BBS Route · Colorado · BCR 16
Owl Creek Pass Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 100 species recorded across 20 survey years, still active.
100Species Recorded
20Years Surveyed
1998–2024Span
4Observers
Bird Species Found on Colorado Owl Creek Pass
Top 40 of 100 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Warbling Vireo | Vireonidae | 42 | 2024 | +12% | 2000 | |
| American Robin | Turdidae | 39 | 2024 | +54% | 2000 | |
| Northern House Wren | Troglodytidae | 26 | 2024 | +380% | 2000 | |
| Red-winged Blackbird | Icteridae | 20 | 2024 | +247% | 2003 | |
| Violet-green Swallow | Hirundinidae | 19 | 2024 | +88% | 2000 | |
| Canada Goose | Anatidae | 17 | 2023 | -56% | 2015 | |
| American Crow | Corvidae | 16 | 2024 | +289% | 2000 | |
| Western Tanager | Cardinalidae | 16 | 2024 | +96% | 2000 | |
| Hermit Thrush | Turdidae | 16 | 2024 | +50% | 2000 | |
| Orange-crowned Warbler | Parulidae | 15 | 2024 | +250% | 2000 | |
| Western Wood-Pewee | Tyrannidae | 14 | 2024 | +68% | 2000 | |
| Ruby-crowned Kinglet | Regulidae | 14 | 2024 | +319% | 2001 | |
| Western Meadowlark | Icteridae | 12 | 2024 | +27% | 2001 | |
| Pine Siskin | Fringillidae | 12 | 2024 | -36% | 2000 | |
| Clark's Nutcracker | Corvidae | 11 | 2024 | +340% | 2003 | |
| Evening Grosbeak | Fringillidae | 11 | 2024 | +118% | 2013 | |
| Cliff Swallow | Hirundinidae | 11 | 2015 | n/a | n/a | |
| Yellow Warbler | Parulidae | 9 | 2024 | +200% | 2000 | |
| Mountain Chickadee | Paridae | 9 | 2024 | +340% | 2000 | |
| Vesper Sparrow | Passerellidae | 8 | 2024 | +62% | 2000 | |
| Black-billed Magpie | Corvidae | 7 | 2024 | +67% | 2001 | |
| Wilson's Snipe | Scolopacidae | 6 | 2024 | +33% | 2001 | |
| Steller's Jay | Corvidae | 6 | 2024 | -8% | 2000 | |
| MacGillivray's Warbler | Parulidae | 6 | 2024 | +83% | 2000 | |
| Broad-tailed Hummingbird | Trochilidae | 5 | 2024 | -17% | 2000 | |
| Cassin's Finch | Fringillidae | 5 | 2024 | -50% | 2000 | |
| Chipping Sparrow | Passerellidae | 5 | 2024 | -19% | 2000 | |
| Dusky Flycatcher | Tyrannidae | 5 | 2024 | +150% | 2001 | |
| House Finch | Fringillidae | 5 | 2024 | +167% | 2021 | |
| Red Crossbill | Fringillidae | 4 | 2007 | +0% | 2000 | |
| Spotted Towhee | Passerellidae | 4 | 2024 | +22% | 2000 | |
| Green-tailed Towhee | Passerellidae | 3 | 2024 | +78% | 2000 | |
| Tree Swallow | Hirundinidae | 3 | 2023 | -33% | 2000 | |
| Brown Creeper | Certhiidae | 3 | 2015 | +200% | 2012 | |
| Hairy Woodpecker | Picidae | 2 | 2022 | +0% | 2009 | |
| Brewer's Blackbird | Icteridae | 2 | 2024 | -86% | 2007 | |
| Brewer's Sparrow | Passerellidae | 2 | 2024 | +50% | 2021 | |
| Black-headed Grosbeak | Cardinalidae | 2 | 2024 | +40% | 2001 | |
| Plumbeous Vireo | Vireonidae | 2 | 2012 | +40% | 2000 | |
| Virginia's Warbler | Parulidae | 2 | 2024 | -50% | 2000 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.