BBS Route · Washington · BCR 5
Mendota Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 94 species recorded across 12 survey years, no longer active.
94Species Recorded
12Years Surveyed
1977–1988Span
1Observers
Bird Species Found on Washington Mendota
Top 40 of 94 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| European Starling | Sturnidae | 159 | 1988 | +46% | 1979 | |
| Red-winged Blackbird | Icteridae | 112 | 1988 | +313% | 1979 | |
| American Crow | Corvidae | 64 | 1988 | +122% | 1979 | |
| Cliff Swallow | Hirundinidae | 48 | 1988 | -55% | 1979 | |
| Song Sparrow | Passerellidae | 47 | 1988 | +68% | 1979 | |
| American Robin | Turdidae | 47 | 1988 | +7% | 1979 | |
| Swainson's Thrush | Turdidae | 45 | 1988 | +60% | 1979 | |
| Wilson's Warbler | Parulidae | 27 | 1988 | +204% | 1979 | |
| Willow Flycatcher | Tyrannidae | 25 | 1988 | +43% | 1979 | |
| American Goldfinch | Fringillidae | 22 | 1988 | +56% | 1979 | |
| White-crowned Sparrow | Passerellidae | 18 | 1988 | +121% | 1979 | |
| Common Yellowthroat | Parulidae | 16 | 1988 | +127% | 1979 | |
| Savannah Sparrow | Passerellidae | 15 | 1988 | +37% | 1979 | |
| Chipping Sparrow | Passerellidae | 14 | 1988 | +60% | 1979 | |
| Golden-crowned Kinglet | Regulidae | 14 | 1988 | -41% | 1979 | |
| Violet-green Swallow | Hirundinidae | 13 | 1988 | +132% | 1979 | |
| Black-capped Chickadee | Paridae | 11 | 1988 | +100% | 1980 | |
| Brown-headed Cowbird | Icteridae | 9 | 1988 | +42% | 1979 | |
| Pacific Wren | Troglodytidae | 9 | 1988 | -12% | 1979 | |
| Spotted Towhee | Passerellidae | 8 | 1988 | +360% | 1979 | |
| Rufous Hummingbird | Trochilidae | 6 | 1988 | +71% | 1980 | |
| Steller's Jay | Corvidae | 6 | 1988 | +250% | 1979 | |
| Barn Swallow | Hirundinidae | 6 | 1988 | -62% | 1979 | |
| Cedar Waxwing | Bombycillidae | 6 | 1988 | +29% | 1979 | |
| Purple Finch | Fringillidae | 6 | 1988 | +111% | 1981 | |
| Pine Siskin | Fringillidae | 5 | 1984 | +70% | 1979 | |
| Black-headed Grosbeak | Cardinalidae | 5 | 1988 | +62% | 1979 | |
| California Gull | Laridae | 5 | 1980 | n/a | n/a | |
| Rock Pigeon | Columbidae | 5 | 1988 | -40% | 1985 | |
| Hooded Merganser | Anatidae | 5 | 1988 | n/a | n/a | |
| Chestnut-backed Chickadee | Paridae | 4 | 1988 | +329% | 1979 | |
| Mourning Dove | Columbidae | 4 | 1986 | +300% | 1982 | |
| Sora | Rallidae | 3 | 1977 | n/a | n/a | |
| Brewer's Blackbird | Icteridae | 3 | 1988 | -47% | 1979 | |
| Western Tanager | Cardinalidae | 3 | 1988 | +14% | 1982 | |
| Orange-crowned Warbler | Parulidae | 3 | 1988 | -63% | 1979 | |
| Black-throated Gray Warbler | Parulidae | 3 | 1988 | +122% | 1980 | |
| Bushtit | Aegithalidae | 3 | 1988 | -27% | 1980 | |
| Hermit Thrush | Turdidae | 3 | 1988 | +13% | 1980 | |
| Ring-necked Pheasant | Phasianidae | 3 | 1988 | +33% | 1983 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.