BirdAnalyst
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.

Species recorded on the Sierra Blanc route.
History
Black-throated SparrowPasserellidae202024+18%2001
Mourning DoveColumbidae162024-6%2001
House SparrowPasseridae152024+0%2001
Ash-throated FlycatcherTyrannidae132024+22%2001
Turkey VultureCathartidae112024-15%2001
House FinchFringillidae112024-27%2001
White-winged DoveColumbidae112024+107%2003
Eurasian Collared-DoveColumbidae92024+443%2003
Blue GrosbeakCardinalidae82024+21%2001
Northern MockingbirdMimidae82024-7%2001
VerdinRemizidae72024-71%2001
Cassin's KingbirdTyrannidae72024+90%2002
Gambel's QuailOdontophoridae62024+411%2002
Brown-headed CowbirdIcteridae62023-57%2001
Barn SwallowHirundinidae62024-50%2001
Scott's OrioleIcteridae52024-13%2001
PyrrhuloxiaCardinalidae52024+125%2001
Great-tailed GrackleIcteridae42024-56%2001
Cliff SwallowHirundinidae42019+175%2008
Chihuahuan RavenCorvidae32024-40%2001
Bell's VireoVireonidae32024+65%2001
Yellow-breasted ChatIcteriidae32024+48%2001
Red-winged BlackbirdIcteridae32001n/an/a
Lucy's WarblerParulidae32024+120%2008
Chihuahuan MeadowlarkIcteridae32019+17%2009
White-throated SwiftApodidae22005+0%1999
Black-tailed GnatcatcherPolioptilidae22024-27%2001
Western Wood-PeweeTyrannidae22021+0%2006
Varied BuntingCardinalidae22009-33%2000
PhainopeplaPtiliogonatidae22016+50%2006
Swainson's HawkAccipitridae22022-17%2008
Cave SwallowHirundinidae22019+63%2005
Mexican DuckAnatidae22014+0%2010
KilldeerCharadriidae12024+33%2005
Scaled QuailOdontophoridae12024-58%2001
Ladder-backed WoodpeckerPicidae12024+67%2007
Common NighthawkCaprimulgidae12024-54%2001
Lesser NighthawkCaprimulgidae12019-43%2001
Western KingbirdTyrannidae12024-39%2001
Lark SparrowPasserellidae12024+0%1999

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.