Species | Feb | Mar | Apr | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
1. | Blue-winged Teal | 0 | 10 | 7 | 0 | 17 | 5 | 12 | 6 (11 Apr) | 10 | 6 | 14 Mar | 21 Apr | ||||
2. | Gadwall | 0 | 5 | 5 | 0 | 10 | 10 | 0 | 4 (12 Apr) | 8 | 5 | 7 Mar | 13 Apr | ||||
3. | American Wigeon | 1 | 6 | 24 | 0 | 31 | 3 | 28 | 19 (11 Apr) | 8 | 5 | 12 Feb | 11 Apr | ||||
4. | Black Duck | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 2 ( 3 Feb) | 2 | 1 | 3 Feb | 3 Feb | ||||
5. | Pintail | 35 | 3 | 0 | 0 | 38 | 5 | 33 | 27 (27 Feb) | 10 | 6 | 7 Feb | 14 Mar | ||||
6. | Green-winged Teal | 4 | 0 | 2 | 0 | 6 | 4 | 2 | 2 (16 Feb) | 5 | 3 | 16 Feb | 3 Apr | ||||
7. | Ring-necked Duck | 0 | 0 | 3 | 0 | 3 | 0 | 3 | 2 ( 3 Apr) | 3 | 2 | 3 Apr | 13 Apr | ||||
8. | Scaup | 8 | 0 | 0 | 0 | 8 | 3 | 5 | 5 (29 Feb) | 5 | 3 | 20 Feb | 29 Feb | ||||
9. | Lesser Scaup | 1 | 10 | 8 | 0 | 19 | 5 | 14 | 8 ( 3 Apr) | 8 | 5 | 5 Feb | 3 Apr | ||||
10. | Aythya sp. | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 (10 Mar) | 2 | 1 | 10 Mar | 10 Mar | ||||
11. | Greater / Lesser Scaup | 9 | 2 | 0 | 0 | 11 | 0 | 11 | 9 (29 Feb) | 3 | 2 | 29 Feb | 15 Mar | ||||
12. | Eider | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (21 Feb) | 2 | 1 | 21 Feb | 21 Feb | ||||
13. | Surf Scoter | 46 | 17 | 1 | 0 | 64 | 48 | 16 | 9 ( 3 Feb) | 30 | 18 | 3 Feb | 28 Apr | ||||
14. | White-winged Scoter | 1 | 3 | 1 | 0 | 5 | 1 | 4 | 3 (12 Mar) | 5 | 3 | 21 Feb | 28 Apr | ||||
15. | Black Scoter | 5867 | 405 | 155 | 0 | 6427 | 6117 | 310 | 1376 ( 4 Feb) | 74 | 45 | 3 Feb | 28 Apr | ||||
16. | Surf/Black Scoter | 351 | 40 | 0 | 0 | 391 | 388 | 3 | 93 ( 3 Feb) | 18 | 11 | 3 Feb | 18 Mar | ||||
17. | Long-tailed Duck | 6 | 2 | 0 | 0 | 8 | 2 | 6 | 3 (29 Feb) | 10 | 6 | 4 Feb | 13 Mar | ||||
18. | Red-breasted Merganser | 184 | 143 | 2 | 0 | 329 | 158 | 171 | 52 ( 8 Mar) | 52 | 32 | 3 Feb | 21 Apr | ||||
19. | Chimney Swift | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 2 (21 Apr) | 2 | 1 | 21 Apr | 21 Apr | ||||
20. | Slavonian Grebe | 12 | 6 | 0 | 0 | 18 | 6 | 12 | 5 (20 Feb) | 20 | 12 | 3 Feb | 18 Mar | ||||
21. | American Oystercatcher | 4 | 5 | 0 | 0 | 9 | 5 | 4 | 3 ( 5 Mar) | 8 | 5 | 13 Feb | 13 Mar | ||||
22. | Black-necked Stilt | 0 | 0 | 0 | 4 | 4 | 4 | 0 | 4 (14 May) | 2 | 1 | 14 May | 14 May | ||||
23. | Grey Plover | 0 | 0 | 8 | 0 | 8 | 0 | 8 | 4 (21 Apr) | 3 | 2 | 21 Apr | 25 Apr | ||||
24. | Killdeer | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (12 Mar) | 2 | 1 | 12 Mar | 12 Mar | ||||
25. | Piping Plover | 0 | 4 | 0 | 0 | 4 | 0 | 4 | 3 (10 Mar) | 3 | 2 | 10 Mar | 11 Mar | ||||
26. | Wilson's Plover | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (28 Apr) | 2 | 1 | 28 Apr | 28 Apr | ||||
27. | Hudsonian Whimbrel | 0 | 0 | 22 | 1 | 23 | 2 | 21 | 19 (21 Apr) | 8 | 5 | 13 Apr | 1 May | ||||
28. | Short-billed Dowitcher | 0 | 0 | 56 | 0 | 56 | 2 | 54 | 53 (21 Apr) | 5 | 3 | 11 Apr | 21 Apr | ||||
29. | Wilson's Snipe | 0 | 18 | 0 | 0 | 18 | 1 | 17 | 17 ( 7 Mar) | 3 | 2 | 7 Mar | 11 Mar | ||||
30. | Grey Phalarope | 0 | 13 | 0 | 0 | 13 | 0 | 13 | 13 ( 6 Mar) | 2 | 1 | 6 Mar | 6 Mar | ||||
Species | Feb | Mar | Apr | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
31. | Red-necked Phalarope | 0 | 0 | 0 | 242 | 242 | 0 | 242 | 221 ( 2 May) | 3 | 2 | 1 May | 2 May | ||||
32. | Spotted Sandpiper | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 (14 May) | 2 | 1 | 14 May | 14 May | ||||
33. | Solitary Sandpiper | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 (13 Apr) | 2 | 1 | 13 Apr | 13 Apr | ||||
34. | Lesser Yellowlegs | 0 | 0 | 8 | 0 | 8 | 3 | 5 | 3 (21 Apr) | 8 | 5 | 3 Apr | 28 Apr | ||||
35. | Willet (Eastern) | 0 | 0 | 7 | 0 | 7 | 0 | 7 | 5 (21 Apr) | 5 | 3 | 3 Apr | 21 Apr | ||||
36. | Greater Yellowlegs | 0 | 3 | 24 | 5 | 32 | 11 | 21 | 8 (13 Apr) | 21 | 13 | 7 Mar | 1 May | ||||
37. | Turnstone | 0 | 0 | 4 | 25 | 29 | 0 | 29 | 23 (14 May) | 7 | 4 | 21 Apr | 14 May | ||||
38. | Knot | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 (14 May) | 2 | 1 | 14 May | 14 May | ||||
39. | Dunlin | 0 | 0 | 6 | 0 | 6 | 1 | 5 | 5 (21 Apr) | 3 | 2 | 6 Apr | 21 Apr | ||||
40. | Least Sandpiper | 0 | 2 | 3 | 2 | 7 | 3 | 4 | 2 (13 Apr) | 8 | 5 | 7 Mar | 2 May | ||||
41. | White-rumped Sandpiper | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 1 May) | 2 | 1 | 1 May | 1 May | ||||
42. | Pectoral Sandpiper | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (12 Mar) | 2 | 1 | 12 Mar | 12 Mar | ||||
43. | Semipalmated Sandpiper | 0 | 0 | 0 | 12 | 12 | 0 | 12 | 12 (14 May) | 2 | 1 | 14 May | 14 May | ||||
44. | Black Skimmer | 0 | 2 | 1 | 0 | 3 | 0 | 3 | 2 (14 Mar) | 3 | 2 | 14 Mar | 23 Apr | ||||
45. | Least Tern | 0 | 0 | 1511 | 303 | 1814 | 0 | 1814 | 270 (26 Apr) | 30 | 18 | 3 Apr | 14 May | ||||
46. | Gull-billed Tern | 0 | 0 | 1 | 2 | 3 | 1 | 2 | 2 (14 May) | 3 | 2 | 28 Apr | 14 May | ||||
47. | Caspian Tern | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (26 Apr) | 2 | 1 | 26 Apr | 26 Apr | ||||
48. | Black Tern | 0 | 0 | 8 | 1 | 9 | 0 | 9 | 2 (22 Apr) | 10 | 6 | 22 Apr | 14 May | ||||
49. | Forster's Tern | 2861 | 1242 | 3943 | 6 | 8052 | 0 | 8052 | 1093 ( 3 Apr) | 95 | 58 | 3 Feb | 1 May | ||||
50. | Common Tern | 0 | 0 | 5460 | 490 | 5950 | 0 | 5950 | 1456 (26 Apr) | 33 | 20 | 3 Apr | 14 May | ||||
51. | Roseate Tern | 0 | 0 | 62 | 0 | 62 | 0 | 62 | 25 (27 Apr) | 10 | 6 | 22 Apr | 28 Apr | ||||
52. | Sandwich Tern | 0 | 2 | 2793 | 36 | 2831 | 0 | 2831 | 478 (27 Apr) | 38 | 23 | 17 Mar | 14 May | ||||
53. | Royal Tern | 19 | 563 | 3958 | 409 | 4949 | 0 | 4949 | 736 (21 Apr) | 74 | 45 | 11 Feb | 14 May | ||||
54. | Little Gull | 1 | 1 | 1 | 0 | 3 | 0 | 3 | 1 (11 Feb) | 5 | 3 | 11 Feb | 27 Apr | ||||
55. | Bonaparte's Gull | 4745 | 7802 | 869 | 2 | 13418 | 108 | 13310 | 1732 (14 Mar) | 97 | 59 | 3 Feb | 1 May | ||||
56. | Black-headed Gull | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 ( 7 Feb) | 2 | 1 | 7 Feb | 7 Feb | ||||
57. | Laughing Gull | 10 | 224 | 1896 | 151 | 2281 | 0 | 2281 | 294 (12 Apr) | 72 | 44 | 11 Feb | 14 May | ||||
58. | Ring-billed Gull | 237 | 133 | 23 | 1 | 394 | 0 | 394 | 41 (11 Feb) | 84 | 51 | 3 Feb | 1 May | ||||
59. | Herring Gull | 1488 | 2754 | 682 | 5 | 4929 | 0 | 4929 | 350 ( 8 Mar) | 97 | 59 | 3 Feb | 1 May | ||||
60. | Great Black-backed Gull | 165 | 87 | 28 | 0 | 280 | 0 | 280 | 30 (21 Feb) | 77 | 47 | 4 Feb | 27 Apr | ||||
Species | Feb | Mar | Apr | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
61. | Lesser Black-backed Gull | 461 | 1554 | 859 | 18 | 2892 | 0 | 2892 | 266 ( 3 Apr) | 98 | 60 | 3 Feb | 14 May | ||||
62. | California Gull | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (14 Feb) | 2 | 1 | 14 Feb | 14 Feb | ||||
63. | Iceland Gull | 2 | 1 | 0 | 0 | 3 | 1 | 2 | 1 ( 4 Feb) | 5 | 3 | 4 Feb | 6 Mar | ||||
64. | Arctic Skua | 0 | 0 | 156 | 8 | 164 | 8 | 156 | 39 (23 Apr) | 26 | 16 | 11 Apr | 14 May | ||||
65. | Pomarine Skua | 0 | 0 | 3 | 0 | 3 | 0 | 3 | 2 (21 Apr) | 3 | 2 | 21 Apr | 27 Apr | ||||
66. | Puffin | 1 | 12 | 0 | 0 | 13 | 0 | 13 | 9 ( 6 Mar) | 8 | 5 | 13 Feb | 17 Mar | ||||
67. | Razorbill | 10398 | 20979 | 1 | 0 | 31378 | 956 | 30422 | 6355 ( 5 Mar) | 61 | 37 | 3 Feb | 3 Apr | ||||
68. | Little Auk | 100 | 31 | 0 | 0 | 131 | 18 | 113 | 40 ( 3 Feb) | 20 | 12 | 3 Feb | 11 Mar | ||||
69. | Guillemot | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 2 | 1 | 9 Mar | 9 Mar | ||||
70. | Red-billed Tropicbird | 1 | 0 | 1 | 0 | 2 | 0 | 2 | 1 ( 5 Feb) | 3 | 2 | 5 Feb | 23 Apr | ||||
71. | Red-throated Diver | 24669 | 7098 | 146 | 0 | 31913 | 228 | 31685 | 3626 (21 Feb) | 85 | 52 | 3 Feb | 27 Apr | ||||
72. | Pacific Loon | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Apr) | 2 | 1 | 21 Apr | 21 Apr | ||||
73. | Great Northern Diver | 36 | 195 | 1507 | 171 | 1909 | 9 | 1900 | 321 (12 Apr) | 80 | 49 | 3 Feb | 14 May | ||||
74. | Wilson's Storm-Petrel | 0 | 0 | 10 | 4 | 14 | 0 | 14 | 5 (27 Apr) | 10 | 6 | 24 Apr | 2 May | ||||
75. | Cory's Shearwater | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 3 (14 May) | 2 | 1 | 14 May | 14 May | ||||
76. | Sooty Shearwater | 0 | 2 | 7 | 19 | 28 | 0 | 28 | 18 (14 May) | 10 | 6 | 9 Mar | 14 May | ||||
77. | Manx Shearwater | 13 | 17 | 5 | 2 | 37 | 1 | 36 | 15 (22 Mar) | 25 | 15 | 3 Feb | 1 May | ||||
78. | Gannet | 42278 | 17682 | 9165 | 165 | 69290 | 1681 | 67609 | 7365 ( 9 Feb) | 100 | 61 | 3 Feb | 14 May | ||||
79. | Brown Booby | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (11 Apr) | 2 | 1 | 11 Apr | 11 Apr | ||||
80. | Double-crested Cormorant | 17641 | 21024 | 8152 | 4 | 46821 | 0 | 46821 | 6760 ( 8 Apr) | 90 | 55 | 5 Feb | 14 May | ||||
81. | White Ibis | 0 | 27 | 112 | 0 | 139 | 17 | 122 | 62 ( 3 Apr) | 11 | 7 | 17 Mar | 13 Apr | ||||
82. | Glossy Ibis | 0 | 0 | 86 | 0 | 86 | 1 | 85 | 78 (24 Apr) | 5 | 3 | 21 Apr | 25 Apr | ||||
83. | Yellow-crowned Night Heron | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 3 Apr) | 2 | 1 | 3 Apr | 3 Apr | ||||
84. | Little Blue Heron | 0 | 0 | 4 | 0 | 4 | 0 | 4 | 1 ( 3 Apr) | 7 | 4 | 3 Apr | 25 Apr | ||||
85. | Tricolored Heron | 0 | 1 | 12 | 0 | 13 | 0 | 13 | 9 ( 3 Apr) | 8 | 5 | 7 Mar | 23 Apr | ||||
86. | Snowy Egret | 0 | 0 | 6 | 0 | 6 | 4 | 2 | 4 ( 7 Apr) | 5 | 3 | 6 Apr | 21 Apr | ||||
87. | Cattle Egret | 0 | 0 | 3 | 0 | 3 | 0 | 3 | 2 (21 Apr) | 3 | 2 | 11 Apr | 21 Apr | ||||
88. | Great White Egret | 0 | 0 | 6 | 0 | 6 | 0 | 6 | 5 ( 6 Apr) | 3 | 2 | 3 Apr | 6 Apr | ||||
89. | Great Blue Heron | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 1 ( 6 Apr) | 3 | 2 | 6 Apr | 2 May | ||||
90. | Brown Pelican | 872 | 558 | 649 | 17 | 2096 | 0 | 2096 | 155 ( 9 Feb) | 93 | 57 | 3 Feb | 14 May | ||||
Species | Feb | Mar | Apr | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
91. | Osprey | 0 | 9 | 4 | 0 | 13 | 4 | 9 | 4 ( 7 Apr) | 8 | 5 | 8 Mar | 7 Apr | ||||
92. | Sharp-shinned Hawk | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (12 Mar) | 2 | 1 | 12 Mar | 12 Mar | ||||
93. | Broad-winged Hawk | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (12 Mar) | 2 | 1 | 12 Mar | 12 Mar | ||||
94. | American Kestrel | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 6 Apr) | 2 | 1 | 6 Apr | 6 Apr | ||||
95. | Merlin | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 1 ( 6 Apr) | 3 | 2 | 6 Apr | 28 Apr | ||||
96. | Sand Martin | 0 | 0 | 0 | 3 | 3 | 3 | 0 | 2 ( 1 May) | 3 | 2 | 1 May | 2 May | ||||
97. | Tree Swallow | 3 | 10 | 0 | 0 | 13 | 10 | 3 | 4 (11 Mar) | 8 | 5 | 13 Feb | 18 Mar | ||||
98. | Purple Martin | 0 | 6 | 14 | 0 | 20 | 16 | 4 | 8 (13 Apr) | 18 | 11 | 7 Mar | 26 Apr | ||||
99. | Northern Rough-winged Swallow | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Apr) | 2 | 1 | 25 Apr | 25 Apr | ||||
100. | Swallow | 0 | 38 | 138 | 114 | 290 | 253 | 37 | 85 ( 1 May) | 43 | 26 | 7 Mar | 14 May | ||||
101. | Cliff Swallow | 0 | 0 | 4 | 12 | 16 | 15 | 1 | 12 ( 1 May) | 7 | 4 | 11 Apr | 1 May | ||||
102. | Starling | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (13 Apr) | 2 | 1 | 13 Apr | 13 Apr | ||||
103. | American Robin | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (10 Mar) | 2 | 1 | 10 Mar | 10 Mar | ||||
104. | American Buff-bellied Pipit | 0 | 3 | 0 | 0 | 3 | 3 | 0 | 1 (11 Mar) | 5 | 3 | 11 Mar | 18 Mar | ||||
105. | Red-winged Blackbird | 0 | 23 | 0 | 0 | 23 | 23 | 0 | 23 (12 Mar) | 2 | 1 | 12 Mar | 12 Mar | ||||
106. | Brown-headed Cowbird | 0 | 0 | 5 | 0 | 5 | 5 | 0 | 5 (13 Apr) | 2 | 1 | 13 Apr | 13 Apr | ||||
107. | Common Grackle | 0 | 2 | 28 | 0 | 30 | 28 | 2 | 12 (13 Apr) | 8 | 5 | 12 Mar | 26 Apr | ||||
108. | Indigo Bunting | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Apr) | 2 | 1 | 21 Apr | 21 Apr | ||||
Other species | |||||||||||||||||
Species | Feb | Mar | Apr | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
1. | Humpback whale | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 1 ( 4 Feb) | 3 | 2 | 4 Feb | 5 Feb | ||||
2. | whale sp. | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 8 Mar) | 2 | 1 | 8 Mar | 8 Mar | ||||
Species | Feb | Mar | Apr | May | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
Totals | 112537 | 82789 | 42681 | 2242 | 240249 | 10196 | 230053 | 100 | 61 | ||||||||
Observation hours | 85:30 | 96:24 | 70:00 | 10:00 | 261:54 |
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