BirdAnalyst
BBS Route · Texas · BCR 36

Encinal Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 107 species recorded across 40 survey years, no longer active.

107Species 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 →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2010Span
2Observers

Bird Species Found on Texas Encinal

Top 40 of 107 species by most recent count. Each links to its species trend.

Species recorded on the Encinal 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
Cave SwallowHirundinidae3682010+240%1983
Great-tailed GrackleIcteridae1252010+468%1971
Northern MockingbirdMimidae852010-19%1971
Mourning DoveColumbidae842010+34%1971
Black VultureCathartidae70200912×1980
Turkey VultureCathartidae432010-21%1971
Black-throated SparrowPasserellidae432010-65%1971
Olive SparrowPasserellidae42201015×1973
White-winged DoveColumbidae41201015×1992
Painted BuntingCardinalidae292010+3%1971
Ash-throated FlycatcherTyrannidae282010+293%1971
Cassin's SparrowPasserellidae282010-75%1971
Bewick's WrenTroglodytidae232010+187%1971
Scissor-tailed FlycatcherTyrannidae222010+44%1971
Eurasian Collared-DoveColumbidae212010+720%2004
Cactus WrenTroglodytidae202010-78%1971
House SparrowPasseridae182010-93%1971
Red-winged BlackbirdIcteridae162010-7%1971
Northern BobwhiteOdontophoridae152010-76%1971
Brown-crested FlycatcherTyrannidae142010+111%1971
Lesser NighthawkCaprimulgidae132010+27%1972
Golden-fronted WoodpeckerPicidae122010-57%1971
Northern CardinalCardinalidae122010-15%1971
Red-eyed VireoVireonidae121969n/an/a
Curve-billed ThrasherMimidae122010-64%1971
Brown-headed CowbirdIcteridae112010-26%1971
Audubon's OrioleIcteridae112010+363%1973
Bullock's OrioleIcteridae92010+107%1971
Lark SparrowPasserellidae92010-17%1971
European StarlingSturnidae92010+110%1988
Inca DoveColumbidae82010+213%1971
Ladder-backed WoodpeckerPicidae72010+67%1971
Bronzed CowbirdIcteridae72010+475%1972
PyrrhuloxiaCardinalidae72010-93%1971
White-tipped DoveColumbidae72010+300%1998
Great Horned OwlStrigidae52010+0%1978
Bell's VireoVireonidae52010-84%1971
Scaled QuailOdontophoridae42010-87%1971
Harris's HawkAccipitridae42010-22%1971
Greater RoadrunnerCuculidae42010+82%1972

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