Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
1. | Canada Goose | 0 | 14 | 5 | 19 | 0 | 19 | 8 (16 Apr) | 17 | 5 | 3 Apr | 14 May | ||||
2. | American Black Swift | 0 | 1 | 3 | 4 | 0 | 4 | 3 ( 7 May) | 7 | 2 | 27 Apr | 7 May | ||||
3. | Vaux's Swift | 0 | 1227 | 1439 | 2666 | 0 | 2666 | 1053 ( 7 May) | 40 | 12 | 16 Apr | 12 May | ||||
4. | White-throated Swift | 26 | 34 | 19 | 79 | 8 | 71 | 14 ( 3 Apr) | 57 | 17 | 17 Mar | 12 May | ||||
5. | Black-chinned Hummingbird | 0 | 8 | 2 | 10 | 0 | 10 | 3 (21 Apr) | 20 | 6 | 16 Apr | 8 May | ||||
6. | Anna's Hummingbird | 0 | 12 | 5 | 17 | 0 | 17 | 4 ( 7 Apr) | 27 | 8 | 2 Apr | 14 May | ||||
7. | Costa's Hummingbird | 0 | 17 | 26 | 43 | 0 | 43 | 5 (27 Apr) | 50 | 15 | 9 Apr | 14 May | ||||
8. | Calliope Hummingbird | 0 | 4 | 1 | 5 | 0 | 5 | 3 (16 Apr) | 10 | 3 | 16 Apr | 8 May | ||||
9. | Rufous Hummingbird | 24 | 76 | 2 | 102 | 0 | 102 | 16 (24 Mar) | 70 | 21 | 15 Mar | 1 May | ||||
10. | Allen's Hummingbird | 1 | 0 | 0 | 1 | 0 | 1 | 1 (15 Mar) | 3 | 1 | 15 Mar | 15 Mar | ||||
11. | hummingbird sp | 121 | 413 | 44 | 578 | 1 | 577 | 106 (16 Apr) | 93 | 28 | 15 Mar | 14 May | ||||
12. | hummingbird (Selasphorus) sp. | 0 | 6 | 0 | 6 | 0 | 6 | 5 (29 Apr) | 7 | 2 | 6 Apr | 29 Apr | ||||
13. | Feral Pigeon | 31 | 1 | 0 | 32 | 1 | 31 | 30 (17 Mar) | 10 | 3 | 17 Mar | 21 Apr | ||||
14. | dove (Columba) sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 (10 Apr) | 3 | 1 | 10 Apr | 10 Apr | ||||
15. | Band-tailed Pigeon | 182 | 610 | 183 | 975 | 14 | 961 | 71 (24 Mar) | 100 | 30 | 15 Mar | 14 May | ||||
16. | Eurasian Collared-Dove | 3 | 6 | 1 | 10 | 0 | 10 | 2 (24 Mar) | 23 | 7 | 20 Mar | 7 May | ||||
17. | Mourning Dove | 18 | 27 | 11 | 56 | 2 | 54 | 7 (19 Mar) | 67 | 20 | 15 Mar | 14 May | ||||
18. | Killdeer | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 3 May) | 3 | 1 | 3 May | 3 May | ||||
19. | Double-crested Cormorant | 61 | 2 | 0 | 63 | 3 | 60 | 58 (27 Mar) | 10 | 3 | 26 Mar | 27 Apr | ||||
20. | Great Blue Heron | 0 | 1 | 1 | 2 | 0 | 2 | 1 (28 Apr) | 7 | 2 | 28 Apr | 11 May | ||||
21. | Turkey Vulture | 68 | 26 | 9 | 103 | 0 | 103 | 17 (20 Mar) | 53 | 16 | 15 Mar | 12 May | ||||
22. | Osprey | 2 | 2 | 1 | 5 | 0 | 5 | 1 (17 Mar) | 17 | 5 | 17 Mar | 3 May | ||||
23. | Golden Eagle | 1 | 0 | 0 | 1 | 0 | 1 | 1 (26 Mar) | 3 | 1 | 26 Mar | 26 Mar | ||||
24. | Sharp-shinned Hawk | 1 | 3 | 0 | 4 | 0 | 4 | 1 (19 Mar) | 13 | 4 | 19 Mar | 21 Apr | ||||
25. | Cooper's Hawk | 0 | 2 | 2 | 4 | 0 | 4 | 1 ( 7 Apr) | 13 | 4 | 7 Apr | 11 May | ||||
26. | Unknown Accipiter | 0 | 1 | 0 | 1 | 0 | 1 | 1 (10 Apr) | 3 | 1 | 10 Apr | 10 Apr | ||||
27. | Bald Eagle | 1 | 1 | 0 | 2 | 0 | 2 | 1 (27 Mar) | 7 | 2 | 27 Mar | 9 Apr | ||||
28. | Red-shouldered Hawk | 0 | 1 | 0 | 1 | 0 | 1 | 1 (17 Apr) | 3 | 1 | 17 Apr | 17 Apr | ||||
29. | Swainson's Hawk | 75 | 1 | 3 | 79 | 0 | 79 | 72 (17 Mar) | 20 | 6 | 15 Mar | 12 May | ||||
30. | Red-tailed Hawk | 0 | 1 | 1 | 2 | 0 | 2 | 1 ( 7 Apr) | 7 | 2 | 7 Apr | 12 May | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
31. | Lewis's Woodpecker | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 3 Apr) | 3 | 1 | 3 Apr | 3 Apr | ||||
32. | Acorn Woodpecker | 2 | 13 | 5 | 20 | 1 | 19 | 5 (17 Apr) | 40 | 12 | 15 Mar | 14 May | ||||
33. | Nuttall's Woodpecker | 0 | 1 | 0 | 1 | 0 | 1 | 1 (30 Apr) | 3 | 1 | 30 Apr | 30 Apr | ||||
34. | Northern Flicker | 1 | 1 | 0 | 2 | 0 | 2 | 1 (26 Mar) | 7 | 2 | 26 Mar | 30 Apr | ||||
35. | American Kestrel | 5 | 3 | 2 | 10 | 0 | 10 | 3 (17 Mar) | 23 | 7 | 17 Mar | 11 May | ||||
36. | falcon sp. | 1 | 0 | 0 | 1 | 0 | 1 | 1 (22 Mar) | 3 | 1 | 22 Mar | 22 Mar | ||||
37. | Merlin | 3 | 1 | 0 | 4 | 0 | 4 | 2 (24 Mar) | 10 | 3 | 19 Mar | 9 Apr | ||||
38. | Peregrine Falcon | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 2 Apr) | 3 | 1 | 2 Apr | 2 Apr | ||||
39. | Black Phoebe | 0 | 2 | 0 | 2 | 1 | 1 | 1 (10 Apr) | 7 | 2 | 10 Apr | 21 Apr | ||||
40. | Say's Phoebe | 1 | 4 | 0 | 5 | 0 | 5 | 1 (15 Mar) | 17 | 5 | 15 Mar | 21 Apr | ||||
41. | Olive-sided Flycatcher | 0 | 4 | 5 | 9 | 0 | 9 | 2 (30 Apr) | 20 | 6 | 17 Apr | 11 May | ||||
42. | Western Wood Pewee | 0 | 6 | 14 | 20 | 0 | 20 | 5 ( 8 May) | 30 | 9 | 21 Apr | 14 May | ||||
43. | Hammond's Flycatcher | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 8 May) | 3 | 1 | 8 May | 8 May | ||||
44. | American Grey Flycatcher | 0 | 0 | 1 | 1 | 0 | 1 | 1 (11 May) | 3 | 1 | 11 May | 11 May | ||||
45. | Pacific-slope Flycatcher | 0 | 4 | 7 | 11 | 0 | 11 | 3 ( 1 May) | 23 | 7 | 20 Apr | 8 May | ||||
46. | Empidonax sp. | 0 | 4 | 2 | 6 | 0 | 6 | 2 (21 Apr) | 17 | 5 | 16 Apr | 7 May | ||||
47. | Cassin's Kingbird | 0 | 3 | 0 | 3 | 0 | 3 | 2 (10 Apr) | 7 | 2 | 7 Apr | 10 Apr | ||||
48. | Western Kingbird | 35 | 381 | 553 | 969 | 0 | 969 | 363 ( 1 May) | 93 | 28 | 19 Mar | 14 May | ||||
49. | kingbird sp. | 0 | 3 | 0 | 3 | 1 | 2 | 1 (17 Apr) | 10 | 3 | 17 Apr | 27 Apr | ||||
50. | Ash-throated Flycatcher | 0 | 31 | 22 | 53 | 0 | 53 | 9 (21 Apr) | 57 | 17 | 6 Apr | 14 May | ||||
51. | Warbling Vireo | 0 | 137 | 369 | 506 | 0 | 506 | 91 (30 Apr) | 43 | 13 | 16 Apr | 14 May | ||||
52. | Cassin's Vireo | 0 | 19 | 45 | 64 | 0 | 64 | 10 ( 1 May) | 47 | 14 | 9 Apr | 14 May | ||||
53. | American Crow | 0 | 2 | 0 | 2 | 0 | 2 | 2 ( 7 Apr) | 3 | 1 | 7 Apr | 7 Apr | ||||
54. | Common Raven | 0 | 2 | 0 | 2 | 0 | 2 | 2 ( 7 Apr) | 3 | 1 | 7 Apr | 7 Apr | ||||
55. | Cedar Waxwing | 106 | 160 | 235 | 501 | 21 | 480 | 76 ( 1 May) | 83 | 25 | 17 Mar | 14 May | ||||
56. | Phainopepla | 8 | 37 | 89 | 134 | 11 | 123 | 27 (12 May) | 57 | 17 | 20 Mar | 14 May | ||||
57. | Bank Swallow | 0 | 1 | 0 | 1 | 0 | 1 | 1 (28 Apr) | 3 | 1 | 28 Apr | 28 Apr | ||||
58. | Tree Swallow | 0 | 3 | 0 | 3 | 0 | 3 | 2 (21 Apr) | 7 | 2 | 16 Apr | 21 Apr | ||||
59. | Violet-green Swallow | 400 | 215 | 12 | 627 | 0 | 627 | 235 (27 Mar) | 67 | 20 | 15 Mar | 12 May | ||||
60. | Northern Rough-winged Swallow | 2 | 43 | 7 | 52 | 0 | 52 | 11 (27 Apr) | 40 | 12 | 17 Mar | 14 May | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
61. | Barn Swallow | 13 | 69 | 21 | 103 | 2 | 101 | 22 ( 7 Apr) | 50 | 15 | 24 Mar | 11 May | ||||
62. | Cliff Swallow | 126 | 176 | 70 | 372 | 0 | 372 | 87 (24 Mar) | 40 | 12 | 24 Mar | 7 May | ||||
63. | swalow sp. | 181 | 42 | 0 | 223 | 0 | 223 | 104 (27 Mar) | 27 | 8 | 15 Mar | 28 Apr | ||||
64. | American Bushtit | 18 | 0 | 4 | 22 | 0 | 22 | 10 (26 Mar) | 10 | 3 | 24 Mar | 7 May | ||||
65. | Yellow-browed Warbler | 0 | 110 | 0 | 110 | 0 | 110 | 110 (30 Apr) | 3 | 1 | 30 Apr | 30 Apr | ||||
66. | Blue-grey Gnatcatcher | 0 | 0 | 3 | 3 | 0 | 3 | 1 ( 1 May) | 10 | 3 | 1 May | 8 May | ||||
67. | White-breasted Nuthatch | 0 | 2 | 1 | 3 | 0 | 3 | 1 (17 Apr) | 10 | 3 | 17 Apr | 7 May | ||||
68. | Red-breasted Nuthatch | 0 | 18 | 16 | 34 | 0 | 34 | 15 (30 Apr) | 30 | 9 | 21 Apr | 12 May | ||||
69. | Northern Mockingbird | 0 | 1 | 0 | 1 | 0 | 1 | 1 (30 Apr) | 3 | 1 | 30 Apr | 30 Apr | ||||
70. | European Starling | 2 | 12 | 8 | 22 | 2 | 20 | 4 (28 Apr) | 37 | 11 | 15 Mar | 14 May | ||||
71. | Western Bluebird | 13 | 10 | 6 | 29 | 0 | 29 | 4 (24 Mar) | 50 | 15 | 17 Mar | 14 May | ||||
72. | Swainson's Thrush | 0 | 14 | 55 | 69 | 0 | 69 | 13 (11 May) | 33 | 10 | 28 Apr | 14 May | ||||
73. | American Robin | 558 | 82 | 0 | 640 | 0 | 640 | 89 (20 Mar) | 47 | 14 | 15 Mar | 16 Apr | ||||
74. | flycatcher sp. | 0 | 2 | 0 | 2 | 0 | 2 | 2 (21 Apr) | 3 | 1 | 21 Apr | 21 Apr | ||||
75. | sparrow sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 (20 Apr) | 3 | 1 | 20 Apr | 20 Apr | ||||
76. | finch sp. | 1 | 0 | 0 | 1 | 0 | 1 | 1 (24 Mar) | 3 | 1 | 24 Mar | 24 Mar | ||||
77. | Purple Finch | 25 | 2 | 0 | 27 | 0 | 27 | 15 (24 Mar) | 13 | 4 | 17 Mar | 7 Apr | ||||
78. | House Finch | 21 | 15 | 2 | 38 | 0 | 38 | 6 (17 Mar) | 37 | 11 | 15 Mar | 1 May | ||||
79. | Goldfinch | 0 | 2 | 0 | 2 | 0 | 2 | 2 ( 7 Apr) | 3 | 1 | 7 Apr | 7 Apr | ||||
80. | Lawrence's Goldfinch | 106 | 154 | 43 | 303 | 0 | 303 | 32 (15 Mar) | 90 | 27 | 15 Mar | 14 May | ||||
81. | American Goldfinch | 4 | 16 | 3 | 23 | 0 | 23 | 8 (27 Apr) | 30 | 9 | 15 Mar | 7 May | ||||
82. | Lesser Goldfinch | 300 | 355 | 89 | 744 | 7 | 737 | 69 (20 Mar) | 100 | 30 | 15 Mar | 14 May | ||||
83. | Pine Siskin | 14 | 140 | 48 | 202 | 0 | 202 | 37 ( 3 Apr) | 63 | 19 | 17 Mar | 14 May | ||||
84. | Lark Sparrow | 2 | 14 | 2 | 18 | 0 | 18 | 5 (21 Apr) | 27 | 8 | 27 Mar | 14 May | ||||
85. | Chipping Sparrow | 22 | 221 | 24 | 267 | 0 | 267 | 60 (21 Apr) | 63 | 19 | 15 Mar | 14 May | ||||
86. | Dark-eyed Junco | 28 | 0 | 1 | 29 | 0 | 29 | 20 (17 Mar) | 17 | 5 | 15 Mar | 14 May | ||||
87. | Dark-eyed Junco (Oregon) | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 6 Apr) | 3 | 1 | 6 Apr | 6 Apr | ||||
88. | White-crowned Sparrow | 3 | 0 | 1 | 4 | 0 | 4 | 3 (15 Mar) | 7 | 2 | 15 Mar | 11 May | ||||
89. | Golden-crowned Sparrow | 2 | 0 | 0 | 2 | 0 | 2 | 2 (17 Mar) | 3 | 1 | 17 Mar | 17 Mar | ||||
90. | Savannah Sparrow | 1 | 1 | 0 | 2 | 0 | 2 | 1 (27 Mar) | 7 | 2 | 27 Mar | 28 Apr | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
91. | Yellow-headed Blackbird | 0 | 0 | 3 | 3 | 0 | 3 | 3 (14 May) | 3 | 1 | 14 May | 14 May | ||||
92. | Western Meadowlark | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 7 May) | 3 | 1 | 7 May | 7 May | ||||
93. | Bullock's Oriole | 3 | 38 | 58 | 99 | 0 | 99 | 25 (11 May) | 73 | 22 | 20 Mar | 14 May | ||||
94. | Hooded Oriole | 2 | 39 | 18 | 59 | 0 | 59 | 7 (21 Apr) | 57 | 17 | 26 Mar | 14 May | ||||
95. | Red-winged Blackbird | 1 | 1 | 3 | 5 | 2 | 3 | 2 ( 7 May) | 13 | 4 | 27 Mar | 7 May | ||||
96. | Brown-headed Cowbird | 0 | 1 | 0 | 1 | 0 | 1 | 1 (27 Apr) | 3 | 1 | 27 Apr | 27 Apr | ||||
97. | Brewer's Blackbird | 0 | 1 | 0 | 1 | 0 | 1 | 1 (28 Apr) | 3 | 1 | 28 Apr | 28 Apr | ||||
98. | blackbird sp. | 0 | 1 | 1 | 2 | 0 | 2 | 1 (30 Apr) | 7 | 2 | 30 Apr | 14 May | ||||
99. | Great-tailed Grackle | 0 | 0 | 2 | 2 | 2 | 0 | 2 (11 May) | 3 | 1 | 11 May | 11 May | ||||
100. | Orange-crowned Warbler | 12 | 320 | 46 | 378 | 0 | 378 | 65 (16 Apr) | 90 | 27 | 17 Mar | 12 May | ||||
101. | Nashville Warbler | 0 | 361 | 4 | 365 | 1 | 364 | 86 (21 Apr) | 43 | 13 | 2 Apr | 8 May | ||||
102. | MacGillivray's Warbler | 0 | 3 | 3 | 6 | 0 | 6 | 2 (20 Apr) | 13 | 4 | 17 Apr | 7 May | ||||
103. | Yellow Warbler | 0 | 89 | 579 | 668 | 0 | 668 | 161 (14 May) | 43 | 13 | 3 Apr | 14 May | ||||
104. | Yellow-rumped Warbler | 1 | 0 | 0 | 1 | 0 | 1 | 1 (20 Mar) | 3 | 1 | 20 Mar | 20 Mar | ||||
105. | Yellow-rumped Warbler (Audubon's) | 756 | 475 | 23 | 1254 | 1 | 1253 | 182 (20 Mar) | 93 | 28 | 15 Mar | 11 May | ||||
106. | Black-throated Grey Warbler | 0 | 583 | 107 | 690 | 0 | 690 | 180 (30 Apr) | 63 | 19 | 2 Apr | 12 May | ||||
107. | Townsend's Warbler | 0 | 650 | 796 | 1446 | 0 | 1446 | 281 (30 Apr) | 63 | 19 | 3 Apr | 14 May | ||||
108. | Hermit Warbler | 0 | 638 | 335 | 973 | 0 | 973 | 257 (30 Apr) | 53 | 16 | 16 Apr | 14 May | ||||
109. | Wilson's Warbler | 0 | 167 | 295 | 462 | 0 | 462 | 69 ( 7 May) | 53 | 16 | 10 Apr | 14 May | ||||
110. | Western Tanager | 1 | 708 | 2826 | 3535 | 0 | 3535 | 915 (11 May) | 57 | 17 | 20 Mar | 14 May | ||||
111. | Black-headed Grosbeak | 0 | 179 | 326 | 505 | 0 | 505 | 111 (11 May) | 57 | 17 | 10 Apr | 14 May | ||||
112. | Blue Grosbeak | 0 | 1 | 1 | 2 | 0 | 2 | 1 (21 Apr) | 7 | 2 | 21 Apr | 11 May | ||||
113. | Lazuli Bunting | 0 | 2133 | 1042 | 3175 | 0 | 3175 | 520 (30 Apr) | 67 | 20 | 2 Apr | 14 May | ||||
114. | passerine sp. | 762 | 3890 | 3647 | 8299 | 9 | 8290 | 1312 (30 Apr) | 100 | 30 | 15 Mar | 14 May | ||||
115. | warbler sp. | 7 | 1504 | 1872 | 3383 | 0 | 3383 | 600 ( 7 May) | 80 | 24 | 17 Mar | 14 May | ||||
Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
Totals | 4164 | 16822 | 15513 | 36499 | 92 | 36407 | 100 | 30 | ||||||||
Observation hours | 31:45 | 68:54 | 24:43 | 125:22 |
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