BBS Route · Colorado · BCR 16
Como Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 98 species recorded across 16 survey years, still active.
98Species Recorded
16Years Surveyed
1994–2024Span
3Observers
Bird Species Found on Colorado Como
Top 40 of 98 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| American Robin | Turdidae | 35 | 2024 | +79% | 1998 | |
| Horned Lark | Alaudidae | 21 | 2024 | -36% | 1998 | |
| White-crowned Sparrow | Passerellidae | 16 | 2024 | -13% | 1998 | |
| Vesper Sparrow | Passerellidae | 15 | 2024 | +43% | 1999 | |
| Hermit Thrush | Turdidae | 13 | 2024 | -16% | 1998 | |
| Mountain Chickadee | Paridae | 10 | 2024 | +50% | 1998 | |
| Pine Siskin | Fringillidae | 9 | 2024 | +143% | 1998 | |
| Steller's Jay | Corvidae | 9 | 2024 | +75% | 2008 | |
| Lincoln's Sparrow | Passerellidae | 8 | 2024 | -8% | 1998 | |
| Warbling Vireo | Vireonidae | 8 | 2024 | -48% | 1998 | |
| Mountain Bluebird | Turdidae | 7 | 2024 | +30% | 1998 | |
| Western Tanager | Cardinalidae | 7 | 2024 | +200% | 2015 | |
| Common Raven | Corvidae | 6 | 2024 | -63% | 1998 | |
| Clark's Nutcracker | Corvidae | 6 | 2024 | +240% | 1999 | |
| Red-winged Blackbird | Icteridae | 6 | 2024 | +120% | 2011 | |
| Cliff Swallow | Hirundinidae | 6 | 2024 | -93% | 1998 | |
| Pine Grosbeak | Fringillidae | 5 | 2024 | +0% | 1998 | |
| Violet-green Swallow | Hirundinidae | 5 | 2024 | -14% | 1998 | |
| Turkey Vulture | Cathartidae | 5 | 2023 | +167% | 1998 | |
| Black-billed Magpie | Corvidae | 5 | 2024 | +143% | 1999 | |
| Red Crossbill | Fringillidae | 5 | 2023 | -53% | 2015 | |
| Barn Swallow | Hirundinidae | 5 | 2024 | +100% | 2015 | |
| Broad-tailed Hummingbird | Trochilidae | 4 | 2024 | +5% | 1998 | |
| American Crow | Corvidae | 4 | 2021 | +75% | 1999 | |
| Savannah Sparrow | Passerellidae | 4 | 1999 | +20% | 1996 | |
| Ruby-crowned Kinglet | Regulidae | 4 | 2024 | +0% | 1998 | |
| Red-naped Sapsucker | Picidae | 4 | 2024 | +0% | 2008 | |
| Western Wood-Pewee | Tyrannidae | 3 | 2024 | -33% | 1998 | |
| Swainson's Thrush | Turdidae | 3 | 2021 | +133% | 1999 | |
| Northern House Wren | Troglodytidae | 3 | 2024 | +50% | 2008 | |
| Townsend's Solitaire | Turdidae | 3 | 2024 | +200% | 1999 | |
| Northern Rough-winged Swallow | Hirundinidae | 3 | 2011 | n/a | n/a | |
| Williamson's Sapsucker | Picidae | 3 | 2016 | n/a | n/a | |
| Ferruginous Hawk | Accipitridae | 3 | 2023 | n/a | n/a | |
| Killdeer | Charadriidae | 2 | 2024 | -33% | 1998 | |
| Olive-sided Flycatcher | Tyrannidae | 2 | 2023 | -33% | 1998 | |
| Western Meadowlark | Icteridae | 2 | 2024 | -65% | 1998 | |
| Green-tailed Towhee | Passerellidae | 2 | 2023 | +125% | 2011 | |
| Wilson's Warbler | Parulidae | 2 | 2023 | -46% | 1998 | |
| Gadwall | Anatidae | 2 | 1998 | +0% | 1996 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.