BBS Route · Texas · BCR 21
Duran Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 63 species recorded across 5 survey years, no longer active.
63Species Recorded
5Years Surveyed
1995–1999Span
2Observers
Bird Species Found on Texas Duran
Top 40 of 63 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Scissor-tailed Flycatcher | Tyrannidae | 76 | 1999 | +77% | 1996 | |
| Mourning Dove | Columbidae | 60 | 1999 | -31% | 1996 | |
| Northern Mockingbird | Mimidae | 58 | 1999 | -55% | 1996 | |
| Northern Cardinal | Cardinalidae | 57 | 1999 | -33% | 1996 | |
| Eastern Bluebird | Turdidae | 53 | 1999 | +467% | 1996 | |
| Purple Martin | Hirundinidae | 52 | 1999 | +490% | 1996 | |
| Painted Bunting | Cardinalidae | 42 | 1999 | -22% | 1996 | |
| Northern Rough-winged Swallow | Hirundinidae | 42 | 1999 | 21× | 1996 | |
| Red-winged Blackbird | Icteridae | 41 | 1998 | +143% | 1996 | |
| Cliff Swallow | Hirundinidae | 40 | 1999 | 21× | 1996 | |
| Brown-headed Cowbird | Icteridae | 38 | 1999 | +60% | 1996 | |
| Turkey Vulture | Cathartidae | 36 | 1999 | +1% | 1996 | |
| Dickcissel | Cardinalidae | 30 | 1998 | -69% | 1995 | |
| Black Vulture | Cathartidae | 29 | 1999 | +52% | 1996 | |
| Bewick's Wren | Troglodytidae | 24 | 1999 | -49% | 1996 | |
| American Crow | Corvidae | 22 | 1999 | +155% | 1996 | |
| Lark Sparrow | Passerellidae | 21 | 1999 | +2% | 1996 | |
| Barn Swallow | Hirundinidae | 21 | 1999 | +111% | 1996 | |
| Eastern Meadowlark | Icteridae | 20 | 1999 | -76% | 1996 | |
| Northern Bobwhite | Odontophoridae | 19 | 1999 | -65% | 1996 | |
| Loggerhead Shrike | Laniidae | 19 | 1999 | +29% | 1996 | |
| Common Nighthawk | Caprimulgidae | 10 | 1999 | -48% | 1996 | |
| Black-chinned Hummingbird | Trochilidae | 10 | 1999 | +100% | 1996 | |
| Eastern Phoebe | Tyrannidae | 10 | 1999 | +100% | 1996 | |
| Rufous-crowned Sparrow | Passerellidae | 10 | 1999 | -52% | 1996 | |
| Carolina Chickadee | Paridae | 8 | 1996 | +60% | 1995 | |
| Wild Turkey | Phasianidae | 7 | 1999 | -13% | 1995 | |
| Western Kingbird | Tyrannidae | 7 | 1998 | +600% | 1997 | |
| Yellow-billed Cuckoo | Cuculidae | 6 | 1999 | -63% | 1996 | |
| Ash-throated Flycatcher | Tyrannidae | 4 | 1999 | +50% | 1996 | |
| Grasshopper Sparrow | Passerellidae | 4 | 1998 | -60% | 1995 | |
| House Sparrow | Passeridae | 4 | 1999 | -74% | 1996 | |
| Black-crested Titmouse | Paridae | 4 | 1998 | -85% | 1996 | |
| Horned Lark | Alaudidae | 4 | 1998 | +100% | 1996 | |
| Belted Kingfisher | Alcedinidae | 3 | 1995 | n/a | n/a | |
| Ladder-backed Woodpecker | Picidae | 3 | 1999 | +50% | 1995 | |
| Chimney Swift | Apodidae | 3 | 1999 | +0% | 1995 | |
| Cassin's Sparrow | Passerellidae | 3 | 1999 | -46% | 1996 | |
| Canyon Towhee | Passerellidae | 3 | 1999 | -25% | 1996 | |
| Great Blue Heron | Ardeidae | 2 | 1998 | +0% | 1996 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.