BBS Route · California · BCR 9
Dorris Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 141 species recorded across 47 survey years, still active.
141Species Recorded
47Years Surveyed
1972–2019Span
3Observers
Bird Species Found on California Dorris
Top 40 of 141 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 1952 | 2019 | 12× | 1974 | |
| Cliff Swallow | Hirundinidae | 1916 | 2019 | +605% | 1974 | |
| Yellow-headed Blackbird | Icteridae | 756 | 2019 | 27× | 1977 | |
| Brewer's Blackbird | Icteridae | 646 | 2019 | +206% | 1974 | |
| White-faced Ibis | Threskiornithidae | 339 | 2019 | +241% | 1990 | |
| Ring-billed Gull | Laridae | 276 | 2019 | +456% | 1974 | |
| American Coot | Rallidae | 230 | 2019 | +783% | 1974 | |
| Tricolored Blackbird | Icteridae | 215 | 2007 | +673% | 1977 | |
| Gadwall | Anatidae | 212 | 2019 | 19× | 1974 | |
| Brown-headed Cowbird | Icteridae | 200 | 2019 | 27× | 1974 | |
| House Finch | Fringillidae | 181 | 2019 | 13× | 1974 | |
| Mallard | Anatidae | 159 | 2019 | +230% | 1974 | |
| European Starling | Sturnidae | 137 | 2019 | +361% | 1974 | |
| House Sparrow | Passeridae | 105 | 2019 | +104% | 1974 | |
| Cinnamon Teal | Anatidae | 84 | 2019 | +196% | 1974 | |
| Song Sparrow | Passerellidae | 84 | 2019 | 15× | 1978 | |
| Marsh Wren | Troglodytidae | 76 | 2019 | +313% | 1974 | |
| Double-crested Cormorant | Phalacrocoracidae | 72 | 2019 | +169% | 1974 | |
| Forster's Tern | Laridae | 68 | 2019 | +244% | 1974 | |
| Western Meadowlark | Icteridae | 66 | 2019 | -7% | 1974 | |
| Redhead | Anatidae | 56 | 2019 | +236% | 1974 | |
| Western Grebe | Podicipedidae | 56 | 2019 | -44% | 1988 | |
| Black-necked Stilt | Recurvirostridae | 53 | 2019 | +189% | 1974 | |
| Eurasian Collared-Dove | Columbidae | 51 | 2019 | 18× | 2011 | |
| Eared Grebe | Podicipedidae | 50 | 2019 | +818% | 1974 | |
| Willet | Scolopacidae | 50 | 2019 | +507% | 1974 | |
| Barn Swallow | Hirundinidae | 47 | 2019 | +10% | 1974 | |
| Great Egret | Ardeidae | 44 | 2019 | +910% | 1975 | |
| Killdeer | Charadriidae | 42 | 2019 | +49% | 1974 | |
| Ring-necked Pheasant | Phasianidae | 42 | 2019 | +32% | 1974 | |
| California Quail | Odontophoridae | 41 | 2019 | +418% | 1974 | |
| Black-crowned Night Heron | Ardeidae | 39 | 2019 | +570% | 1974 | |
| Savannah Sparrow | Passerellidae | 38 | 2019 | +79% | 1974 | |
| American Robin | Turdidae | 32 | 2019 | +222% | 1974 | |
| California Gull | Laridae | 31 | 2019 | -82% | 1974 | |
| Common Raven | Corvidae | 31 | 2019 | 17× | 1985 | |
| Red-tailed Hawk | Accipitridae | 29 | 2019 | 20× | 1974 | |
| Canada Goose | Anatidae | 28 | 2019 | +78% | 1974 | |
| Mourning Dove | Columbidae | 27 | 2019 | +119% | 1974 | |
| American White Pelican | Pelecanidae | 26 | 2019 | +93% | 1974 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.