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BBS Route · Texas · BCR 20

Indian Mtn Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 34 survey years, still active.

100Species 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 →
34Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1976–2025Span
5Observers

Bird Species Found on Texas Indian Mtn

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Indian 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
Bewick's WrenTroglodytidae652025+236%1978
Yellow-breasted ChatIcteriidae542025+585%1978
Turkey VultureCathartidae522025+14%1978
Northern CardinalCardinalidae502025+31%1978
Mourning DoveColumbidae462025+400%1978
Cliff SwallowHirundinidae341998+714%1980
White-winged DoveColumbidae212025+415%1978
Bell's VireoVireonidae192025+176%1978
Black-crested TitmouseParidae192025+6%1978
Black-capped VireoVireonidae172025+271%1978
House FinchFringillidae162025+178%1980
Common RavenCorvidae132025+289%1981
Brown-headed CowbirdIcteridae122025+82%1978
Field SparrowPasserellidae112025-46%1978
Painted BuntingCardinalidae112025-58%1978
Lark SparrowPasserellidae102025-14%1978
Northern MockingbirdMimidae102025-69%1978
White-eyed VireoVireonidae102025+520%1983
Olive SparrowPasserellidae102025+270%2002
Black-and-white WarblerParulidae92024+267%1997
Scott's OrioleIcteridae82025+100%1978
Summer TanagerCardinalidae82025+88%1978
Blue-gray GnatcatcherPolioptilidae82025+63%1980
Ladder-backed WoodpeckerPicidae72025+144%1978
Ash-throated FlycatcherTyrannidae72025+5%1978
Woodhouse's Scrub-JayCorvidae72025+120%1980
Blue GrosbeakCardinalidae62025+125%1980
Black VultureCathartidae52025+300%1984
Chipping SparrowPasserellidae52025+60%1978
Canyon TowheePasserellidae52024-75%1978
Hutton's VireoVireonidae52025+117%2019
Yellow-billed CuckooCuculidae42025-70%1978
Black-throated SparrowPasserellidae42025-78%1978
Golden-cheeked WarblerParulidae42025+175%1978
House SparrowPasseridae41991+67%1978
Northern BobwhiteOdontophoridae32025-88%1978
Rufous-crowned SparrowPasserellidae32025-60%1978
Black-chinned HummingbirdTrochilidae32025+75%1984
Hooded OrioleIcteridae32017+25%1987
Long-billed ThrasherMimidae32024+75%2015

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.