BBS Route · Oregon · BCR 10
Troy Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 109 species recorded across 30 survey years, still active.
109Species Recorded
30Years Surveyed
1992–2024Span
1Observers
Bird Species Found on Oregon Troy
Top 40 of 109 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| American Robin | Turdidae | 22 | 2024 | -22% | 1994 | |
| Red-breasted Nuthatch | Sittidae | 19 | 2024 | -69% | 1994 | |
| Chipping Sparrow | Passerellidae | 16 | 2024 | -49% | 1994 | |
| Yellow Warbler | Parulidae | 16 | 2024 | +4% | 1994 | |
| Northern House Wren | Troglodytidae | 16 | 2024 | +39% | 1994 | |
| Spotted Towhee | Passerellidae | 15 | 2024 | +33% | 1994 | |
| Western Tanager | Cardinalidae | 14 | 2024 | +200% | 1994 | |
| Cedar Waxwing | Bombycillidae | 13 | 2024 | +280% | 2009 | |
| Canada Goose | Anatidae | 11 | 2024 | +50% | 2006 | |
| Orange-crowned Warbler | Parulidae | 9 | 2024 | -11% | 1994 | |
| Red Crossbill | Fringillidae | 9 | 2024 | -42% | 1995 | |
| Dusky Flycatcher | Tyrannidae | 8 | 2024 | +30% | 1994 | |
| Mourning Dove | Columbidae | 7 | 2024 | +175% | 1998 | |
| Western Wood-Pewee | Tyrannidae | 7 | 2024 | +41% | 1994 | |
| Cassin's Finch | Fringillidae | 7 | 2024 | -52% | 1994 | |
| Townsend's Warbler | Parulidae | 7 | 2024 | -74% | 1994 | |
| Cliff Swallow | Hirundinidae | 7 | 2024 | -71% | 1998 | |
| Pine Siskin | Fringillidae | 6 | 2024 | -75% | 1994 | |
| Yellow-breasted Chat | Icteriidae | 6 | 2024 | +88% | 1994 | |
| Tree Swallow | Hirundinidae | 6 | 2024 | -20% | 1999 | |
| Hammond's Flycatcher | Tyrannidae | 5 | 2024 | +33% | 1994 | |
| MacGillivray's Warbler | Parulidae | 5 | 2024 | +325% | 1995 | |
| Warbling Vireo | Vireonidae | 5 | 2024 | +233% | 1997 | |
| Willow Flycatcher | Tyrannidae | 4 | 1997 | +0% | 1993 | |
| Black-headed Grosbeak | Cardinalidae | 4 | 2024 | -22% | 1996 | |
| Cassin's Vireo | Vireonidae | 4 | 2024 | -50% | 1994 | |
| Mountain Chickadee | Paridae | 4 | 2024 | -38% | 1994 | |
| Ruby-crowned Kinglet | Regulidae | 4 | 2024 | -83% | 1994 | |
| Mountain Bluebird | Turdidae | 4 | 2023 | +167% | 2000 | |
| Vaux's Swift | Apodidae | 4 | 2024 | -10% | 1997 | |
| Lewis's Woodpecker | Picidae | 4 | 2024 | +0% | 2000 | |
| Wild Turkey | Phasianidae | 4 | 2019 | +0% | 2010 | |
| Chukar | Phasianidae | 4 | 2024 | +300% | 2021 | |
| Olive-sided Flycatcher | Tyrannidae | 3 | 2024 | +56% | 1994 | |
| Song Sparrow | Passerellidae | 3 | 2024 | +0% | 1995 | |
| Lazuli Bunting | Cardinalidae | 3 | 2024 | +0% | 1995 | |
| Black-capped Chickadee | Paridae | 3 | 2024 | -63% | 1994 | |
| Black-billed Magpie | Corvidae | 3 | 2023 | +100% | 2016 | |
| Brewer's Blackbird | Icteridae | 3 | 1995 | +50% | 1993 | |
| California Quail | Odontophoridae | 3 | 2024 | +150% | 1998 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.