BBS Route · Washington · BCR 9
Brewster Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 113 species recorded across 40 survey years, still active.
113Species Recorded
40Years Surveyed
1977–2018Span
6Observers
Bird Species Found on Washington Brewster
Top 40 of 113 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Cliff Swallow | Hirundinidae | 49 | 2018 | -77% | 1979 | |
| Gadwall | Anatidae | 35 | 2018 | +543% | 1986 | |
| Bufflehead | Anatidae | 22 | 2008 | +200% | 2000 | |
| Ring-billed Gull | Laridae | 19 | 2011 | -28% | 1979 | |
| California Quail | Odontophoridae | 18 | 2015 | -7% | 1979 | |
| Red-winged Blackbird | Icteridae | 16 | 2018 | +119% | 1979 | |
| American Coot | Rallidae | 14 | 2018 | +46% | 1979 | |
| Mallard | Anatidae | 13 | 2018 | -42% | 1979 | |
| Eastern Kingbird | Tyrannidae | 12 | 2015 | +11% | 1979 | |
| American Goldfinch | Fringillidae | 12 | 2018 | +657% | 1979 | |
| Redhead | Anatidae | 12 | 2018 | +940% | 1982 | |
| Northern Shoveler | Anatidae | 11 | 2014 | +533% | 1980 | |
| Mourning Dove | Columbidae | 11 | 2018 | -5% | 1979 | |
| American White Pelican | Pelecanidae | 11 | 2009 | n/a | n/a | |
| Rock Pigeon | Columbidae | 10 | 2018 | +77% | 1979 | |
| Brewer's Blackbird | Icteridae | 9 | 2018 | -79% | 1979 | |
| House Finch | Fringillidae | 8 | 2015 | +258% | 1979 | |
| Barn Swallow | Hirundinidae | 8 | 2018 | +156% | 1979 | |
| Common Raven | Corvidae | 8 | 2018 | +50% | 1981 | |
| Lesser Scaup | Anatidae | 8 | 2014 | -48% | 1984 | |
| Canvasback | Anatidae | 8 | 2012 | +57% | 1997 | |
| Canada Goose | Anatidae | 7 | 2018 | -35% | 1980 | |
| Horned Lark | Alaudidae | 7 | 2018 | -33% | 1979 | |
| Tree Swallow | Hirundinidae | 7 | 2014 | 33× | 1991 | |
| Black-crowned Night Heron | Ardeidae | 7 | 1986 | n/a | n/a | |
| Eurasian Collared-Dove | Columbidae | 7 | 2014 | -10% | 2012 | |
| Ruddy Duck | Anatidae | 6 | 2018 | -17% | 1982 | |
| Pied-billed Grebe | Podicipedidae | 6 | 2018 | +367% | 1983 | |
| Western Kingbird | Tyrannidae | 5 | 2018 | -39% | 1979 | |
| Yellow-headed Blackbird | Icteridae | 5 | 2018 | +571% | 1980 | |
| Vesper Sparrow | Passerellidae | 5 | 2018 | -56% | 1979 | |
| Sora | Rallidae | 5 | 2000 | n/a | n/a | |
| Common Goldeneye | Anatidae | 5 | 2004 | n/a | n/a | |
| Blue-winged Teal | Anatidae | 4 | 2018 | -85% | 1980 | |
| European Starling | Sturnidae | 4 | 2018 | +0% | 1979 | |
| Brown-headed Cowbird | Icteridae | 4 | 2015 | -41% | 1979 | |
| Western Meadowlark | Icteridae | 4 | 2018 | -47% | 1979 | |
| Lark Sparrow | Passerellidae | 4 | 2015 | -14% | 1980 | |
| Western Wood-Pewee | Tyrannidae | 4 | 2015 | +143% | 1991 | |
| American Crow | Corvidae | 4 | 2014 | +213% | 1982 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.