BBS Route · Wyoming · BCR 10
Boulder Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 102 species recorded across 23 survey years, still active.
102Species Recorded
23Years Surveyed
1982–2024Span
4Observers
Bird Species Found on Wyoming Boulder
Top 40 of 102 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Black-billed Magpie | Corvidae | 112 | 2024 | 11× | 1984 | |
| Cliff Swallow | Hirundinidae | 100 | 2024 | +51% | 1984 | |
| Brewer's Blackbird | Icteridae | 98 | 2024 | +3% | 1984 | |
| Vesper Sparrow | Passerellidae | 55 | 2024 | +374% | 1984 | |
| Greater Sage-Grouse | Phasianidae | 43 | 2012 | +221% | 1984 | |
| Savannah Sparrow | Passerellidae | 43 | 2024 | +19% | 1984 | |
| Brewer's Sparrow | Passerellidae | 33 | 2024 | +34% | 1984 | |
| Wilson's Snipe | Scolopacidae | 25 | 2024 | +11% | 1984 | |
| Song Sparrow | Passerellidae | 20 | 2024 | +486% | 1998 | |
| Sage Thrasher | Mimidae | 19 | 2024 | -24% | 1984 | |
| Tree Swallow | Hirundinidae | 18 | 2024 | +650% | 2006 | |
| Yellow Warbler | Parulidae | 17 | 2024 | +0% | 1984 | |
| Common Nighthawk | Caprimulgidae | 16 | 2018 | +4% | 1984 | |
| Western Meadowlark | Icteridae | 16 | 2024 | -32% | 1984 | |
| Horned Lark | Alaudidae | 14 | 2024 | +0% | 1984 | |
| Mourning Dove | Columbidae | 13 | 2024 | -59% | 1984 | |
| Green-tailed Towhee | Passerellidae | 13 | 2024 | +164% | 2006 | |
| American Crow | Corvidae | 12 | 2024 | -50% | 1984 | |
| Yellow-headed Blackbird | Icteridae | 12 | 2024 | -48% | 1984 | |
| American Robin | Turdidae | 12 | 2024 | -56% | 1984 | |
| European Starling | Sturnidae | 12 | 2024 | -59% | 1997 | |
| Sandhill Crane | Gruidae | 10 | 2024 | -51% | 1984 | |
| Mallard | Anatidae | 9 | 2024 | -66% | 1984 | |
| Canada Goose | Anatidae | 9 | 2024 | +200% | 1997 | |
| Common Raven | Corvidae | 7 | 2024 | +50% | 1984 | |
| American White Pelican | Pelecanidae | 6 | 2022 | -14% | 1994 | |
| House Sparrow | Passeridae | 6 | 2024 | -39% | 2006 | |
| Warbling Vireo | Vireonidae | 6 | 2018 | +9% | 2007 | |
| Red-winged Blackbird | Icteridae | 5 | 2024 | -84% | 1984 | |
| Rock Pigeon | Columbidae | 5 | 2009 | +400% | 1995 | |
| Western Bluebird | Turdidae | 5 | 1997 | n/a | n/a | |
| Ring-necked Duck | Anatidae | 4 | 2016 | +33% | 2009 | |
| Cinnamon Teal | Anatidae | 3 | 2018 | -36% | 1984 | |
| Wilson's Phalarope | Scolopacidae | 3 | 1995 | -40% | 1983 | |
| Willet | Scolopacidae | 3 | 2018 | -56% | 1984 | |
| Red-tailed Hawk | Accipitridae | 3 | 2024 | +88% | 1984 | |
| American Kestrel | Falconidae | 3 | 2024 | +17% | 1995 | |
| Rock Wren | Troglodytidae | 3 | 2024 | -43% | 1984 | |
| Northern House Wren | Troglodytidae | 3 | 2024 | +40% | 1984 | |
| Blue-winged Teal | Anatidae | 3 | 2022 | +200% | 1994 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.