BirdAnalyst
BBS Route · Texas · BCR 37

San Pedro Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 111 species recorded across 20 survey years, still active.

111Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2023Span
4Observers

Bird Species Found on Texas San Pedro

Top 40 of 111 species by most recent count. Each links to its species trend.

Species recorded on the San Pedro 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 DoveColumbidae692023+221%1998
Northern CardinalCardinalidae432023+105%1998
White-faced IbisThreskiornithidae431999+378%1998
Brown-crested FlycatcherTyrannidae422023+456%1998
Northern BobwhiteOdontophoridae332023+36%1998
Northern MockingbirdMimidae292023+47%1998
Turkey VultureCathartidae262023-30%1998
Greater RoadrunnerCuculidae182023+140%1998
Couch's KingbirdTyrannidae182023+124%1998
Olive SparrowPasserellidae182023+36%1998
Golden-fronted WoodpeckerPicidae152023+7%1998
Bronzed CowbirdIcteridae142023-48%1998
Eastern MeadowlarkIcteridae142023+60%1998
Lesser GoldfinchFringillidae142023-40%1998
White IbisThreskiornithidae111998n/an/a
Blue GrosbeakCardinalidae102023+18%1998
Barn SwallowHirundinidae102018-92%1998
Snowy EgretArdeidae102016+233%2010
Green JayCorvidae82023+217%1998
Grasshopper SparrowPasserellidae82017+67%2009
Wild TurkeyPhasianidae72023-60%1998
Black-crested TitmouseParidae72023-48%1998
Yellow-billed CuckooCuculidae72023-41%1999
White-tipped DoveColumbidae72023+0%2011
PyrrhuloxiaCardinalidae72017-24%2010
VerdinRemizidae72017+50%2013
Summer TanagerCardinalidae62023-60%1998
White-eyed VireoVireonidae62023-22%1998
Cassin's SparrowPasserellidae62018-8%2001
Wood StorkCiconiidae62001n/an/a
Long-billed ThrasherMimidae52023+200%1999
Curve-billed ThrasherMimidae52017-48%2012
Scissor-tailed FlycatcherTyrannidae42023-32%1998
Ash-throated FlycatcherTyrannidae42023+30%1998
Hooded OrioleIcteridae42023+118%1998
Field SparrowPasserellidae42014-70%1999
Common YellowthroatParulidae42014+20%2012
Scaled QuailOdontophoridae42016+38%2014
Black-necked StiltRecurvirostridae32015-75%1999
KilldeerCharadriidae32014+33%1998

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