BBS Route · Oregon · BCR 5
Tualatin Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 99 species recorded across 44 survey years, still active.
99Species Recorded
44Years Surveyed
1968–2024Span
6Observers
Bird Species Found on Oregon Tualatin
Top 40 of 99 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| American Crow | Corvidae | 82 | 2024 | +93% | 1970 | |
| Song Sparrow | Passerellidae | 64 | 2024 | -8% | 1971 | |
| American Robin | Turdidae | 60 | 2024 | -54% | 1970 | |
| House Finch | Fringillidae | 56 | 2024 | -17% | 1970 | |
| Lesser Goldfinch | Fringillidae | 51 | 2024 | 25× | 1995 | |
| Spotted Towhee | Passerellidae | 35 | 2024 | -31% | 1970 | |
| European Starling | Sturnidae | 23 | 2024 | +0% | 1970 | |
| Black-capped Chickadee | Paridae | 23 | 2024 | -34% | 1970 | |
| Red-breasted Nuthatch | Sittidae | 17 | 2024 | +169% | 1986 | |
| Bushtit | Aegithalidae | 16 | 2024 | +15% | 1971 | |
| Violet-green Swallow | Hirundinidae | 15 | 2024 | -48% | 1970 | |
| Bewick's Wren | Troglodytidae | 12 | 2024 | +329% | 1971 | |
| California Scrub-Jay | Corvidae | 7 | 2024 | -4% | 1970 | |
| Brown-headed Cowbird | Icteridae | 6 | 2024 | -89% | 1970 | |
| Common Raven | Corvidae | 6 | 2022 | n/a | n/a | |
| Band-tailed Pigeon | Columbidae | 5 | 2024 | -82% | 1970 | |
| Pine Siskin | Fringillidae | 5 | 2024 | -69% | 1973 | |
| Purple Finch | Fringillidae | 5 | 2024 | +150% | 1971 | |
| Mourning Dove | Columbidae | 4 | 2024 | -48% | 1970 | |
| Steller's Jay | Corvidae | 4 | 2024 | -67% | 1970 | |
| Brewer's Blackbird | Icteridae | 4 | 2018 | -91% | 1970 | |
| American Goldfinch | Fringillidae | 4 | 2024 | -64% | 1970 | |
| Black-headed Grosbeak | Cardinalidae | 4 | 2024 | -69% | 1970 | |
| Cliff Swallow | Hirundinidae | 4 | 2024 | +100% | 1972 | |
| Tree Swallow | Hirundinidae | 4 | 2006 | +70% | 1992 | |
| Red Crossbill | Fringillidae | 4 | 2024 | -73% | 2012 | |
| Canada Goose | Anatidae | 4 | 2024 | +84% | 2012 | |
| White-crowned Sparrow | Passerellidae | 3 | 2024 | -59% | 1970 | |
| Cedar Waxwing | Bombycillidae | 3 | 2024 | -33% | 1971 | |
| Savannah Sparrow | Passerellidae | 3 | 2022 | +60% | 1972 | |
| Northern Bobwhite | Odontophoridae | 2 | 1968 | n/a | n/a | |
| Ring-necked Pheasant | Phasianidae | 2 | 2001 | -90% | 1970 | |
| Turkey Vulture | Cathartidae | 2 | 2021 | +33% | 2001 | |
| Western Wood-Pewee | Tyrannidae | 2 | 2024 | -67% | 1970 | |
| Pacific Wren | Troglodytidae | 2 | 2022 | +67% | 1976 | |
| Rock Pigeon | Columbidae | 2 | 2024 | -58% | 1971 | |
| Hairy Woodpecker | Picidae | 2 | 2023 | +0% | 1973 | |
| Downy Woodpecker | Picidae | 2 | 2024 | +14% | 1973 | |
| Evening Grosbeak | Fringillidae | 2 | 2021 | -58% | 1980 | |
| Chestnut-backed Chickadee | Paridae | 2 | 2024 | +100% | 1975 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.