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BBS Route · Texas · BCR 21

Lockhart Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 47 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 →
47Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
4Observers

Bird Species Found on Texas Lockhart

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

Species recorded on the Lockhart 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
Western Cattle-EgretArdeidae662024+231%1976
Northern CardinalCardinalidae542024+60%1971
Mourning DoveColumbidae442024-32%1971
Northern MockingbirdMimidae332024-45%1971
Black VultureCathartidae312024+975%1976
Red-winged BlackbirdIcteridae292024-56%1971
Painted BuntingCardinalidae292024-1%1971
Scissor-tailed FlycatcherTyrannidae192024-56%1971
American CrowCorvidae162024+39%1971
DickcisselCardinalidae152024-24%1972
House SparrowPasseridae142024-64%1971
Purple MartinHirundinidae142024+76%1974
Carolina WrenTroglodytidae122024+613%1977
Common NighthawkCaprimulgidae82024-86%1971
Brown-headed CowbirdIcteridae82024-85%1971
Cliff SwallowHirundinidae82023-99%1971
Barn SwallowHirundinidae82024+108%1979
Yellow-billed CuckooCuculidae72024-43%1971
KilldeerCharadriidae62024-57%1971
Lark SparrowPasserellidae62024-87%1971
Bewick's WrenTroglodytidae62024-24%1972
Blue JayCorvidae62024+225%1988
Black-crested TitmouseParidae52005+0%1967
Rufous-crowned SparrowPasserellidae51971n/an/a
American AvocetRecurvirostridae41977n/an/a
Chipping SparrowPasserellidae42021-13%2007
Eurasian Collared-DoveColumbidae42024+160%2008
Common Ground DoveColumbidae32021+75%1983
Horned LarkAlaudidae31968-75%1967
Great-tailed GrackleIcteridae32024+0%1971
Carolina ChickadeeParidae32024+47%1972
Field SparrowPasserellidae32024-36%1993
White-eyed VireoVireonidae32024+300%1989
Wild TurkeyPhasianidae32023+0%2001
House FinchFringillidae32024+214%1994
Green HeronArdeidae22022-38%1972
Northern BobwhiteOdontophoridae22018-97%1971
Crested CaracaraFalconidae22024+0%1979
Greater RoadrunnerCuculidae22024+0%1995
Eastern MeadowlarkIcteridae22024-77%1971

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