BBS Route · Texas · BCR 35
Slaughter Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 58 species recorded across 28 survey years, still active.
58Species Recorded
28Years Surveyed
1968–2021Span
9Observers
Bird Species Found on Texas Slaughter
Top 40 of 58 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Mourning Dove | Columbidae | 30 | 2021 | +75% | 1970 | |
| Black-throated Sparrow | Passerellidae | 27 | 2021 | -29% | 1970 | |
| Verdin | Remizidae | 27 | 2014 | +325% | 1975 | |
| Ash-throated Flycatcher | Tyrannidae | 25 | 2021 | +409% | 1970 | |
| Northern Mockingbird | Mimidae | 19 | 2014 | +30% | 1970 | |
| Cassin's Sparrow | Passerellidae | 16 | 2009 | -45% | 1977 | |
| Gambel's Quail | Odontophoridae | 16 | 2014 | +41% | 1999 | |
| Western Kingbird | Tyrannidae | 15 | 2021 | +600% | 1970 | |
| Cactus Wren | Troglodytidae | 15 | 2021 | -3% | 1970 | |
| Pyrrhuloxia | Cardinalidae | 12 | 2021 | +157% | 1973 | |
| Scaled Quail | Odontophoridae | 8 | 2021 | -8% | 1970 | |
| Turkey Vulture | Cathartidae | 7 | 2014 | -9% | 1970 | |
| Burrowing Owl | Strigidae | 6 | 1999 | +14% | 1976 | |
| White-throated Swift | Apodidae | 5 | 1999 | +400% | 1968 | |
| House Finch | Fringillidae | 5 | 2021 | +533% | 1972 | |
| Chihuahuan Raven | Corvidae | 5 | 2021 | +175% | 1977 | |
| Common Nighthawk | Caprimulgidae | 4 | 2021 | +100% | 1988 | |
| Black-necked Stilt | Recurvirostridae | 4 | 2006 | n/a | n/a | |
| Red-tailed Hawk | Accipitridae | 3 | 2006 | +100% | 1975 | |
| House Sparrow | Passeridae | 3 | 2021 | -66% | 1976 | |
| Ladder-backed Woodpecker | Picidae | 3 | 2014 | +100% | 1990 | |
| Swainson's Hawk | Accipitridae | 3 | 2021 | +0% | 1978 | |
| Greater Roadrunner | Cuculidae | 2 | 2021 | +100% | 1973 | |
| Scott's Oriole | Icteridae | 2 | 2014 | -53% | 1970 | |
| Blue Grosbeak | Cardinalidae | 2 | 2021 | -17% | 1977 | |
| Loggerhead Shrike | Laniidae | 2 | 2021 | -71% | 1970 | |
| Northern Harrier | Accipitridae | 2 | 1975 | +0% | 1970 | |
| Black-chinned Hummingbird | Trochilidae | 2 | 2014 | +100% | 1975 | |
| Brown-headed Cowbird | Icteridae | 2 | 2021 | -71% | 1977 | |
| Western Meadowlark | Icteridae | 2 | 2014 | -21% | 1978 | |
| American Kestrel | Falconidae | 2 | 2021 | +100% | 1977 | |
| Golden Eagle | Accipitridae | 2 | 2014 | +100% | 1983 | |
| Common Poorwill | Caprimulgidae | 2 | 2008 | +100% | 1986 | |
| European Starling | Sturnidae | 2 | 2006 | n/a | n/a | |
| Mexican Duck | Anatidae | 2 | 2014 | n/a | n/a | |
| Curve-billed Thrasher | Mimidae | 1 | 2014 | -33% | 1973 | |
| Crissal Thrasher | Mimidae | 1 | 2021 | -70% | 1977 | |
| Black-tailed Gnatcatcher | Polioptilidae | 1 | 2021 | +20% | 1992 | |
| Chihuahuan Meadowlark | Icteridae | 1 | 2021 | +25% | 1992 | |
| Rufous-crowned Sparrow | Passerellidae | 1 | 2014 | -60% | 2007 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.