BBS Route · Colorado · BCR 16
Yellowjacket Pass Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 120 species recorded across 20 survey years, still active.
120Species Recorded
20Years Surveyed
1998–2024Span
7Observers
Bird Species Found on Colorado Yellowjacket Pass
Top 40 of 120 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 54 | 2024 | +105% | 2001 | |
| Western Meadowlark | Icteridae | 45 | 2024 | +14% | 2001 | |
| Black-billed Magpie | Corvidae | 41 | 2024 | +31% | 2001 | |
| Vesper Sparrow | Passerellidae | 37 | 2024 | +128% | 2001 | |
| Brewer's Blackbird | Icteridae | 33 | 2024 | -36% | 2001 | |
| American Robin | Turdidae | 33 | 2024 | -3% | 2001 | |
| Brewer's Sparrow | Passerellidae | 32 | 2024 | +271% | 2001 | |
| Spotted Towhee | Passerellidae | 32 | 2024 | +111% | 2001 | |
| Green-tailed Towhee | Passerellidae | 27 | 2024 | +31% | 2001 | |
| Yellow Warbler | Parulidae | 26 | 2024 | +144% | 2001 | |
| Song Sparrow | Passerellidae | 23 | 2024 | +13% | 2001 | |
| Virginia's Warbler | Parulidae | 21 | 2024 | +69% | 2001 | |
| American Crow | Corvidae | 19 | 2024 | +618% | 2001 | |
| Mourning Dove | Columbidae | 17 | 2024 | -12% | 2001 | |
| Northern House Wren | Troglodytidae | 15 | 2024 | +82% | 2001 | |
| Cliff Swallow | Hirundinidae | 14 | 2024 | +20% | 2001 | |
| Brown-headed Cowbird | Icteridae | 12 | 2024 | +0% | 2001 | |
| Sage Thrasher | Mimidae | 11 | 2024 | +450% | 2003 | |
| Red Crossbill | Fringillidae | 9 | 2024 | n/a | n/a | |
| European Starling | Sturnidae | 8 | 2024 | +0% | 2001 | |
| Killdeer | Charadriidae | 7 | 2024 | +55% | 2001 | |
| Western Kingbird | Tyrannidae | 7 | 2024 | +275% | 2003 | |
| Tree Swallow | Hirundinidae | 7 | 2024 | +56% | 2001 | |
| Warbling Vireo | Vireonidae | 7 | 2024 | -20% | 2001 | |
| Mallard | Anatidae | 7 | 2024 | +289% | 2003 | |
| Canada Goose | Anatidae | 6 | 2015 | -88% | 2003 | |
| Yellow-headed Blackbird | Icteridae | 6 | 2024 | +38% | 2007 | |
| Ring-necked Duck | Anatidae | 6 | 2024 | +60% | 2013 | |
| Common Raven | Corvidae | 6 | 2024 | +350% | 2008 | |
| Say's Phoebe | Tyrannidae | 5 | 2024 | +38% | 2001 | |
| Bullock's Oriole | Icteridae | 5 | 2024 | +33% | 2003 | |
| Turkey Vulture | Cathartidae | 5 | 2024 | +129% | 2010 | |
| Orange-crowned Warbler | Parulidae | 5 | 2024 | -9% | 2009 | |
| Greater Sage-Grouse | Phasianidae | 5 | 2018 | n/a | n/a | |
| American Coot | Rallidae | 4 | 2024 | +250% | 2001 | |
| Red-tailed Hawk | Accipitridae | 4 | 2024 | +22% | 2003 | |
| White-throated Swift | Apodidae | 4 | 2024 | -24% | 2001 | |
| Northern Rough-winged Swallow | Hirundinidae | 4 | 2023 | -63% | 2001 | |
| Bank Swallow | Hirundinidae | 4 | 2015 | -50% | 2003 | |
| Pinyon Jay | Corvidae | 4 | 2003 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.