BBS Route · Texas · BCR 36
Guerra Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 90 species recorded across 21 survey years, still active.
90Species Recorded
21Years Surveyed
1988–2023Span
6Observers
Bird Species Found on Texas Guerra
Top 40 of 90 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Cave Swallow | Hirundinidae | 169 | 2018 | -63% | 1990 | |
| White-winged Dove | Columbidae | 58 | 2023 | +114% | 1990 | |
| Northern Mockingbird | Mimidae | 50 | 2023 | +28% | 1990 | |
| Mourning Dove | Columbidae | 48 | 2023 | +11% | 1990 | |
| Bewick's Wren | Troglodytidae | 41 | 2023 | 17× | 1995 | |
| Painted Bunting | Cardinalidae | 37 | 2023 | +381% | 1992 | |
| Brown-crested Flycatcher | Tyrannidae | 33 | 2023 | +13% | 1990 | |
| Verdin | Remizidae | 31 | 2018 | 16× | 1995 | |
| Turkey Vulture | Cathartidae | 27 | 2023 | +15% | 1990 | |
| Northern Cardinal | Cardinalidae | 25 | 2023 | +352% | 1990 | |
| Golden-fronted Woodpecker | Picidae | 24 | 2023 | +44% | 1990 | |
| Scissor-tailed Flycatcher | Tyrannidae | 23 | 2023 | +136% | 1990 | |
| Pyrrhuloxia | Cardinalidae | 19 | 2023 | +91% | 1990 | |
| Western Cattle-Egret | Ardeidae | 16 | 2009 | 16× | 2007 | |
| Common Ground Dove | Columbidae | 15 | 2018 | -3% | 1990 | |
| Cactus Wren | Troglodytidae | 15 | 2023 | -57% | 1990 | |
| Bullock's Oriole | Icteridae | 15 | 2023 | +957% | 1993 | |
| Northern Bobwhite | Odontophoridae | 14 | 2023 | +20% | 1990 | |
| Ladder-backed Woodpecker | Picidae | 14 | 2023 | +517% | 1990 | |
| House Sparrow | Passeridae | 14 | 2023 | +114% | 1990 | |
| Ash-throated Flycatcher | Tyrannidae | 14 | 2023 | +475% | 1993 | |
| European Starling | Sturnidae | 12 | 2018 | +108% | 1991 | |
| Eastern Meadowlark | Icteridae | 12 | 2023 | +30% | 1990 | |
| Yellow-billed Cuckoo | Cuculidae | 11 | 2023 | -8% | 1990 | |
| Green Jay | Corvidae | 11 | 2023 | +214% | 1991 | |
| Brown-headed Cowbird | Icteridae | 11 | 2023 | +275% | 1990 | |
| Greater Roadrunner | Cuculidae | 10 | 2023 | +67% | 1994 | |
| Cassin's Sparrow | Passerellidae | 9 | 2023 | +308% | 1990 | |
| Olive Sparrow | Passerellidae | 9 | 2023 | 14× | 1992 | |
| Curve-billed Thrasher | Mimidae | 9 | 2018 | +143% | 1990 | |
| Crested Caracara | Falconidae | 8 | 2023 | -23% | 1990 | |
| Eurasian Collared-Dove | Columbidae | 8 | 2023 | +700% | 2013 | |
| Bronzed Cowbird | Icteridae | 7 | 2018 | -76% | 1990 | |
| Red-winged Blackbird | Icteridae | 7 | 2023 | -30% | 1990 | |
| White-eyed Vireo | Vireonidae | 7 | 2018 | +200% | 1996 | |
| White-tipped Dove | Columbidae | 5 | 2023 | +433% | 1994 | |
| Great Kiskadee | Tyrannidae | 4 | 2023 | +160% | 1993 | |
| Audubon's Oriole | Icteridae | 4 | 2023 | +100% | 1996 | |
| Altamira Oriole | Icteridae | 4 | 1999 | +100% | 1990 | |
| Lark Sparrow | Passerellidae | 4 | 2023 | -57% | 1990 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.