BBS Route · Texas · BCR 35
Sierra Blanc Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 69 species recorded across 24 survey years, still active.
69Species Recorded
24Years Surveyed
1999–2024Span
2Observers
Bird Species Found on Texas Sierra Blanc
Top 40 of 69 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Black-throated Sparrow | Passerellidae | 20 | 2024 | +18% | 2001 | |
| Mourning Dove | Columbidae | 16 | 2024 | -6% | 2001 | |
| House Sparrow | Passeridae | 15 | 2024 | +0% | 2001 | |
| Ash-throated Flycatcher | Tyrannidae | 13 | 2024 | +22% | 2001 | |
| Turkey Vulture | Cathartidae | 11 | 2024 | -15% | 2001 | |
| House Finch | Fringillidae | 11 | 2024 | -27% | 2001 | |
| White-winged Dove | Columbidae | 11 | 2024 | +107% | 2003 | |
| Eurasian Collared-Dove | Columbidae | 9 | 2024 | +443% | 2003 | |
| Blue Grosbeak | Cardinalidae | 8 | 2024 | +21% | 2001 | |
| Northern Mockingbird | Mimidae | 8 | 2024 | -7% | 2001 | |
| Verdin | Remizidae | 7 | 2024 | -71% | 2001 | |
| Cassin's Kingbird | Tyrannidae | 7 | 2024 | +90% | 2002 | |
| Gambel's Quail | Odontophoridae | 6 | 2024 | +411% | 2002 | |
| Brown-headed Cowbird | Icteridae | 6 | 2023 | -57% | 2001 | |
| Barn Swallow | Hirundinidae | 6 | 2024 | -50% | 2001 | |
| Scott's Oriole | Icteridae | 5 | 2024 | -13% | 2001 | |
| Pyrrhuloxia | Cardinalidae | 5 | 2024 | +125% | 2001 | |
| Great-tailed Grackle | Icteridae | 4 | 2024 | -56% | 2001 | |
| Cliff Swallow | Hirundinidae | 4 | 2019 | +175% | 2008 | |
| Chihuahuan Raven | Corvidae | 3 | 2024 | -40% | 2001 | |
| Bell's Vireo | Vireonidae | 3 | 2024 | +65% | 2001 | |
| Yellow-breasted Chat | Icteriidae | 3 | 2024 | +48% | 2001 | |
| Red-winged Blackbird | Icteridae | 3 | 2001 | n/a | n/a | |
| Lucy's Warbler | Parulidae | 3 | 2024 | +120% | 2008 | |
| Chihuahuan Meadowlark | Icteridae | 3 | 2019 | +17% | 2009 | |
| White-throated Swift | Apodidae | 2 | 2005 | +0% | 1999 | |
| Black-tailed Gnatcatcher | Polioptilidae | 2 | 2024 | -27% | 2001 | |
| Western Wood-Pewee | Tyrannidae | 2 | 2021 | +0% | 2006 | |
| Varied Bunting | Cardinalidae | 2 | 2009 | -33% | 2000 | |
| Phainopepla | Ptiliogonatidae | 2 | 2016 | +50% | 2006 | |
| Swainson's Hawk | Accipitridae | 2 | 2022 | -17% | 2008 | |
| Cave Swallow | Hirundinidae | 2 | 2019 | +63% | 2005 | |
| Mexican Duck | Anatidae | 2 | 2014 | +0% | 2010 | |
| Killdeer | Charadriidae | 1 | 2024 | +33% | 2005 | |
| Scaled Quail | Odontophoridae | 1 | 2024 | -58% | 2001 | |
| Ladder-backed Woodpecker | Picidae | 1 | 2024 | +67% | 2007 | |
| Common Nighthawk | Caprimulgidae | 1 | 2024 | -54% | 2001 | |
| Lesser Nighthawk | Caprimulgidae | 1 | 2019 | -43% | 2001 | |
| Western Kingbird | Tyrannidae | 1 | 2024 | -39% | 2001 | |
| Lark Sparrow | Passerellidae | 1 | 2024 | +0% | 1999 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.