Table 4.
Species | WNV − spring | WNV + spring | WNV − summer | WNV + summer | Grand total |
---|---|---|---|---|---|
Bank Swallow | 1 | 1 | |||
Black-throated Gray Warbler | 1 | 1 | |||
California Gull | 8 | 1 | 9 | ||
Common Nighthawk | 3 | 1 | 4 | ||
Flamingo† | 1 | 1 | |||
Merlin | 1 | 1 | |||
Peregrine Falcon | 1 | 1 | |||
Townsend's Warbler | 7 | 1 | 8 | ||
Tree Swallow | 7 | 1 | 8 | ||
Virginia Rail | 11 | 1 | 12 | ||
Warbling Vireo | 5 | 1 | 6 | ||
Willow Flycatcher | 1 | 1 | 2 | ||
Hooded Oriole | 20 | 2 | 22 | ||
Lesser Nighthawk | 5 | 2 | 7 | ||
Sora | 12 | 2 | 14 | ||
Western Kingbird | 27 | 2 | 29 | ||
Western Sandpiper | 3 | 2 | 5 | ||
Common Yellowthroat | 3 | 3 | 6 | ||
Hermit Thrush | 24 | 3 | 27 | ||
House Wren | 8 | 3 | 11 | ||
Osprey | 1 | 3 | 4 | ||
Barn Swallow | 19 | 1 | 25 | 4 | 49 |
Bullock's Oriole | 13 | 4 | 17 | ||
Cliff Swallow | 18 | 1 | 20 | 4 | 43 |
Orange-Crowned Warbler | 13 | 4 | 17 | ||
Wilson's Warbler | 17 | 4 | 21 | ||
Band-tailed Pigeon | 15 | 5 | 20 | ||
Swainson's Hawk | 12 | 5 | 17 | ||
Yellow Warbler | 23 | 6 | 29 | ||
Rufous Hummingbird | 9 | 7 | 16 | ||
Swainson's Thrush | 55 | 7 | 62 | ||
Black-headed Grosbeak | 106 | 17 | 123 | ||
Western Tanager | 30 | 1 | 56 | 22 | 109 |
22 WNV neg. species summer | 46 | 46 | |||
43 WNV neg. species spring | 361 | 361 | |||
Grand total | 428 | 3 | 555 | 123 | 1109 |
Dead birds turned in to the California dead bird program 2003–2007 and tested for West Nile virus (WNV). Only birds that tested positive for WNV at least once were included in the table. The spring period is March 1–June 15 and summer period is June 16–September 30.
Exact species unknown.