | 2448 | 350 | 2098 | 2078 (12 Mar) | 13 | 5 | 3 Mar | 6 Apr | ||||
| 24. | Great Black-backed Gull | 13 | 0 | 0 | 13 | 0 | 13 | 11 (12 Mar) | 5 | 2 | 12 Mar | 30 Mar | ||||
| 25. | Iceland Gull | 2 | 0 | 0 | 2 | 0 | 2 | 2 (12 Mar) | 3 | 1 | 12 Mar | 12 Mar | ||||
| 26. | Herring Gull | 2175 | 70 | 0 | 2245 | 70 | 2175 | 2175 (12 Mar) | 8 | 3 | 12 Mar | 7 Apr | ||||
| 27. | Lesser Black-backed Gull | 2 | 0 | 0 | 2 | 0 | 2 | 2 (12 Mar) | 3 | 1 | 12 Mar | 12 Mar | ||||
| 28. | Caspian Tern | 0 | 43 | 51 | 94 | 62 | 32 | 14 (24 Apr) | 42 | 16 | 8 Apr | 15 May | ||||
| 29. | Great Northern Diver | 2 | 31 | 4 | 37 | 36 | 1 | 21 ( 4 Apr) | 29 | 11 | 25 Mar | 13 May | ||||
| 30. | Double-crested Cormorant | 67 | 5707 | 1417 | 7191 | 6271 | 920 | 959 (24 Apr) | 71 | 27 | 20 Mar | 19 May | ||||
| Species | Mar | Apr | May | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Green Heron | 0 | 0 | 32 | 32 | 22 | 10 | 11 (17 May) | 21 | 8 | 2 May | 19 May | ||||
| 32. | Cattle Egret | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 3 May) | 3 | 1 | 3 May | 3 May | ||||
| 33. | Great Blue Heron | 25 | 65 | 42 | 132 | 124 | 8 | 18 ( 8 Apr) | 66 | 25 | 9 Mar | 19 May | ||||
| 34. | Great White Egret | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 4 May) | 3 | 1 | 4 May | 4 May | ||||
| 35. | Turkey Vulture | 4307 | 2026 | 251 | 6584 | 6584 | 0 | 1058 (24 Mar) | 55 | 21 | 8 Mar | 15 May | ||||
| 36. | Osprey | 1 | 17 | 4 | 22 | 22 | 0 | 4 ( 6 Apr) | 29 | 11 | 30 Mar | 14 May | ||||
| 37. | Sharp-shinned Hawk | 52 | 208 | 26 | 286 | 286 | 0 | 62 ( 8 Apr) | 50 | 19 | 12 Mar | 9 May | ||||
| 38. | Cooper's Hawk | 7 | 23 | 1 | 31 | 31 | 0 | 11 ( 9 Apr) | 29 | 11 | 9 Mar | 9 May | ||||
| 39. | Accipiter sp. | 1 | 1 | 0 | 2 | 2 | 0 | 1 ( 9 Mar) | 5 | 2 | 9 Mar | 8 Apr | ||||
| 40. | Northern Harrier | 11 | 22 | 2 | 35 | 35 | 0 | 9 ( 9 Apr) | 34 | 13 | 8 Mar | 9 May | ||||
| 41. | Bald Eagle | 20 | 5 | 4 | 29 | 29 | 0 | 8 (30 Mar) | 21 | 8 | 21 Mar | 2 May | ||||
| 42. | Red-shouldered Hawk | 86 | 3 | 0 | 89 | 89 | 0 | 60 (21 Mar) | 21 | 8 | 8 Mar | 8 Apr | ||||
| 43. | Broad-winged Hawk | 0 | 27 | 14 | 41 | 41 | 0 | 15 ( 9 Apr) | 16 | 6 | 9 Apr | 15 May | ||||
| 44. | Red-tailed Hawk | 87 | 42 | 3 | 132 | 132 | 0 | 42 (22 Mar) | 29 | 11 | 8 Mar | 2 May | ||||
| 45. | Rough-legged Buzzard | 1 | 0 | 0 | 1 | 1 | 0 | 1 (22 Mar) | 3 | 1 | 22 Mar | 22 Mar | ||||
| 46. | raptor sp. | 3 | 3 | 0 | 6 | 6 | 0 | 3 ( 6 Apr) | 11 | 4 | 21 Mar | 6 Apr | ||||
| 47. | Short-eared Owl | 1 | 1 | 0 | 2 | 1 | 1 | 1 (22 Mar) | 5 | 2 | 22 Mar | 9 Apr | ||||
| 48. | Belted Kingfisher | 3 | 23 | 5 | 31 | 30 | 1 | 7 ( 8 Apr) | 34 | 13 | 9 Mar | 4 May | ||||
| 49. | Red-headed Woodpecker | 0 | 4 | 31 | 35 | 25 | 10 | 8 (15 May) | 26 | 10 | 28 Apr | 19 May | ||||
| 50. | Red-bellied Woodpecker | 2 | 8 | 10 | 20 | 19 | 1 | 2 ( 4 Apr) | 39 | 15 | 20 Mar | 19 May | ||||
| 51. | Yellow-bellied Sapsucker | 2 | 5 | 0 | 7 | 6 | 1 | 4 ( 6 Apr) | 11 | 4 | 25 Mar | 8 Apr | ||||
| 52. | Downy Woodpecker | 1 | 3 | 0 | 4 | 3 | 1 | 1 ( 9 Mar) | 11 | 4 | 9 Mar | 24 Apr | ||||
| 53. | Northern Flicker | 76 | 782 | 8 | 866 | 819 | 47 | 212 ( 6 Apr) | 61 | 23 | 17 Mar | 13 May | ||||
| 54. | American Kestrel | 33 | 78 | 4 | 115 | 115 | 0 | 45 ( 9 Apr) | 37 | 14 | 9 Mar | 15 May | ||||
| 55. | Merlin | 4 | 4 | 0 | 8 | 8 | 0 | 2 ( 8 Apr) | 16 | 6 | 9 Mar | 9 Apr | ||||
| 56. | Peregrine | 3 | 0 | 0 | 3 | 3 | 0 | 1 ( 9 Mar) | 8 | 3 | 9 Mar | 22 Mar | ||||
| 57. | Eastern Phoebe | 2 | 2 | 0 | 4 | 4 | 0 | 2 (25 Mar) | 5 | 2 | 25 Mar | 4 Apr | ||||
| 58. | Eastern Wood Pewee | 0 | 0 | 1 | 1 | 1 | 0 | 1 (19 May) | 3 | 1 | 19 May | 19 May | ||||
| 59. | Eastern Kingbird | 0 | 0 | 98 | 98 | 83 | 15 | 40 (15 May) | 29 | 11 | 2 May | 19 May | ||||
| 60. | Great Crested Flycatcher | 0 | 0 | 3 | 3 | 3 | 0 | 1 (13 May) | 8 | 3 | 13 May | 17 May | ||||
| Species | Mar | Apr | May | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Blue Jay | 0 | 4276 | 33796 | 38072 | 38056 | 16 | 11285 ( 2 May) | 50 | 19 | 13 Apr | 19 May | ||||
| 62. | American Crow | 1129 | 261 | 28 | 1418 | 1379 | 39 | 179 (21 Mar) | 87 | 33 | 3 Mar | 19 May | ||||
| 63. | Raven | 1 | 0 | 0 | 1 | 0 | 1 | 1 (30 Mar) | 3 | 1 | 30 Mar | 30 Mar | ||||
| 64. | Cedar Waxwing | 14 | 47 | 456 | 517 | 309 | 208 | 185 (19 May) | 32 | 12 | 3 Mar | 19 May | ||||
| 65. | Black-capped Chickadee | 0 | 48 | 0 | 48 | 48 | 0 | 24 ( 6 Apr) | 5 | 2 | 6 Apr | 8 Apr | ||||
| 66. | Shore Lark | 31 | 32 | 0 | 63 | 57 | 6 | 28 ( 8 Apr) | 29 | 11 | 3 Mar | 24 Apr | ||||
| 67. | Sand Martin | 0 | 0 | 82 | 82 | 45 | 37 | 33 ( 2 May) | 16 | 6 | 2 May | 19 May | ||||
| 68. | Tree Swallow | 20 | 184 | 68 | 272 | 200 | 72 | 50 ( 8 Apr) | 50 | 19 | 21 Mar | 19 May | ||||
| 69. | Northern Rough-winged Swallow | 0 | 15 | 29 | 44 | 35 | 9 | 12 (15 May) | 26 | 10 | 18 Apr | 15 May | ||||
| 70. | Purple Martin | 1 | 9 | 16 | 26 | 24 | 2 | 7 (13 May) | 29 | 11 | 30 Mar | 19 May | ||||
| 71. | Swallow | 0 | 56 | 602 | 658 | 497 | 161 | 189 ( 4 May) | 53 | 20 | 6 Apr | 19 May | ||||
| 72. | Cliff Swallow | 0 | 0 | 4 | 4 | 4 | 0 | 3 (19 May) | 5 | 2 | 13 May | 19 May | ||||
| 73. | swallow sp. | 0 | 48 | 557 | 605 | 392 | 213 | 140 ( 4 May) | 26 | 10 | 6 Apr | 15 May | ||||
| 74. | Blue-grey Gnatcatcher | 0 | 0 | 2 | 2 | 1 | 1 | 1 ( 4 May) | 5 | 2 | 4 May | 15 May | ||||
| 75. | White-breasted Nuthatch | 1 | 1 | 0 | 2 | 2 | 0 | 1 (30 Mar) | 5 | 2 | 30 Mar | 24 Apr | ||||
| 76. | Northern Mockingbird | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 2 May) | 3 | 1 | 2 May | 2 May | ||||
| 77. | Starling | 12095 | 1130 | 457 | 13682 | 13362 | 320 | 2750 (21 Mar) | 79 | 30 | 3 Mar | 16 May | ||||
| 78. | Eastern Bluebird | 26 | 22 | 6 | 54 | 38 | 16 | 10 (28 Apr) | 47 | 18 | 3 Mar | 15 May | ||||
| 79. | American Robin | 11121 | 3649 | 42 | 14812 | 14682 | 130 | 4220 (21 Mar) | 87 | 33 | 3 Mar | 15 May | ||||
| 80. | House Sparrow | 0 | 10 | 0 | 10 | 10 | 0 | 10 ( 8 Apr) | 3 | 1 | 8 Apr | 8 Apr | ||||
| 81. | Buff-bellied Pipit | 9 | 6 | 3 | 18 | 9 | 9 | 3 (22 Mar) | 26 | 10 | 22 Mar | 9 May | ||||
| 82. | finch sp. | 0 | 0 | 122 | 122 | 71 | 51 | 37 ( 9 May) | 16 | 6 | 2 May | 19 May | ||||
| 83. | Evening Grosbeak | 0 | 3 | 19 | 22 | 22 | 0 | 11 ( 9 May) | 18 | 7 | 24 Apr | 15 May | ||||
| 84. | Purple Finch | 0 | 50 | 80 | 130 | 19 | 111 | 37 (28 Apr) | 29 | 11 | 8 Apr | 13 May | ||||
| 85. | House Finch | 125 | 50 | 0 | 175 | 171 | 4 | 41 ( 9 Mar) | 50 | 19 | 3 Mar | 28 Apr | ||||
| 86. | Mealy Redpoll | 93 | 0 | 0 | 93 | 93 | 0 | 50 (17 Mar) | 13 | 5 | 12 Mar | 24 Mar | ||||
| 87. | American Goldfinch | 30 | 267 | 3545 | 3842 | 1222 | 2620 | 1612 ( 3 May) | 79 | 30 | 3 Mar | 19 May | ||||
| 88. | Pine Siskin | 0 | 26 | 426 | 452 | 362 | 90 | 152 (15 May) | 32 | 12 | 13 Apr | 19 May | ||||
| 89. | Chipping Sparrow | 0 | 31 | 33 | 64 | 58 | 6 | 14 ( 1 May) | 45 | 17 | 4 Apr | 19 May | ||||
| 90. | Dark-eyed Junco | 1 | 1 | 0 | 2 | 2 | 0 | 1 (20 Mar) | 5 | 2 | 20 Mar | 24 Apr | ||||
| Species | Mar | Apr | May | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | White-crowned Sparrow | 0 | 0 | 4 | 4 | 0 | 4 | 4 ( 3 May) | 3 | 1 | 3 May | 3 May | ||||
| 92. | White-throated Sparrow | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 3 May) | 3 | 1 | 3 May | 3 May | ||||
| 93. | Savannah Sparrow | 0 | 2 | 0 | 2 | 1 | 1 | 1 ( 6 Apr) | 5 | 2 | 6 Apr | 19 Apr | ||||
| 94. | Bobolink | 0 | 0 | 34 | 34 | 26 | 8 | 16 (15 May) | 24 | 9 | 3 May | 19 May | ||||
| 95. | Eastern Meadowlark | 29 | 11 | 0 | 40 | 31 | 9 | 11 (20 Mar) | 39 | 15 | 9 Mar | 27 Apr | ||||
| 96. | Baltimore Oriole | 0 | 0 | 642 | 642 | 626 | 16 | 402 (15 May) | 29 | 11 | 2 May | 19 May | ||||
| 97. | Orchard Oriole | 0 | 1 | 12 | 13 | 12 | 1 | 6 (15 May) | 18 | 7 | 28 Apr | 19 May | ||||
| 98. | Red-winged Blackbird | 52347 | 21658 | 1477 | 75482 | 73734 | 1748 | 18470 ( 9 Mar) | 92 | 35 | 3 Mar | 17 May | ||||
| 99. | Brown-headed Cowbird | 12578 | 3738 | 90 | 16406 | 16296 | 110 | 4340 (24 Mar) | 66 | 25 | 8 Mar | 14 May | ||||
| 100. | Rusty Blackbird | 353 | 2824 | 20 | 3197 | 3176 | 21 | 1880 ( 9 Apr) | 61 | 23 | 8 Mar | 15 May | ||||
| 101. | blackbird sp. | 49178 | 16150 | 1345 | 66673 | 64913 | 1760 | 12000 (10 Mar) | 89 | 34 | 3 Mar | 15 May | ||||
| 102. | Common Grackle | 61970 | 10115 | 332 | 72417 | 72112 | 305 | 16360 ( 9 Mar) | 92 | 35 | 3 Mar | 19 May | ||||
| 103. | Tennessee Warbler | 0 | 0 | 1 | 1 | 1 | 0 | 1 (17 May) | 3 | 1 | 17 May | 17 May | ||||
| 104. | Cape May Warbler | 0 | 0 | 2 | 2 | 2 | 0 | 2 (15 May) | 3 | 1 | 15 May | 15 May | ||||
| 105. | Magnolia Warbler | 0 | 0 | 1 | 1 | 1 | 0 | 1 (14 May) | 3 | 1 | 14 May | 14 May | ||||
| 106. | Blackburnian Warbler | 0 | 0 | 3 | 3 | 3 | 0 | 3 (19 May) | 3 | 1 | 19 May | 19 May | ||||
| 107. | American Yellow Warbler | 0 | 0 | 54 | 54 | 41 | 13 | 32 (15 May) | 18 | 7 | 2 May | 19 May | ||||
| 108. | Pine Warbler | 0 | 2 | 1 | 3 | 2 | 1 | 2 (19 Apr) | 5 | 2 | 19 Apr | 2 May | ||||
| 109. | Yellow-rumped Warbler (Myrtle) | 2 | 103 | 99 | 204 | 113 | 91 | 70 ( 2 May) | 42 | 16 | 9 Mar | 19 May | ||||
| 110. | Scarlet Tanager | 0 | 1 | 8 | 9 | 8 | 1 | 3 (15 May) | 11 | 4 | 28 Apr | 19 May | ||||
| 111. | Rose-breasted Grosbeak | 0 | 1 | 6 | 7 | 7 | 0 | 4 (15 May) | 11 | 4 | 28 Apr | 15 May | ||||
| 112. | Indigo Bunting | 0 | 0 | 56 | 56 | 54 | 2 | 18 (15 May) | 26 | 10 | 3 May | 19 May | ||||
| 113. | passerine sp. | 1 | 0 | 77 | 78 | 70 | 8 | 50 (15 May) | 11 | 4 | 21 Mar | 19 May | ||||
| 114. | warbler sp. | 0 | 35 | 71 | 106 | 80 | 26 | 29 (15 May) | 29 | 11 | 19 Apr | 19 May | ||||
| Species | Mar | Apr | May | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 216760 | 74846 | 47249 | 338855 | 322070 | 16785 | 100 | 38 | ||||||||
| Observation hours | 54:42 | 44:11 | 35:37 | 134:30 | ||||||||||||
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