BirdAnalyst
BBS Route · Texas · BCR 37

San Pedro Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 111 species recorded across 21 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2025Span
5Observers

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
Northern BobwhiteOdontophoridae712025+57%1998
Mourning DoveColumbidae622025+225%1998
White-faced IbisThreskiornithidae431999+378%1998
Brown-crested FlycatcherTyrannidae422023+456%1998
Ash-throated FlycatcherTyrannidae302025+105%1998
Northern MockingbirdMimidae232025-8%1998
Couch's KingbirdTyrannidae182023+124%1998
Olive SparrowPasserellidae182023+36%1998
Western KingbirdTyrannidae162025+70%2016
Golden-fronted WoodpeckerPicidae152023+7%1998
Bronzed CowbirdIcteridae142023-48%1998
Lesser GoldfinchFringillidae142023-40%1998
Turkey VultureCathartidae132025-12%1998
Eastern MeadowlarkIcteridae132025-26%1998
Northern CardinalCardinalidae112025+34%1998
White IbisThreskiornithidae111998n/an/a
Barn SwallowHirundinidae102018-92%1998
Snowy EgretArdeidae102016+233%2010
Greater RoadrunnerCuculidae92025+220%1998
Brown-headed CowbirdIcteridae92025+50%1998
Great-tailed GrackleIcteridae92025-44%2002
Groove-billed AniCuculidae92025+71%2014
Grasshopper SparrowPasserellidae82017+67%2009
Scissor-tailed FlycatcherTyrannidae72025-68%1998
Black-crested TitmouseParidae72023-48%1998
White-eyed VireoVireonidae62023-22%1998
Cassin's SparrowPasserellidae62018-8%2001
Wood StorkCiconiidae62001n/an/a
Long-billed ThrasherMimidae52023+200%1999
Bewick's WrenTroglodytidae52025-21%1999
Red-winged BlackbirdIcteridae52025-68%1999
Yellow-billed CuckooCuculidae42025-32%1999
Common YellowthroatParulidae42014+20%2012
Scaled QuailOdontophoridae42016+38%2014
Black-necked StiltRecurvirostridae32025-65%1999
KilldeerCharadriidae32025+67%1998
Painted BuntingCardinalidae32023-79%1998
Pied-billed GrebePodicipedidae31998n/an/a
Long-billed CurlewScolopacidae32014+33%2003
Laughing GullLaridae22025+38%1998

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