BirdAnalyst
BBS Route · Texas · BCR 20

Valley Spgs Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 109 species recorded across 52 survey years, still active.

109Species 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 →
52Years 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
8Observers

Bird Species Found on Texas Valley Spgs

Top 40 of 109 species by most recent count. Each links to its species trend.

Species recorded on the Valley Spgs 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 CardinalCardinalidae762024+68%1969
Painted BuntingCardinalidae472024+121%1969
Mourning DoveColumbidae442024+15%1969
Bell's VireoVireonidae412024+124%1973
Northern MockingbirdMimidae302024-58%1969
Lark SparrowPasserellidae272024-35%1969
Bullock's OrioleIcteridae262005+417%1997
Turkey VultureCathartidae202024-7%1969
DickcisselCardinalidae202024+47%1973
Blue-gray GnatcatcherPolioptilidae192024+408%1974
Black-crested TitmouseParidae172024+7%1969
Yellow-billed CuckooCuculidae112024-18%1969
Black-throated SparrowPasserellidae112024+133%1970
Bewick's WrenTroglodytidae112024-53%1969
Northern BobwhiteOdontophoridae102024-88%1969
Summer TanagerCardinalidae102024+420%1970
Brown-headed CowbirdIcteridae82024+100%1969
Carolina ChickadeeParidae72024+267%1972
Eurasian Collared-DoveColumbidae72024+175%2009
Wild TurkeyPhasianidae62024-23%1971
Indigo BuntingCardinalidae62005+500%1997
Black VultureCathartidae52024-15%1984
Ladder-backed WoodpeckerPicidae52024+183%1970
Scissor-tailed FlycatcherTyrannidae42024-51%1969
VerdinRemizidae42019+0%1979
Red-bellied WoodpeckerPicidae42016+300%1973
Field SparrowPasserellidae42024+10%1978
Orchard OrioleIcteridae32024-87%1969
House FinchFringillidae32024+0%1976
Golden-fronted WoodpeckerPicidae32024+20%1971
Chipping SparrowPasserellidae32015+25%1974
Red-tailed HawkAccipitridae32024-29%1974
Red-shouldered HawkAccipitridae32023+0%2015
PyrrhuloxiaCardinalidae32022+100%1998
Cooper's HawkAccipitridae32002+200%2001
Vermilion FlycatcherTyrannidae22019+75%1970
House SparrowPasseridae22024-62%1969
Red-winged BlackbirdIcteridae22024+0%1973
Black-billed CuckooCuculidae21969n/an/a
Eastern Wood-PeweeTyrannidae22024+17%1975

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