Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
1. | Canada Goose | 1992 | 1263 | 20 | 3275 | 180 | 3095 | 436 (15 Mar) | 58 | 38 | 1 Mar | 5 May | ||||
2. | Lesser Canada Goose | 15 | 2 | 0 | 17 | 4 | 13 | 7 ( 4 Mar) | 8 | 5 | 4 Mar | 16 Apr | ||||
3. | Ross's Goose | 1 | 0 | 0 | 1 | 0 | 1 | 1 (13 Mar) | 2 | 1 | 13 Mar | 13 Mar | ||||
4. | Snow Goose | 14 | 0 | 0 | 14 | 14 | 0 | 10 ( 4 Mar) | 3 | 2 | 4 Mar | 5 Mar | ||||
5. | goose sp. | 35 | 0 | 0 | 35 | 35 | 0 | 35 ( 4 Mar) | 2 | 1 | 4 Mar | 4 Mar | ||||
6. | Eurasian White-fronted Goose | 8 | 0 | 0 | 8 | 0 | 8 | 7 ( 7 Mar) | 3 | 2 | 5 Mar | 7 Mar | ||||
7. | Trumpeter Swan | 96 | 7 | 4 | 107 | 13 | 94 | 30 (11 Mar) | 26 | 17 | 2 Mar | 5 May | ||||
8. | Tundra/Trumpeter Swan | 27 | 18 | 5 | 50 | 12 | 38 | 11 (11 Apr) | 15 | 10 | 7 Mar | 11 May | ||||
9. | Tundra Swan | 69 | 20 | 0 | 89 | 12 | 77 | 55 (13 Mar) | 6 | 4 | 7 Mar | 1 Apr | ||||
10. | Wood Duck | 3 | 7 | 0 | 10 | 4 | 6 | 3 (15 Mar) | 6 | 4 | 15 Mar | 11 Apr | ||||
11. | Shoveler | 0 | 5 | 6 | 11 | 11 | 0 | 6 ( 2 May) | 3 | 2 | 26 Apr | 2 May | ||||
12. | American Wigeon | 0 | 4 | 0 | 4 | 4 | 0 | 4 (11 Apr) | 2 | 1 | 11 Apr | 11 Apr | ||||
13. | Mallard | 105 | 272 | 2 | 379 | 273 | 106 | 150 (10 Apr) | 30 | 20 | 4 Mar | 7 May | ||||
14. | Black Duck | 0 | 1 | 0 | 1 | 0 | 1 | 1 (10 Apr) | 2 | 1 | 10 Apr | 10 Apr | ||||
15. | Pintail | 0 | 80 | 0 | 80 | 66 | 14 | 25 (24 Apr) | 9 | 6 | 10 Apr | 25 Apr | ||||
16. | duck sp. | 14 | 577 | 33 | 624 | 456 | 168 | 137 (10 Apr) | 33 | 22 | 4 Mar | 10 May | ||||
17. | Redhead | 0 | 11 | 0 | 11 | 11 | 0 | 11 ( 9 Apr) | 2 | 1 | 9 Apr | 9 Apr | ||||
18. | Scaup | 0 | 7 | 0 | 7 | 7 | 0 | 7 ( 9 Apr) | 2 | 1 | 9 Apr | 9 Apr | ||||
19. | Goldeneye | 139 | 0 | 0 | 139 | 45 | 94 | 137 (30 Mar) | 3 | 2 | 30 Mar | 31 Mar | ||||
20. | Hooded Merganser | 3 | 4 | 1 | 8 | 1 | 7 | 3 (31 Mar) | 6 | 4 | 31 Mar | 11 May | ||||
21. | Goosander | 22 | 66 | 1 | 89 | 8 | 81 | 16 ( 7 Apr) | 29 | 19 | 7 Mar | 11 May | ||||
22. | Red-breasted Merganser | 26 | 153 | 734 | 913 | 771 | 142 | 519 ( 1 May) | 32 | 21 | 4 Mar | 11 May | ||||
23. | Chimney Swift | 0 | 0 | 57 | 57 | 4 | 53 | 30 (10 May) | 11 | 7 | 3 May | 11 May | ||||
24. | Mourning Dove | 0 | 8 | 3 | 11 | 3 | 8 | 5 (23 Apr) | 6 | 4 | 11 Apr | 11 May | ||||
25. | Sandhill Crane | 3 | 189 | 23 | 215 | 27 | 188 | 21 ( 9 Apr) | 47 | 31 | 6 Mar | 11 May | ||||
26. | Killdeer | 0 | 5 | 3 | 8 | 0 | 8 | 2 (25 Apr) | 11 | 7 | 6 Apr | 6 May | ||||
27. | wader sp. | 0 | 0 | 8 | 8 | 6 | 2 | 8 ( 3 May) | 2 | 1 | 3 May | 3 May | ||||
28. | Spotted Sandpiper | 0 | 1 | 0 | 1 | 0 | 1 | 1 (26 Apr) | 2 | 1 | 26 Apr | 26 Apr | ||||
29. | Solitary Sandpiper | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 5 May) | 2 | 1 | 5 May | 5 May | ||||
30. | Greater Yellowlegs | 0 | 4 | 0 | 4 | 0 | 4 | 4 (25 Apr) | 2 | 1 | 25 Apr | 25 Apr | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
31. | Greater/Lesser Yellowlegs | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 8 May) | 2 | 1 | 8 May | 8 May | ||||
32. | Bonaparte's Gull | 0 | 0 | 482 | 482 | 42 | 440 | 325 ( 5 May) | 3 | 2 | 4 May | 5 May | ||||
33. | Ring-billed Gull | 19 | 0 | 0 | 19 | 0 | 19 | 7 (21 Mar) | 9 | 6 | 9 Mar | 30 Mar | ||||
34. | Glaucous Gull | 2 | 0 | 0 | 2 | 0 | 2 | 1 (21 Mar) | 3 | 2 | 21 Mar | 30 Mar | ||||
35. | Thayer's Gull | 1 | 0 | 0 | 1 | 0 | 1 | 1 (17 Mar) | 2 | 1 | 17 Mar | 17 Mar | ||||
36. | Herring Gull | 96 | 3 | 0 | 99 | 0 | 99 | 61 (30 Mar) | 6 | 4 | 10 Mar | 1 Apr | ||||
37. | Common Tern | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 May) | 2 | 1 | 5 May | 5 May | ||||
38. | Forster's Tern | 0 | 0 | 3 | 3 | 2 | 1 | 2 ( 4 May) | 3 | 2 | 4 May | 5 May | ||||
39. | Great Northern Diver | 0 | 137 | 50 | 187 | 111 | 76 | 36 (23 Apr) | 44 | 29 | 9 Apr | 11 May | ||||
40. | Double-crested Cormorant | 0 | 386 | 89 | 475 | 108 | 367 | 123 (21 Apr) | 41 | 27 | 9 Apr | 11 May | ||||
41. | Great Blue Heron | 0 | 10 | 3 | 13 | 1 | 12 | 5 (10 Apr) | 9 | 6 | 6 Apr | 5 May | ||||
42. | American White Pelican | 0 | 1095 | 350 | 1445 | 230 | 1215 | 172 (22 Apr) | 41 | 27 | 9 Apr | 11 May | ||||
43. | Turkey Vulture | 7 | 2763 | 671 | 3441 | 0 | 3441 | 562 (11 Apr) | 59 | 39 | 4 Mar | 11 May | ||||
44. | Osprey | 0 | 84 | 25 | 109 | 0 | 109 | 18 (23 Apr) | 32 | 21 | 10 Apr | 11 May | ||||
45. | American Goshawk | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 2 Mar) | 2 | 1 | 2 Mar | 2 Mar | ||||
46. | Golden Eagle | 90 | 21 | 4 | 115 | 0 | 115 | 11 (14 Mar) | 55 | 36 | 1 Mar | 9 May | ||||
47. | eagle sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 (18 Apr) | 2 | 1 | 18 Apr | 18 Apr | ||||
48. | Sharp-shinned Hawk | 3 | 1372 | 882 | 2257 | 0 | 2257 | 358 ( 5 May) | 58 | 38 | 1 Mar | 11 May | ||||
49. | Cooper's Hawk | 3 | 20 | 4 | 27 | 0 | 27 | 4 (10 Apr) | 29 | 19 | 1 Mar | 9 May | ||||
50. | Accipiter sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 (30 Apr) | 2 | 1 | 30 Apr | 30 Apr | ||||
51. | Northern Harrier | 3 | 68 | 6 | 77 | 0 | 77 | 11 ( 9 Apr) | 42 | 28 | 14 Mar | 7 May | ||||
52. | Bald Eagle | 2739 | 1541 | 631 | 4911 | 0 | 4911 | 407 (31 Mar) | 95 | 63 | 1 Mar | 11 May | ||||
53. | Red-shouldered Hawk | 0 | 2 | 0 | 2 | 0 | 2 | 1 (11 Apr) | 3 | 2 | 11 Apr | 24 Apr | ||||
54. | Broad-winged Hawk | 0 | 5337 | 4603 | 9940 | 0 | 9940 | 2120 ( 5 May) | 32 | 21 | 15 Apr | 11 May | ||||
55. | Swainson's Hawk | 0 | 1 | 0 | 1 | 0 | 1 | 1 (22 Apr) | 2 | 1 | 22 Apr | 22 Apr | ||||
56. | Red-tailed Hawk | 171 | 1875 | 121 | 2167 | 0 | 2167 | 653 (11 Apr) | 83 | 55 | 1 Mar | 11 May | ||||
57. | Rough-legged Buzzard | 51 | 121 | 7 | 179 | 0 | 179 | 20 (11 Apr) | 70 | 46 | 1 Mar | 6 May | ||||
58. | buzzard sp. | 0 | 2 | 0 | 2 | 0 | 2 | 1 ( 5 Apr) | 3 | 2 | 5 Apr | 13 Apr | ||||
59. | raptor sp. | 5 | 18 | 1 | 24 | 0 | 24 | 3 (23 Apr) | 24 | 16 | 5 Mar | 5 May | ||||
60. | Belted Kingfisher | 0 | 5 | 4 | 9 | 5 | 4 | 2 (22 Apr) | 12 | 8 | 11 Apr | 9 May | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
61. | Red-bellied Woodpecker | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 3 May) | 2 | 1 | 3 May | 3 May | ||||
62. | Yellow-bellied Sapsucker | 0 | 3 | 1 | 4 | 0 | 4 | 2 (21 Apr) | 5 | 3 | 10 Apr | 5 May | ||||
63. | Hairy Woodpecker | 0 | 1 | 1 | 2 | 0 | 2 | 1 (13 Apr) | 3 | 2 | 13 Apr | 7 May | ||||
64. | Northern Flicker (Yellow-shafted) | 0 | 165 | 10 | 175 | 95 | 80 | 44 (23 Apr) | 35 | 23 | 6 Apr | 8 May | ||||
65. | American Kestrel | 2 | 64 | 23 | 89 | 0 | 89 | 12 ( 5 May) | 41 | 27 | 30 Mar | 11 May | ||||
66. | Merlin | 9 | 27 | 12 | 48 | 0 | 48 | 6 ( 6 Apr) | 39 | 26 | 6 Mar | 8 May | ||||
67. | Peregrine | 1 | 19 | 9 | 29 | 0 | 29 | 5 (25 Apr) | 27 | 18 | 30 Mar | 11 May | ||||
68. | falcon sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 6 Apr) | 2 | 1 | 6 Apr | 6 Apr | ||||
69. | Eastern Phoebe | 0 | 1 | 0 | 1 | 1 | 0 | 1 (10 Apr) | 2 | 1 | 10 Apr | 10 Apr | ||||
70. | Eastern Kingbird | 0 | 0 | 1 | 1 | 1 | 0 | 1 (10 May) | 2 | 1 | 10 May | 10 May | ||||
71. | Northern Shrike | 2 | 0 | 0 | 2 | 0 | 2 | 1 ( 4 Mar) | 3 | 2 | 4 Mar | 8 Mar | ||||
72. | Blue Jay | 0 | 110 | 2687 | 2797 | 0 | 2797 | 1187 ( 5 May) | 17 | 11 | 23 Apr | 11 May | ||||
73. | American Crow | 88 | 41 | 0 | 129 | 0 | 129 | 25 ( 5 Apr) | 21 | 14 | 1 Mar | 9 Apr | ||||
74. | Raven | 210 | 141 | 49 | 400 | 0 | 400 | 30 ( 8 Mar) | 80 | 53 | 1 Mar | 9 May | ||||
75. | Waxwing | 4272 | 3768 | 0 | 8040 | 6054 | 1986 | 1896 (30 Mar) | 36 | 24 | 5 Mar | 23 Apr | ||||
76. | Cedar Waxwing | 37 | 29 | 0 | 66 | 38 | 28 | 28 (30 Apr) | 9 | 6 | 7 Mar | 30 Apr | ||||
77. | Shore Lark | 0 | 1 | 1 | 2 | 0 | 2 | 1 (22 Apr) | 3 | 2 | 22 Apr | 3 May | ||||
78. | Tree Swallow | 0 | 43 | 66 | 109 | 7 | 102 | 19 ( 3 May) | 29 | 19 | 10 Apr | 11 May | ||||
79. | Northern Rough-winged Swallow | 0 | 0 | 4 | 4 | 0 | 4 | 2 ( 3 May) | 5 | 3 | 3 May | 11 May | ||||
80. | Purple Martin | 0 | 0 | 5 | 5 | 0 | 5 | 3 (11 May) | 3 | 2 | 1 May | 11 May | ||||
81. | Swallow | 0 | 4 | 9 | 13 | 2 | 11 | 5 (10 May) | 9 | 6 | 24 Apr | 10 May | ||||
82. | Cliff Swallow | 0 | 0 | 30 | 30 | 1 | 29 | 10 (11 May) | 8 | 5 | 3 May | 11 May | ||||
83. | swallow sp. | 0 | 1 | 12 | 13 | 0 | 13 | 8 (11 May) | 6 | 4 | 30 Apr | 11 May | ||||
84. | Starling | 62 | 0 | 7 | 69 | 0 | 69 | 60 ( 2 Mar) | 5 | 3 | 2 Mar | 10 May | ||||
85. | Eastern Bluebird | 0 | 0 | 9 | 9 | 9 | 0 | 9 (11 May) | 2 | 1 | 11 May | 11 May | ||||
86. | Townsend's Solitaire | 2 | 1 | 0 | 3 | 2 | 1 | 2 ( 2 Mar) | 3 | 2 | 2 Mar | 9 Apr | ||||
87. | American Robin | 365 | 580 | 1 | 946 | 448 | 498 | 204 ( 9 Apr) | 53 | 35 | 2 Mar | 8 May | ||||
88. | finch sp. | 1 | 20 | 8 | 29 | 10 | 19 | 9 (25 Apr) | 17 | 11 | 29 Mar | 10 May | ||||
89. | Purple Finch | 1 | 79 | 32 | 112 | 33 | 79 | 23 (23 Apr) | 35 | 23 | 31 Mar | 11 May | ||||
90. | House Finch | 8 | 7 | 1 | 16 | 2 | 14 | 3 (18 Apr) | 15 | 10 | 1 Mar | 1 May | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
91. | Mealy Redpoll | 1138 | 438 | 0 | 1576 | 1188 | 388 | 295 (30 Mar) | 47 | 31 | 1 Mar | 19 Apr | ||||
92. | Crossbill | 2 | 11 | 0 | 13 | 11 | 2 | 11 (21 Apr) | 3 | 2 | 20 Mar | 21 Apr | ||||
93. | American Goldfinch | 23 | 48 | 121 | 192 | 92 | 100 | 63 (10 May) | 53 | 35 | 4 Mar | 11 May | ||||
94. | Pine Siskin | 67 | 243 | 207 | 517 | 373 | 144 | 78 (26 Apr) | 79 | 52 | 1 Mar | 11 May | ||||
95. | Lapland Bunting | 0 | 1 | 0 | 1 | 0 | 1 | 1 (22 Apr) | 2 | 1 | 22 Apr | 22 Apr | ||||
96. | Snow Bunting | 3 | 1 | 0 | 4 | 0 | 4 | 2 (12 Mar) | 5 | 3 | 7 Mar | 10 Apr | ||||
97. | Chipping Sparrow | 0 | 3 | 27 | 30 | 26 | 4 | 22 ( 4 May) | 12 | 8 | 22 Apr | 10 May | ||||
98. | Clay-colored Sparrow | 0 | 0 | 5 | 5 | 5 | 0 | 3 ( 4 May) | 5 | 3 | 3 May | 10 May | ||||
99. | American Tree Sparrow | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 7 Apr) | 2 | 1 | 7 Apr | 7 Apr | ||||
100. | Dark-eyed Junco | 3 | 10 | 0 | 13 | 7 | 6 | 4 (10 Apr) | 8 | 5 | 27 Mar | 18 Apr | ||||
101. | Red-winged Blackbird | 8 | 53 | 45 | 106 | 18 | 88 | 20 ( 3 May) | 33 | 22 | 13 Mar | 11 May | ||||
102. | Brown-headed Cowbird | 0 | 9 | 19 | 28 | 18 | 10 | 10 ( 1 May) | 20 | 13 | 19 Apr | 10 May | ||||
103. | Rusty Blackbird | 0 | 6 | 2 | 8 | 0 | 8 | 4 (22 Apr) | 8 | 5 | 22 Apr | 10 May | ||||
104. | blackbird sp. | 0 | 32 | 1 | 33 | 0 | 33 | 18 (24 Apr) | 6 | 4 | 23 Apr | 3 May | ||||
105. | Common Grackle | 8 | 276 | 52 | 336 | 90 | 246 | 54 (23 Apr) | 50 | 33 | 11 Mar | 10 May | ||||
106. | Black-and-white Warbler | 0 | 0 | 1 | 1 | 1 | 0 | 1 (10 May) | 2 | 1 | 10 May | 10 May | ||||
107. | Tennessee Warbler | 0 | 0 | 2 | 2 | 2 | 0 | 2 (10 May) | 2 | 1 | 10 May | 10 May | ||||
108. | Orange-crowned Warbler | 0 | 0 | 3 | 3 | 2 | 1 | 2 ( 4 May) | 3 | 2 | 1 May | 4 May | ||||
109. | Nashville Warbler | 0 | 0 | 11 | 11 | 7 | 4 | 4 ( 4 May) | 6 | 4 | 4 May | 10 May | ||||
110. | Cape May Warbler | 0 | 0 | 6 | 6 | 5 | 1 | 3 ( 4 May) | 6 | 4 | 4 May | 10 May | ||||
111. | Palm Warbler | 0 | 2 | 17 | 19 | 16 | 3 | 8 ( 4 May) | 14 | 9 | 14 Apr | 11 May | ||||
112. | Yellow-rumped Warbler (Myrtle) | 0 | 112 | 211 | 323 | 274 | 49 | 110 ( 4 May) | 38 | 25 | 10 Apr | 11 May | ||||
113. | Black-throated Green Warbler | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 1 May) | 2 | 1 | 1 May | 1 May | ||||
114. | Scarlet Tanager | 0 | 0 | 2 | 2 | 1 | 1 | 1 ( 9 May) | 3 | 2 | 9 May | 10 May | ||||
115. | passerine sp. | 0 | 18 | 4 | 22 | 0 | 22 | 8 ( 6 Apr) | 9 | 6 | 6 Apr | 9 May | ||||
116. | warbler sp. | 0 | 1 | 11 | 12 | 12 | 0 | 6 ( 4 May) | 8 | 5 | 23 Apr | 10 May | ||||
Other species | ||||||||||||||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
1. | bat sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 3 Apr) | 2 | 1 | 3 Apr | 3 Apr | ||||
Other species | ||||||||||||||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
1. | Camberwell Beauty | 0 | 1 | 0 | 1 | 0 | 1 | 1 (14 Apr) | 2 | 1 | 14 Apr | 14 Apr | ||||
2. | Eastern Comma | 1 | 0 | 0 | 1 | 0 | 1 | 1 (12 Mar) | 2 | 1 | 12 Mar | 12 Mar | ||||
3. | Painted Lady | 0 | 1 | 0 | 1 | 0 | 1 | 1 (26 Apr) | 2 | 1 | 26 Apr | 26 Apr | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
Totals | 12076 | 23941 | 12566 | 48583 | 11321 | 37262 | 100 | 66 | ||||||||
Observation hours | 205:35 | 206:02 | 74:36 | 486:13 |
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