BBS Route · Oregon · BCR 10
Twickenham Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 85 species recorded across 13 survey years, still active.
85Species Recorded
13Years Surveyed
2010–2024Span
3Observers
Bird Species Found on Oregon Twickenham
Top 40 of 85 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Cliff Swallow | Hirundinidae | 140 | 2024 | +58% | 2012 | |
| Western Meadowlark | Icteridae | 32 | 2024 | -11% | 2012 | |
| American Robin | Turdidae | 32 | 2024 | +88% | 2012 | |
| Mourning Dove | Columbidae | 30 | 2024 | +63% | 2012 | |
| Western Kingbird | Tyrannidae | 27 | 2024 | -2% | 2012 | |
| Red-winged Blackbird | Icteridae | 23 | 2024 | -49% | 2012 | |
| European Starling | Sturnidae | 22 | 2024 | +14% | 2012 | |
| Bullock's Oriole | Icteridae | 21 | 2024 | +206% | 2012 | |
| Rock Wren | Troglodytidae | 21 | 2024 | +90% | 2012 | |
| Lazuli Bunting | Cardinalidae | 20 | 2024 | -22% | 2012 | |
| Ash-throated Flycatcher | Tyrannidae | 16 | 2024 | +311% | 2012 | |
| Lark Sparrow | Passerellidae | 10 | 2024 | +132% | 2012 | |
| Vaux's Swift | Apodidae | 10 | 2012 | n/a | n/a | |
| Chukar | Phasianidae | 9 | 2024 | +106% | 2012 | |
| Brown-headed Cowbird | Icteridae | 9 | 2024 | -71% | 2012 | |
| Mountain Quail | Odontophoridae | 9 | 2016 | +350% | 2011 | |
| Western Wood-Pewee | Tyrannidae | 8 | 2023 | +200% | 2013 | |
| Red-tailed Hawk | Accipitridae | 7 | 2024 | +22% | 2012 | |
| Common Raven | Corvidae | 6 | 2024 | -23% | 2012 | |
| Brewer's Blackbird | Icteridae | 6 | 2024 | -27% | 2012 | |
| Violet-green Swallow | Hirundinidae | 6 | 2024 | -67% | 2012 | |
| Canyon Wren | Troglodytidae | 6 | 2024 | +167% | 2012 | |
| Lesser Goldfinch | Fringillidae | 6 | 2024 | +50% | 2016 | |
| Say's Phoebe | Tyrannidae | 6 | 2024 | +100% | 2014 | |
| Canada Goose | Anatidae | 6 | 2024 | +20% | 2016 | |
| American Crow | Corvidae | 5 | 2024 | -42% | 2012 | |
| Yellow Warbler | Parulidae | 5 | 2024 | +117% | 2016 | |
| Black-billed Magpie | Corvidae | 5 | 2021 | +250% | 2014 | |
| Common Yellowthroat | Parulidae | 5 | 2024 | +75% | 2016 | |
| California Quail | Odontophoridae | 4 | 2024 | -74% | 2012 | |
| Ring-necked Pheasant | Phasianidae | 4 | 2024 | -29% | 2012 | |
| Gray Flycatcher | Tyrannidae | 4 | 2024 | +100% | 2012 | |
| Spotted Towhee | Passerellidae | 4 | 2024 | +18% | 2012 | |
| Cassin's Finch | Fringillidae | 4 | 2012 | n/a | n/a | |
| Black-capped Chickadee | Paridae | 4 | 2014 | +300% | 2012 | |
| Dusky Flycatcher | Tyrannidae | 4 | 2024 | +33% | 2021 | |
| Bank Swallow | Hirundinidae | 4 | 2024 | -60% | 2021 | |
| American Goldfinch | Fringillidae | 3 | 2024 | +190% | 2012 | |
| Spotted Sandpiper | Scolopacidae | 3 | 2024 | +125% | 2016 | |
| American Kestrel | Falconidae | 3 | 2024 | +33% | 2014 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.