BBS Route · Colorado · BCR 16
Moon Pass Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 87 species recorded across 15 survey years, still active.
87Species Recorded
15Years Surveyed
1998–2024Span
6Observers
Bird Species Found on Colorado Moon Pass
Top 40 of 87 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Warbling Vireo | Vireonidae | 39 | 2024 | +144% | 2004 | |
| Clark's Nutcracker | Corvidae | 37 | 2024 | +76% | 2004 | |
| American Robin | Turdidae | 34 | 2024 | +62% | 2003 | |
| Green-tailed Towhee | Passerellidae | 20 | 2024 | -2% | 2004 | |
| Western Tanager | Cardinalidae | 19 | 2024 | +189% | 2003 | |
| Black-billed Magpie | Corvidae | 18 | 2024 | -25% | 2003 | |
| Song Sparrow | Passerellidae | 17 | 2024 | +267% | 2003 | |
| Western Wood-Pewee | Tyrannidae | 16 | 2024 | +210% | 2005 | |
| Ruby-crowned Kinglet | Regulidae | 15 | 2024 | -21% | 2004 | |
| Rock Pigeon | Columbidae | 14 | 2023 | +473% | 2011 | |
| Yellow Warbler | Parulidae | 14 | 2024 | +0% | 2005 | |
| Broad-tailed Hummingbird | Trochilidae | 13 | 2024 | +84% | 2003 | |
| Tree Swallow | Hirundinidae | 13 | 2024 | +214% | 2017 | |
| Hermit Thrush | Turdidae | 12 | 2024 | +29% | 2003 | |
| Horned Lark | Alaudidae | 12 | 2024 | +146% | 2005 | |
| Rock Wren | Troglodytidae | 10 | 2024 | -6% | 2004 | |
| Pinyon Jay | Corvidae | 10 | 2024 | +727% | 2005 | |
| Mountain Bluebird | Turdidae | 9 | 2024 | +71% | 2003 | |
| Mourning Dove | Columbidae | 8 | 2024 | -45% | 2003 | |
| Lincoln's Sparrow | Passerellidae | 8 | 2024 | +15% | 2003 | |
| Violet-green Swallow | Hirundinidae | 8 | 2024 | +22% | 2003 | |
| Townsend's Solitaire | Turdidae | 8 | 2024 | +200% | 2005 | |
| Cliff Swallow | Hirundinidae | 7 | 2023 | -64% | 2003 | |
| Red-naped Sapsucker | Picidae | 7 | 2011 | +367% | 2005 | |
| Pine Siskin | Fringillidae | 6 | 2024 | -45% | 2004 | |
| Mountain Chickadee | Paridae | 6 | 2024 | -33% | 2004 | |
| Steller's Jay | Corvidae | 5 | 2024 | -12% | 2003 | |
| Vesper Sparrow | Passerellidae | 5 | 2024 | +9% | 2004 | |
| Northern House Wren | Troglodytidae | 5 | 2024 | +25% | 2005 | |
| Common Raven | Corvidae | 4 | 2024 | -40% | 2003 | |
| Pygmy Nuthatch | Sittidae | 4 | 2011 | +300% | 2000 | |
| Red-breasted Nuthatch | Sittidae | 4 | 2024 | -25% | 2005 | |
| Bushtit | Aegithalidae | 4 | 2014 | +300% | 2003 | |
| Spotted Towhee | Passerellidae | 4 | 2024 | +300% | 2019 | |
| Great Horned Owl | Strigidae | 3 | 2019 | +200% | 2003 | |
| White-winged Crossbill | Fringillidae | 3 | 2003 | n/a | n/a | |
| Chipping Sparrow | Passerellidae | 3 | 2024 | +17% | 2010 | |
| Black-headed Grosbeak | Cardinalidae | 3 | 2024 | +88% | 2010 | |
| Golden-crowned Kinglet | Regulidae | 3 | 2010 | -25% | 2004 | |
| American Goldfinch | Fringillidae | 3 | 2024 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.