| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Wood Duck | 21 | 21 | 21 | 0 | 16 (8 May) | 20 | 2 | 8 May | 11 May | ||||
| 2. | Blue-winged Teal | 1 | 1 | 0 | 1 | 1 (12 May) | 10 | 1 | 12 May | 12 May | ||||
| 3. | Lesser Scaup | 13 | 13 | 3 | 10 | 5 (3 May) | 40 | 4 | 3 May | 10 May | ||||
| 4. | Hooded Merganser | 1 | 1 | 0 | 1 | 1 (4 May) | 10 | 1 | 4 May | 4 May | ||||
| 5. | Red-breasted Merganser | 5 | 5 | 1 | 4 | 2 (3 May) | 40 | 4 | 3 May | 9 May | ||||
| 6. | Common Nighthawk | 2 | 2 | 1 | 1 | 1 (8 May) | 20 | 2 | 8 May | 11 May | ||||
| 7. | Chimney Swift | 43 | 43 | 0 | 43 | 43 (7 May) | 10 | 1 | 7 May | 7 May | ||||
| 8. | Ruby-throated Hummingbird | 14 | 14 | 9 | 5 | 5 (5 May) | 50 | 5 | 5 May | 11 May | ||||
| 9. | Grey Plover | 1 | 1 | 0 | 1 | 1 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| 10. | Spotted Sandpiper | 1 | 1 | 0 | 1 | 1 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| 11. | Solitary Sandpiper | 5 | 5 | 4 | 1 | 3 (5 May) | 30 | 3 | 3 May | 8 May | ||||
| 12. | Lesser Yellowlegs | 15 | 15 | 11 | 4 | 8 (8 May) | 40 | 4 | 5 May | 12 May | ||||
| 13. | Greater Yellowlegs | 4 | 4 | 1 | 3 | 2 (12 May) | 30 | 3 | 5 May | 12 May | ||||
| 14. | Turnstone | 3 | 3 | 0 | 3 | 2 (12 May) | 20 | 2 | 3 May | 12 May | ||||
| 15. | Sanderling | 2 | 2 | 0 | 2 | 2 (3 May) | 10 | 1 | 3 May | 3 May | ||||
| 16. | Dunlin | 232 | 232 | 4 | 228 | 210 (4 May) | 30 | 3 | 4 May | 10 May | ||||
| 17. | Black Tern | 4 | 4 | 2 | 2 | 2 (12 May) | 30 | 3 | 6 May | 12 May | ||||
| 18. | Forster's Tern | 1 | 1 | 0 | 1 | 1 (11 May) | 10 | 1 | 11 May | 11 May | ||||
| 19. | Common Tern | 21 | 21 | 0 | 21 | 21 (3 May) | 10 | 1 | 3 May | 3 May | ||||
| 20. | Bonaparte's Gull | 17 | 17 | 1 | 16 | 10 (12 May) | 60 | 6 | 4 May | 12 May | ||||
| 21. | Laughing Gull | 1 | 1 | 1 | 0 | 1 (10 May) | 10 | 1 | 10 May | 10 May | ||||
| 22. | Lesser Black-backed Gull | 1 | 1 | 0 | 1 | 1 (10 May) | 10 | 1 | 10 May | 10 May | ||||
| 23. | Neotropic Cormorant | 1 | 1 | 1 | 0 | 1 (9 May) | 10 | 1 | 9 May | 9 May | ||||
| 24. | Double-crested Cormorant | 335 | 335 | 265 | 70 | 109 (10 May) | 60 | 6 | 3 May | 10 May | ||||
| 25. | Night Heron | 11 | 11 | 6 | 5 | 6 (5 May) | 40 | 4 | 4 May | 12 May | ||||
| 26. | American White Pelican | 68 | 68 | 8 | 60 | 29 (5 May) | 80 | 8 | 3 May | 12 May | ||||
| 27. | Sharp-shinned Hawk | 2 | 2 | 2 | 0 | 1 (5 May) | 20 | 2 | 5 May | 12 May | ||||
| 28. | Cooper's Hawk | 2 | 2 | 0 | 2 | 2 (5 May) | 10 | 1 | 5 May | 5 May | ||||
| 29. | Belted Kingfisher | 1 | 1 | 1 | 0 | 1 (5 May) | 10 | 1 | 5 May | 5 May | ||||
| 30. | Red-headed Woodpecker | 4 | 4 | 0 | 4 | 3 (5 May) | 20 | 2 | 5 May | 8 May | ||||
| Species | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Red-bellied Woodpecker | 2 | 2 | 0 | 2 | 1 (5 May) | 20 | 2 | 5 May | 7 May | ||||
| 32. | Merlin | 2 | 2 | 1 | 1 | 2 (5 May) | 10 | 1 | 5 May | 5 May | ||||
| 33. | Peregrine | 3 | 3 | 0 | 3 | 2 (5 May) | 20 | 2 | 5 May | 9 May | ||||
| 34. | Eastern Phoebe | 1 | 1 | 1 | 0 | 1 (3 May) | 10 | 1 | 3 May | 3 May | ||||
| 35. | Eastern Kingbird | 41 | 41 | 11 | 30 | 16 (5 May) | 80 | 8 | 3 May | 12 May | ||||
| 36. | Red-eyed Vireo | 1 | 1 | 0 | 1 | 1 (12 May) | 10 | 1 | 12 May | 12 May | ||||
| 37. | Philadelphia Vireo | 2 | 2 | 0 | 2 | 2 (12 May) | 10 | 1 | 12 May | 12 May | ||||
| 38. | Warbling Vireo | 17 | 17 | 9 | 8 | 7 (5 May) | 60 | 6 | 5 May | 12 May | ||||
| 39. | Yellow-throated Vireo | 1 | 1 | 0 | 1 | 1 (11 May) | 10 | 1 | 11 May | 11 May | ||||
| 40. | Blue-headed Vireo | 1 | 1 | 1 | 0 | 1 (12 May) | 10 | 1 | 12 May | 12 May | ||||
| 41. | Blue Jay | 4126 | 4126 | 92 | 4034 | 3572 (5 May) | 60 | 6 | 3 May | 12 May | ||||
| 42. | Cedar Waxwing | 121 | 121 | 71 | 50 | 89 (11 May) | 50 | 5 | 5 May | 12 May | ||||
| 43. | Shore Lark | 4 | 4 | 0 | 4 | 4 (7 May) | 10 | 1 | 7 May | 7 May | ||||
| 44. | Sand Martin | 20 | 20 | 0 | 20 | 19 (7 May) | 20 | 2 | 3 May | 7 May | ||||
| 45. | Purple Martin | 3 | 3 | 0 | 3 | 3 (3 May) | 10 | 1 | 3 May | 3 May | ||||
| 46. | Northern Rough-winged Swallow | 3 | 3 | 0 | 3 | 3 (7 May) | 10 | 1 | 7 May | 7 May | ||||
| 47. | Swallow | 24 | 24 | 0 | 24 | 23 (7 May) | 20 | 2 | 3 May | 7 May | ||||
| 48. | Cliff Swallow | 1 | 1 | 0 | 1 | 1 (7 May) | 10 | 1 | 7 May | 7 May | ||||
| 49. | Blue-grey Gnatcatcher | 2 | 2 | 0 | 2 | 1 (8 May) | 20 | 2 | 8 May | 11 May | ||||
| 50. | Grey Catbird | 6 | 6 | 3 | 3 | 2 (4 May) | 40 | 4 | 4 May | 12 May | ||||
| 51. | Starling | 47 | 47 | 19 | 28 | 14 (3 May) | 40 | 4 | 3 May | 8 May | ||||
| 52. | Eastern Bluebird | 1 | 1 | 0 | 1 | 1 (10 May) | 10 | 1 | 10 May | 10 May | ||||
| 53. | Wood Thrush | 1 | 1 | 0 | 1 | 1 (5 May) | 10 | 1 | 5 May | 5 May | ||||
| 54. | American Robin | 6 | 6 | 0 | 6 | 2 (3 May) | 40 | 4 | 3 May | 12 May | ||||
| 55. | House Sparrow | 11 | 11 | 2 | 9 | 5 (5 May) | 30 | 3 | 5 May | 7 May | ||||
| 56. | American Buff-bellied Pipit | 339 | 339 | 336 | 3 | 257 (5 May) | 30 | 3 | 5 May | 8 May | ||||
| 57. | House Finch | 1 | 1 | 0 | 1 | 1 (7 May) | 10 | 1 | 7 May | 7 May | ||||
| 58. | American Goldfinch | 105 | 105 | 41 | 64 | 46 (7 May) | 70 | 7 | 3 May | 12 May | ||||
| 59. | Clay-colored Sparrow | 1 | 1 | 1 | 0 | 1 (12 May) | 10 | 1 | 12 May | 12 May | ||||
| 60. | Field Sparrow | 1 | 1 | 0 | 1 | 1 (6 May) | 10 | 1 | 6 May | 6 May | ||||
| Species | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | White-crowned Sparrow | 2 | 2 | 1 | 1 | 2 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| 62. | Savannah Sparrow | 2 | 2 | 0 | 2 | 1 (5 May) | 20 | 2 | 5 May | 6 May | ||||
| 63. | Bobolink | 11 | 11 | 5 | 6 | 6 (11 May) | 30 | 3 | 8 May | 12 May | ||||
| 64. | Eastern Meadowlark | 1 | 1 | 0 | 1 | 1 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| 65. | Baltimore Oriole | 181 | 181 | 24 | 157 | 86 (5 May) | 100 | 10 | 3 May | 12 May | ||||
| 66. | Orchard Oriole | 5 | 5 | 0 | 5 | 3 (11 May) | 30 | 3 | 3 May | 11 May | ||||
| 67. | Red-winged Blackbird | 661 | 661 | 340 | 321 | 311 (5 May) | 90 | 9 | 3 May | 12 May | ||||
| 68. | Brown-headed Cowbird | 28 | 28 | 14 | 14 | 9 (5 May) | 50 | 5 | 3 May | 8 May | ||||
| 69. | Common Grackle | 101 | 101 | 30 | 71 | 54 (5 May) | 50 | 5 | 3 May | 12 May | ||||
| 70. | Northern Waterthrush | 2 | 2 | 0 | 2 | 1 (8 May) | 20 | 2 | 8 May | 12 May | ||||
| 71. | Black-and-white Warbler | 2 | 2 | 0 | 2 | 1 (5 May) | 20 | 2 | 5 May | 11 May | ||||
| 72. | Prothonotary Warbler | 1 | 1 | 1 | 0 | 1 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| 73. | Tennessee Warbler | 7 | 7 | 0 | 7 | 6 (11 May) | 20 | 2 | 8 May | 11 May | ||||
| 74. | Nashville Warbler | 8 | 8 | 1 | 7 | 4 (11 May) | 50 | 5 | 3 May | 12 May | ||||
| 75. | American Redstart | 5 | 5 | 1 | 4 | 3 (5 May) | 20 | 2 | 5 May | 12 May | ||||
| 76. | Cape May Warbler | 3 | 3 | 0 | 3 | 2 (11 May) | 20 | 2 | 5 May | 11 May | ||||
| 77. | Northern Parula | 4 | 4 | 0 | 4 | 3 (11 May) | 20 | 2 | 8 May | 11 May | ||||
| 78. | Magnolia Warbler | 2 | 2 | 0 | 2 | 1 (11 May) | 20 | 2 | 11 May | 12 May | ||||
| 79. | Bay-breasted Warbler | 1 | 1 | 0 | 1 | 1 (11 May) | 10 | 1 | 11 May | 11 May | ||||
| 80. | Blackburnian Warbler | 1 | 1 | 0 | 1 | 1 (11 May) | 10 | 1 | 11 May | 11 May | ||||
| 81. | American Yellow Warbler | 91 | 91 | 8 | 83 | 27 (5 May) | 80 | 8 | 3 May | 12 May | ||||
| 82. | Palm Warbler | 2 | 2 | 2 | 0 | 2 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| 83. | Palm Warbler (Western) | 1 | 1 | 1 | 0 | 1 (5 May) | 10 | 1 | 5 May | 5 May | ||||
| 84. | Myrtle Warbler | 7 | 7 | 2 | 5 | 4 (11 May) | 40 | 4 | 4 May | 11 May | ||||
| 85. | Black-throated Green Warbler | 1 | 1 | 0 | 1 | 1 (11 May) | 10 | 1 | 11 May | 11 May | ||||
| 86. | Wilson's Warbler | 1 | 1 | 0 | 1 | 1 (11 May) | 10 | 1 | 11 May | 11 May | ||||
| 87. | Rose-breasted Grosbeak | 1 | 1 | 0 | 1 | 1 (5 May) | 10 | 1 | 5 May | 5 May | ||||
| 88. | Blue Grosbeak | 1 | 1 | 0 | 1 | 1 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| 89. | Indigo Bunting | 33 | 33 | 2 | 31 | 9 (8 May) | 60 | 6 | 5 May | 12 May | ||||
| 90. | passerine sp. | 2 | 2 | 0 | 2 | 2 (7 May) | 10 | 1 | 7 May | 7 May | ||||
| Species | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | warbler sp. | 40 | 40 | 1 | 39 | 24 (11 May) | 50 | 5 | 4 May | 11 May | ||||
| Other species | ||||||||||||||
| Species | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Eastern Tiger Swallowtail | 1 | 1 | 0 | 1 | 1 (8 May) | 10 | 1 | 8 May | 8 May | ||||
| Species | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 6935 | 6935 | 1363 | 5572 | 100 | 10 | ||||||||
| Observation hours | 33:23 | 33:23 | ||||||||||||
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