BBS Route · Colorado · BCR 16
Lizard Head Pass Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 74 species recorded across 19 survey years, still active.
74Species Recorded
19Years Surveyed
2001–2024Span
4Observers
Bird Species Found on Colorado Lizard Head Pass
Top 40 of 74 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| American Robin | Turdidae | 51 | 2024 | +52% | 2003 | |
| Violet-green Swallow | Hirundinidae | 26 | 2024 | +21% | 2003 | |
| Warbling Vireo | Vireonidae | 26 | 2024 | +23% | 2003 | |
| Pine Siskin | Fringillidae | 16 | 2024 | +36% | 2004 | |
| Hermit Thrush | Turdidae | 16 | 2024 | +142% | 2003 | |
| Canada Goose | Anatidae | 16 | 2023 | 16× | 2006 | |
| American Crow | Corvidae | 14 | 2024 | +6% | 2003 | |
| Western Wood-Pewee | Tyrannidae | 12 | 2024 | +440% | 2003 | |
| White-crowned Sparrow | Passerellidae | 12 | 2024 | -9% | 2003 | |
| Lincoln's Sparrow | Passerellidae | 12 | 2024 | +23% | 2003 | |
| Chipping Sparrow | Passerellidae | 10 | 2024 | +46% | 2003 | |
| Broad-tailed Hummingbird | Trochilidae | 7 | 2024 | -52% | 2003 | |
| Common Raven | Corvidae | 7 | 2024 | -6% | 2003 | |
| Red-winged Blackbird | Icteridae | 7 | 2024 | +178% | 2003 | |
| Western Tanager | Cardinalidae | 7 | 2024 | -14% | 2003 | |
| Ruby-crowned Kinglet | Regulidae | 7 | 2024 | -5% | 2003 | |
| Black-billed Magpie | Corvidae | 6 | 2024 | -55% | 2003 | |
| Song Sparrow | Passerellidae | 6 | 2024 | +10% | 2004 | |
| House Sparrow | Passeridae | 6 | 2024 | +50% | 2018 | |
| White-throated Swift | Apodidae | 5 | 2015 | -21% | 2002 | |
| Steller's Jay | Corvidae | 5 | 2024 | +0% | 2003 | |
| Northern House Wren | Troglodytidae | 5 | 2024 | +283% | 2003 | |
| Mountain Chickadee | Paridae | 5 | 2024 | +117% | 2003 | |
| Mountain Bluebird | Turdidae | 4 | 2024 | -17% | 2004 | |
| Red Crossbill | Fringillidae | 4 | 2024 | +100% | 2018 | |
| Dusky Flycatcher | Tyrannidae | 3 | 2024 | -14% | 2007 | |
| MacGillivray's Warbler | Parulidae | 3 | 2024 | -53% | 2003 | |
| Wilson's Warbler | Parulidae | 3 | 2024 | -76% | 2006 | |
| Hammond's Flycatcher | Tyrannidae | 3 | 2024 | +14% | 2006 | |
| Spotted Towhee | Passerellidae | 3 | 2024 | +25% | 2004 | |
| Tree Swallow | Hirundinidae | 3 | 2024 | -73% | 2009 | |
| Brown-headed Cowbird | Icteridae | 2 | 2024 | -20% | 2010 | |
| Fox Sparrow | Passerellidae | 2 | 2024 | -27% | 2003 | |
| Virginia's Warbler | Parulidae | 2 | 2024 | -30% | 2003 | |
| Swainson's Thrush | Turdidae | 2 | 2024 | -44% | 2007 | |
| Wilson's Snipe | Scolopacidae | 2 | 2024 | -62% | 2004 | |
| Red-tailed Hawk | Accipitridae | 2 | 2024 | -33% | 2008 | |
| Canada Jay | Corvidae | 2 | 2003 | n/a | n/a | |
| Black-headed Grosbeak | Cardinalidae | 2 | 2024 | +0% | 2006 | |
| Evening Grosbeak | Fringillidae | 2 | 2022 | -60% | 2015 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.