BBS Route · Washington · BCR 9
Ardenvoir Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 97 species recorded across 12 survey years, no longer active.
97Species Recorded
12Years Surveyed
1968–1987Span
3Observers
Bird Species Found on Washington Ardenvoir
Top 40 of 97 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| American Robin | Turdidae | 30 | 1987 | -40% | 1970 | |
| Spotted Towhee | Passerellidae | 24 | 1987 | +148% | 1970 | |
| Brown-headed Cowbird | Icteridae | 23 | 1987 | +308% | 1971 | |
| Veery | Turdidae | 19 | 1987 | +111% | 1970 | |
| Yellow Warbler | Parulidae | 17 | 1987 | +300% | 1972 | |
| Black-headed Grosbeak | Cardinalidae | 15 | 1987 | +208% | 1972 | |
| Western Wood-Pewee | Tyrannidae | 14 | 1987 | +178% | 1970 | |
| Western Tanager | Cardinalidae | 13 | 1987 | +580% | 1973 | |
| Brewer's Blackbird | Icteridae | 12 | 1987 | -75% | 1970 | |
| House Finch | Fringillidae | 12 | 1987 | +100% | 1973 | |
| Purple Finch | Fringillidae | 11 | 1972 | +357% | 1969 | |
| Chipping Sparrow | Passerellidae | 11 | 1987 | +413% | 1970 | |
| Cliff Swallow | Hirundinidae | 11 | 1987 | +100% | 1971 | |
| Cassin's Finch | Fringillidae | 11 | 1987 | +33% | 1982 | |
| Dusky Flycatcher | Tyrannidae | 10 | 1987 | +900% | 1973 | |
| Song Sparrow | Passerellidae | 9 | 1987 | +340% | 1970 | |
| Mourning Dove | Columbidae | 8 | 1987 | -68% | 1970 | |
| Barn Swallow | Hirundinidae | 8 | 1987 | +350% | 1971 | |
| White-breasted Nuthatch | Sittidae | 8 | 1969 | n/a | n/a | |
| Ring-billed Gull | Laridae | 7 | 1986 | +167% | 1983 | |
| Warbling Vireo | Vireonidae | 7 | 1987 | +250% | 1983 | |
| Willow Flycatcher | Tyrannidae | 6 | 1987 | -26% | 1970 | |
| Cedar Waxwing | Bombycillidae | 6 | 1987 | +38% | 1983 | |
| Steller's Jay | Corvidae | 5 | 1986 | +22% | 1970 | |
| Western Meadowlark | Icteridae | 5 | 1987 | +30% | 1970 | |
| House Sparrow | Passeridae | 5 | 1987 | -47% | 1970 | |
| Red-tailed Hawk | Accipitridae | 4 | 1985 | +150% | 1969 | |
| Western Kingbird | Tyrannidae | 4 | 1987 | -23% | 1970 | |
| Black-billed Magpie | Corvidae | 4 | 1987 | +71% | 1970 | |
| Northern Rough-winged Swallow | Hirundinidae | 4 | 1987 | -67% | 1970 | |
| Marsh Wren | Troglodytidae | 4 | 1968 | n/a | n/a | |
| Black-capped Chickadee | Paridae | 4 | 1987 | -50% | 1970 | |
| Sharp-tailed Grouse | Phasianidae | 4 | 1969 | n/a | n/a | |
| Mountain Chickadee | Paridae | 4 | 1987 | -11% | 1973 | |
| Hairy Woodpecker | Picidae | 3 | 1973 | -20% | 1970 | |
| Common Nighthawk | Caprimulgidae | 3 | 1987 | +200% | 1969 | |
| Say's Phoebe | Tyrannidae | 3 | 1986 | +100% | 1971 | |
| Bullock's Oriole | Icteridae | 3 | 1987 | +7% | 1970 | |
| Yellow-breasted Chat | Icteriidae | 3 | 1987 | -23% | 1970 | |
| European Starling | Sturnidae | 3 | 1987 | -29% | 1971 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.