BBS Route · Washington · BCR 9
Glacier Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 78 species recorded across 40 survey years, still active.
78Species Recorded
40Years Surveyed
1975–2024Span
6Observers
Bird Species Found on Washington Glacier
Top 40 of 78 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Pacific Wren | Troglodytidae | 53 | 2024 | +47% | 1977 | |
| American Robin | Turdidae | 52 | 2024 | +218% | 1977 | |
| Chestnut-backed Chickadee | Paridae | 44 | 2024 | +558% | 1977 | |
| Swainson's Thrush | Turdidae | 35 | 2024 | +35% | 1977 | |
| Western Tanager | Cardinalidae | 24 | 2024 | +917% | 1977 | |
| Hammond's Flycatcher | Tyrannidae | 24 | 2024 | +783% | 1978 | |
| Golden-crowned Kinglet | Regulidae | 22 | 2024 | +271% | 1977 | |
| Pine Siskin | Fringillidae | 21 | 2024 | +37% | 1977 | |
| MacGillivray's Warbler | Parulidae | 18 | 2024 | +156% | 1977 | |
| Varied Thrush | Turdidae | 17 | 2024 | -49% | 1977 | |
| Hermit Thrush | Turdidae | 14 | 2024 | +108% | 1978 | |
| Red-breasted Sapsucker | Picidae | 12 | 2024 | +0% | 1977 | |
| Common Raven | Corvidae | 12 | 2024 | +240% | 1983 | |
| Black Swift | Apodidae | 10 | 2022 | +180% | 1983 | |
| Black-throated Gray Warbler | Parulidae | 10 | 2024 | +210% | 1979 | |
| Steller's Jay | Corvidae | 9 | 2024 | +122% | 1978 | |
| Vaux's Swift | Apodidae | 9 | 2024 | +169% | 1978 | |
| Warbling Vireo | Vireonidae | 8 | 2024 | +111% | 1977 | |
| Townsend's Warbler | Parulidae | 8 | 2024 | -64% | 1977 | |
| Cedar Waxwing | Bombycillidae | 8 | 2024 | +525% | 1987 | |
| Brown Creeper | Certhiidae | 8 | 2024 | +140% | 1982 | |
| Song Sparrow | Passerellidae | 6 | 2024 | -7% | 1977 | |
| Red-breasted Nuthatch | Sittidae | 6 | 2024 | +200% | 1981 | |
| Black-headed Grosbeak | Cardinalidae | 6 | 2024 | +129% | 1980 | |
| American Crow | Corvidae | 5 | 2024 | +40% | 1977 | |
| Cliff Swallow | Hirundinidae | 4 | 1996 | +0% | 1989 | |
| Canada Jay | Corvidae | 3 | 2024 | -13% | 1977 | |
| Wilson's Warbler | Parulidae | 3 | 2024 | -4% | 1977 | |
| Yellow Warbler | Parulidae | 3 | 2024 | +333% | 1993 | |
| Pileated Woodpecker | Picidae | 3 | 2024 | +133% | 1993 | |
| Band-tailed Pigeon | Columbidae | 3 | 2024 | +160% | 2007 | |
| Violet-green Swallow | Hirundinidae | 3 | 2024 | -21% | 1994 | |
| House Finch | Fringillidae | 3 | 1998 | n/a | n/a | |
| Red-tailed Hawk | Accipitridae | 2 | 2023 | +33% | 1986 | |
| Willow Flycatcher | Tyrannidae | 2 | 2024 | +40% | 1977 | |
| Red Crossbill | Fringillidae | 2 | 2024 | +93% | 1984 | |
| Orange-crowned Warbler | Parulidae | 2 | 2021 | +0% | 1977 | |
| Red-winged Blackbird | Icteridae | 2 | 1986 | +100% | 1976 | |
| Red-eyed Vireo | Vireonidae | 2 | 2001 | +150% | 1989 | |
| Western Wood-Pewee | Tyrannidae | 2 | 2024 | +50% | 1991 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.