BirdAnalyst
BBS Route · Texas · BCR 36

El Sauz Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 16 survey years, still active.

82Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2023Span
4Observers

Bird Species Found on Texas El Sauz

Top 40 of 82 species by most recent count. Each links to its species trend.

Species recorded on the El Sauz 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 DoveColumbidae772023-10%1995
Northern MockingbirdMimidae732023-32%1995
Northern CardinalCardinalidae492023+77%1995
Bewick's WrenTroglodytidae352023+23%1995
White-winged DoveColumbidae282023+62%1995
House SparrowPasseridae252023+42%1995
Common Ground DoveColumbidae242023-42%1995
Northern BobwhiteOdontophoridae222023+38%1995
Painted BuntingCardinalidae22202312×1997
Cactus WrenTroglodytidae212023-61%1995
Scissor-tailed FlycatcherTyrannidae202023+18%1995
Cassin's SparrowPasserellidae162023-23%1995
Turkey VultureCathartidae142023+133%1995
Brown-crested FlycatcherTyrannidae142023+67%1995
Olive SparrowPasserellidae142023+300%1997
Greater RoadrunnerCuculidae132023-55%1995
Lark SparrowPasserellidae122023+14%1995
VerdinRemizidae102015+127%2005
Ash-throated FlycatcherTyrannidae92015+44%1995
Golden-fronted WoodpeckerPicidae82023-59%1995
Bullock's OrioleIcteridae82023-12%1995
PyrrhuloxiaCardinalidae82023-39%1995
Eurasian Collared-DoveColumbidae72023+250%2015
Ladder-backed WoodpeckerPicidae62023+80%1995
Great-tailed GrackleIcteridae62023-36%1995
Scaled QuailOdontophoridae52023+14%1995
Lesser NighthawkCaprimulgidae52023+18%1995
Eastern MeadowlarkIcteridae52023+19%1995
Curve-billed ThrasherMimidae52023-57%1995
Green JayCorvidae52023+25%1997
Barn SwallowHirundinidae51997+67%1995
Crested CaracaraFalconidae42023-57%1995
Yellow-billed CuckooCuculidae42023-30%1998
Swainson's HawkAccipitridae42023+67%2005
Great KiskadeeTyrannidae42023-17%2001
Inca DoveColumbidae42015+67%2008
Couch's KingbirdTyrannidae32023+56%1995
Audubon's OrioleIcteridae32023+100%2009
Black-throated SparrowPasserellidae32023+233%1995
DickcisselCardinalidae32015-48%2008

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