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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 48 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
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
Mourning DoveColumbidae1042025-27%1971
Northern CardinalCardinalidae602025+81%1971
Red-winged BlackbirdIcteridae372025-58%1971
Northern MockingbirdMimidae352025-42%1971
House SparrowPasseridae282025-62%1971
Painted BuntingCardinalidae222025-6%1971
American CrowCorvidae192025+100%1971
DickcisselCardinalidae192025-6%1972
Carolina WrenTroglodytidae162025+500%1977
Brown-headed CowbirdIcteridae132025-86%1971
Eurasian Collared-DoveColumbidae122025+320%2008
Great-tailed GrackleIcteridae102025+55%1971
Barn SwallowHirundinidae102025+108%1979
Black VultureCathartidae9202512×1976
Tufted TitmouseParidae92025+125%1978
Yellow-billed CuckooCuculidae82025-33%1971
Scissor-tailed FlycatcherTyrannidae82025-65%1971
Cliff SwallowHirundinidae82023-99%1971
Purple MartinHirundinidae72025+3%1974
Blue JayCorvidae72025+325%1988
KilldeerCharadriidae62025-33%1971
Red-bellied WoodpeckerPicidae62025+20%1972
Western Cattle-EgretArdeidae62025+183%1976
White-eyed VireoVireonidae62025+300%1989
Common NighthawkCaprimulgidae52025-82%1971
Eastern MeadowlarkIcteridae52025-78%1971
Lark SparrowPasserellidae52025-91%1971
Bewick's WrenTroglodytidae52025-28%1972
Black-crested TitmouseParidae52005+0%1967
Rufous-crowned SparrowPasserellidae51971n/an/a
European StarlingSturnidae42025+0%1981
American AvocetRecurvirostridae41977n/an/a
Black-bellied Whistling-DuckAnatidae42025-33%1999
Chipping SparrowPasserellidae42021-13%2007
Common Ground DoveColumbidae32021+75%1983
Ladder-backed WoodpeckerPicidae32025-30%1972
Horned LarkAlaudidae31968-75%1967
Blue GrosbeakCardinalidae32025+0%2001
Carolina ChickadeeParidae32025+13%1972
Field SparrowPasserellidae32024-36%1993

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