BirdAnalyst
BBS Route · Texas · BCR 35

Bear Mtn Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 87 species recorded across 26 survey years, still active.

87Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2024Span
6Observers

Bird Species Found on Texas Bear Mtn

Top 40 of 87 species by most recent count. Each links to its species trend.

Species recorded on the Bear Mtn route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Northern MockingbirdMimidae732024-41%1992
Mourning DoveColumbidae442024-22%1992
Ash-throated FlycatcherTyrannidae382024+116%1992
Canyon TowheePasserellidae232024-69%1992
House FinchFringillidae222024-11%1992
White-throated SwiftApodidae212011+8%1993
Cactus WrenTroglodytidae212024-18%1992
Blue GrosbeakCardinalidae202024+9%1992
Turkey VultureCathartidae162024-48%1992
Western KingbirdTyrannidae152013-12%2006
Scaled QuailOdontophoridae142024+26%1992
Black-throated SparrowPasserellidae132024-50%1992
BushtitAegithalidae132024-53%1993
Greater RoadrunnerCuculidae102024+157%1992
Bell's VireoVireonidae102024+333%2006
Canyon WrenTroglodytidae92015+120%1999
Cassin's KingbirdTyrannidae82024-80%1992
PyrrhuloxiaCardinalidae82024+233%1992
Scott's OrioleIcteridae62024-72%1992
Mexican DuckAnatidae62005-20%1993
Rock WrenTroglodytidae62024+13%1997
Ladder-backed WoodpeckerPicidae42024-14%1992
Woodhouse's Scrub-JayCorvidae42024-83%1992
Common RavenCorvidae42019-46%1993
Summer TanagerCardinalidae42012+433%1997
Western Wood-PeweeTyrannidae42024+60%1998
Band-tailed PigeonColumbidae41993n/an/a
Rufous-crowned SparrowPasserellidae32024-89%1993
Black-headed GrosbeakCardinalidae32024-80%1992
Hepatic TanagerCardinalidae32012+40%1992
Chihuahuan MeadowlarkIcteridae32024-94%1993
Lesser GoldfinchFringillidae31993+200%1989
KilldeerCharadriidae32005+0%1992
Northern CardinalCardinalidae32024+43%1998
Barn SwallowHirundinidae32017+25%2006
Vermilion FlycatcherTyrannidae32024+50%2015
Montezuma QuailOdontophoridae22013-78%1993
Common NighthawkCaprimulgidae22013-44%1992
Western MeadowlarkIcteridae22013-54%2005
Chipping SparrowPasserellidae22024-62%1993

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