BBS Route · Washington · BCR 10
Twin Lakes Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 120 species recorded across 32 survey years, still active.
120Species Recorded
32Years Surveyed
1983–2024Span
3Observers
Bird Species Found on Washington Twin Lakes
Top 40 of 120 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Pine Siskin | Fringillidae | 52 | 2024 | -9% | 1985 | |
| Swainson's Thrush | Turdidae | 36 | 2024 | +60% | 1985 | |
| Red-breasted Nuthatch | Sittidae | 29 | 2024 | -33% | 1985 | |
| Western Tanager | Cardinalidae | 24 | 2024 | +345% | 1985 | |
| Hermit Thrush | Turdidae | 23 | 1993 | +213% | 1988 | |
| Warbling Vireo | Vireonidae | 18 | 2024 | +456% | 1985 | |
| American Robin | Turdidae | 13 | 2024 | -45% | 1985 | |
| Mountain Chickadee | Paridae | 12 | 2024 | -29% | 1985 | |
| Chipping Sparrow | Passerellidae | 11 | 2024 | -86% | 1985 | |
| Veery | Turdidae | 11 | 2024 | -20% | 1985 | |
| Golden-crowned Kinglet | Regulidae | 11 | 2024 | +56% | 1990 | |
| Townsend's Warbler | Parulidae | 11 | 2024 | +55% | 1988 | |
| Spotted Towhee | Passerellidae | 10 | 2024 | +18% | 1985 | |
| Song Sparrow | Passerellidae | 9 | 2024 | -24% | 1985 | |
| Yellow Warbler | Parulidae | 9 | 2024 | -60% | 1985 | |
| Common Raven | Corvidae | 8 | 2024 | -32% | 1985 | |
| MacGillivray's Warbler | Parulidae | 8 | 2024 | -5% | 1985 | |
| Orange-crowned Warbler | Parulidae | 7 | 2024 | -35% | 1986 | |
| Western Wood-Pewee | Tyrannidae | 6 | 2024 | +86% | 1985 | |
| Red-eyed Vireo | Vireonidae | 6 | 2024 | -10% | 1986 | |
| Nashville Warbler | Parulidae | 6 | 2024 | +11% | 1988 | |
| Cassin's Finch | Fringillidae | 5 | 2024 | -43% | 1985 | |
| Black-capped Chickadee | Paridae | 5 | 2024 | -59% | 1985 | |
| Vaux's Swift | Apodidae | 5 | 1990 | n/a | n/a | |
| Dusky Flycatcher | Tyrannidae | 4 | 2024 | -44% | 1985 | |
| European Starling | Sturnidae | 4 | 2022 | +0% | 1986 | |
| Brown-headed Cowbird | Icteridae | 4 | 2024 | -53% | 1986 | |
| Cassin's Vireo | Vireonidae | 4 | 2024 | +333% | 1988 | |
| Hooded Merganser | Anatidae | 4 | 1999 | n/a | n/a | |
| Calliope Hummingbird | Trochilidae | 3 | 1985 | -67% | 1983 | |
| Hammond's Flycatcher | Tyrannidae | 3 | 2024 | -61% | 1985 | |
| Cliff Swallow | Hirundinidae | 3 | 2015 | +50% | 1986 | |
| Tree Swallow | Hirundinidae | 3 | 2024 | -57% | 1986 | |
| Violet-green Swallow | Hirundinidae | 3 | 2022 | +0% | 1987 | |
| Killdeer | Charadriidae | 3 | 2024 | -29% | 1986 | |
| Common Yellowthroat | Parulidae | 3 | 2022 | +125% | 2006 | |
| Turkey Vulture | Cathartidae | 2 | 2024 | +67% | 2003 | |
| Western Kingbird | Tyrannidae | 2 | 2010 | +0% | 1986 | |
| Steller's Jay | Corvidae | 2 | 2022 | -55% | 1985 | |
| Red Crossbill | Fringillidae | 2 | 2024 | -46% | 1986 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.