BBS Route · Washington · BCR 9
Cascade Riv Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 67 species recorded across 18 survey years, no longer active.
67Species Recorded
18Years Surveyed
1988–2006Span
1Observers
Bird Species Found on Washington Cascade Riv
Top 40 of 67 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| American Robin | Turdidae | 83 | 2006 | +63% | 1990 | |
| Pacific Wren | Troglodytidae | 33 | 2006 | -35% | 1990 | |
| Swainson's Thrush | Turdidae | 25 | 2006 | +19% | 1990 | |
| Varied Thrush | Turdidae | 21 | 2006 | -52% | 1990 | |
| Western Tanager | Cardinalidae | 20 | 2006 | +650% | 1991 | |
| Townsend's Warbler | Parulidae | 10 | 2006 | -24% | 1990 | |
| MacGillivray's Warbler | Parulidae | 9 | 2006 | +325% | 1990 | |
| Warbling Vireo | Vireonidae | 9 | 2006 | +125% | 1991 | |
| Red Crossbill | Fringillidae | 8 | 2000 | +500% | 1990 | |
| Steller's Jay | Corvidae | 6 | 2006 | -31% | 1990 | |
| Red-breasted Sapsucker | Picidae | 5 | 2006 | +200% | 1990 | |
| Song Sparrow | Passerellidae | 5 | 2006 | +83% | 1990 | |
| Yellow Warbler | Parulidae | 5 | 2006 | -15% | 1991 | |
| Chestnut-backed Chickadee | Paridae | 5 | 2006 | -39% | 1990 | |
| Golden-crowned Kinglet | Regulidae | 5 | 2006 | -83% | 1990 | |
| Hammond's Flycatcher | Tyrannidae | 4 | 2006 | +29% | 1991 | |
| Willow Flycatcher | Tyrannidae | 4 | 2006 | +60% | 1993 | |
| Sooty Grouse | Phasianidae | 3 | 2006 | +33% | 1990 | |
| Spotted Towhee | Passerellidae | 3 | 2006 | +400% | 1992 | |
| Violet-green Swallow | Hirundinidae | 3 | 2006 | -67% | 1990 | |
| Common Nighthawk | Caprimulgidae | 3 | 2006 | +325% | 1991 | |
| Black-throated Gray Warbler | Parulidae | 3 | 2006 | -59% | 1991 | |
| Mourning Dove | Columbidae | 3 | 1996 | n/a | n/a | |
| Hairy Woodpecker | Picidae | 2 | 2006 | +40% | 1993 | |
| Vaux's Swift | Apodidae | 2 | 2006 | -25% | 1990 | |
| Rufous Hummingbird | Trochilidae | 2 | 2006 | -64% | 1990 | |
| Western Wood-Pewee | Tyrannidae | 2 | 2006 | +0% | 1991 | |
| American Crow | Corvidae | 2 | 2006 | -78% | 1990 | |
| Purple Finch | Fringillidae | 2 | 2002 | +0% | 1989 | |
| Cedar Waxwing | Bombycillidae | 2 | 2005 | -50% | 1990 | |
| Olive-sided Flycatcher | Tyrannidae | 2 | 2006 | +20% | 1991 | |
| Common Raven | Corvidae | 2 | 2006 | +233% | 1991 | |
| Evening Grosbeak | Fringillidae | 2 | 2004 | -50% | 1995 | |
| Black Swift | Apodidae | 2 | 2003 | -55% | 1994 | |
| European Starling | Sturnidae | 2 | 2002 | -60% | 1990 | |
| Black-headed Grosbeak | Cardinalidae | 2 | 2006 | +150% | 1995 | |
| Tree Swallow | Hirundinidae | 2 | 1996 | n/a | n/a | |
| Brewer's Blackbird | Icteridae | 2 | 2002 | n/a | n/a | |
| Mallard | Anatidae | 1 | 1988 | n/a | n/a | |
| Nashville Warbler | Parulidae | 1 | 2002 | -60% | 1989 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.