BBS Route · Oregon · BCR 9
Blizzard Gap Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 109 species recorded across 37 survey years, still active.
109Species Recorded
37Years Surveyed
1984–2024Span
7Observers
Bird Species Found on Oregon Blizzard Gap
Top 40 of 109 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Brewer's Sparrow | Passerellidae | 60 | 2024 | -62% | 1987 | |
| European Starling | Sturnidae | 50 | 2024 | -22% | 1988 | |
| Sage Thrasher | Mimidae | 44 | 2024 | -60% | 1987 | |
| Rock Wren | Troglodytidae | 33 | 2024 | -43% | 1987 | |
| Western Meadowlark | Icteridae | 31 | 2024 | -29% | 1987 | |
| Cliff Swallow | Hirundinidae | 23 | 2024 | -39% | 1987 | |
| Horned Lark | Alaudidae | 20 | 2024 | -70% | 1987 | |
| Red-winged Blackbird | Icteridae | 20 | 2024 | -53% | 1988 | |
| Cinnamon Teal | Anatidae | 17 | 2023 | -14% | 1987 | |
| Ring-billed Gull | Laridae | 17 | 2024 | -15% | 1988 | |
| Black Tern | Laridae | 12 | 2005 | -12% | 2001 | |
| Mourning Dove | Columbidae | 10 | 2024 | +6% | 1987 | |
| Sagebrush Sparrow | Passerellidae | 10 | 2024 | -48% | 1987 | |
| Lesser Scaup | Anatidae | 10 | 2017 | +11% | 1995 | |
| Ruddy Duck | Anatidae | 9 | 2023 | -7% | 1998 | |
| White-faced Ibis | Threskiornithidae | 9 | 2024 | +63% | 1997 | |
| American Coot | Rallidae | 8 | 2024 | +7% | 1987 | |
| Common Raven | Corvidae | 8 | 2024 | -56% | 1987 | |
| Brown-headed Cowbird | Icteridae | 8 | 2024 | -31% | 1988 | |
| Black-necked Stilt | Recurvirostridae | 8 | 2023 | +125% | 1997 | |
| Forster's Tern | Laridae | 7 | 2023 | -81% | 1989 | |
| Redhead | Anatidae | 7 | 2023 | -61% | 1989 | |
| Yellow-headed Blackbird | Icteridae | 7 | 2024 | -18% | 1987 | |
| Green-winged Teal | Anatidae | 7 | 2004 | +250% | 1985 | |
| House Sparrow | Passeridae | 7 | 2022 | +57% | 2001 | |
| Turkey Vulture | Cathartidae | 6 | 2024 | +175% | 1987 | |
| Gray Flycatcher | Tyrannidae | 6 | 2024 | -33% | 1987 | |
| Pine Siskin | Fringillidae | 6 | 1984 | n/a | n/a | |
| Barn Swallow | Hirundinidae | 6 | 2023 | -19% | 1987 | |
| Cedar Waxwing | Bombycillidae | 6 | 1998 | n/a | n/a | |
| Brewer's Blackbird | Icteridae | 5 | 2024 | -77% | 1987 | |
| Black-throated Sparrow | Passerellidae | 5 | 2024 | -36% | 1987 | |
| Tree Swallow | Hirundinidae | 5 | 1990 | -59% | 1985 | |
| Rock Pigeon | Columbidae | 5 | 2024 | +38% | 2003 | |
| Canyon Wren | Troglodytidae | 5 | 2024 | +75% | 2015 | |
| Gadwall | Anatidae | 4 | 2023 | +36% | 1988 | |
| Canada Goose | Anatidae | 4 | 2022 | +292% | 1987 | |
| Dusky Flycatcher | Tyrannidae | 4 | 1989 | +300% | 1984 | |
| Vesper Sparrow | Passerellidae | 4 | 2024 | -61% | 1987 | |
| American Wigeon | Anatidae | 4 | 1994 | -56% | 1985 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.