BBS Route · Oregon · BCR 5
Glasgow Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 100 species recorded across 24 survey years, still active.
100Species Recorded
24Years Surveyed
1986–2024Span
4Observers
Bird Species Found on Oregon Glasgow
Top 40 of 100 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Barn Swallow | Hirundinidae | 55 | 2024 | +62% | 1988 | |
| American Crow | Corvidae | 49 | 2024 | +118% | 1988 | |
| Violet-green Swallow | Hirundinidae | 48 | 2024 | +100% | 1988 | |
| Song Sparrow | Passerellidae | 43 | 2024 | +29% | 1988 | |
| Swainson's Thrush | Turdidae | 40 | 2024 | +13% | 1988 | |
| Canada Goose | Anatidae | 40 | 2024 | +141% | 2008 | |
| American Robin | Turdidae | 37 | 2024 | -2% | 1988 | |
| Mallard | Anatidae | 33 | 2024 | +242% | 1989 | |
| Red Crossbill | Fringillidae | 27 | 2024 | +288% | 2011 | |
| Double-crested Cormorant | Phalacrocoracidae | 24 | 2024 | +900% | 1995 | |
| Cliff Swallow | Hirundinidae | 23 | 2022 | +27% | 1989 | |
| Steller's Jay | Corvidae | 21 | 2024 | +117% | 1988 | |
| Chestnut-backed Chickadee | Paridae | 21 | 2024 | +600% | 1988 | |
| Wilson's Warbler | Parulidae | 20 | 2024 | +20% | 1988 | |
| White-crowned Sparrow | Passerellidae | 19 | 2024 | +48% | 1988 | |
| Black-headed Grosbeak | Cardinalidae | 17 | 2024 | +82% | 1988 | |
| Turkey Vulture | Cathartidae | 14 | 2024 | +123% | 1988 | |
| Band-tailed Pigeon | Columbidae | 13 | 2024 | +208% | 1988 | |
| Tree Swallow | Hirundinidae | 13 | 2024 | -27% | 1990 | |
| Purple Martin | Hirundinidae | 10 | 2024 | +33% | 1996 | |
| Eurasian Collared-Dove | Columbidae | 10 | 2024 | +93% | 2013 | |
| Hermit Warbler | Parulidae | 8 | 2024 | +27% | 1994 | |
| Black-capped Chickadee | Paridae | 8 | 2024 | +62% | 1988 | |
| Great Blue Heron | Ardeidae | 7 | 2024 | -45% | 1988 | |
| Western Tanager | Cardinalidae | 7 | 2024 | +29% | 1988 | |
| Glaucous-winged Gull | Laridae | 7 | 2015 | +225% | 1990 | |
| European Starling | Sturnidae | 6 | 2024 | +78% | 1988 | |
| Cedar Waxwing | Bombycillidae | 6 | 2024 | +42% | 1988 | |
| Warbling Vireo | Vireonidae | 6 | 2024 | +106% | 1988 | |
| Wrentit | Sylviidae | 6 | 2024 | -15% | 1988 | |
| Brown-headed Cowbird | Icteridae | 5 | 2024 | -40% | 1988 | |
| Orange-crowned Warbler | Parulidae | 5 | 2024 | -48% | 1988 | |
| Marsh Wren | Troglodytidae | 5 | 2024 | +111% | 1994 | |
| Spotted Towhee | Passerellidae | 4 | 2024 | +3% | 1988 | |
| Common Yellowthroat | Parulidae | 4 | 2024 | +129% | 1989 | |
| Cassin's Vireo | Vireonidae | 4 | 1996 | +67% | 1990 | |
| Caspian Tern | Laridae | 4 | 2021 | -44% | 1994 | |
| Willow Flycatcher | Tyrannidae | 4 | 2023 | +100% | 1995 | |
| Brown Creeper | Certhiidae | 4 | 2024 | -25% | 2013 | |
| Anna's Hummingbird | Trochilidae | 4 | 2023 | +75% | 2010 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.