BirdAnalyst
BBS Route · Texas · BCR 36

Agua Nueva Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 37 survey years, still active.

100Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2023Span
10Observers

Bird Species Found on Texas Agua Nueva

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Agua Nueva 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 CardinalCardinalidae1062023+61%1971
Painted BuntingCardinalidae1022023+82%1971
Mourning DoveColumbidae862023+105%1971
Northern BobwhiteOdontophoridae462023-32%1971
Western MeadowlarkIcteridae43197612×1971
Bewick's WrenTroglodytidae432023+25%1971
Golden-fronted WoodpeckerPicidae402023-19%1971
Scissor-tailed FlycatcherTyrannidae402023+100%1971
Brown-crested FlycatcherTyrannidae392023+171%1971
PyrrhuloxiaCardinalidae362023-52%1971
Turkey VultureCathartidae272023+111%1971
Red-winged BlackbirdIcteridae222023+74%1973
Olive SparrowPasserellidae222023+285%1980
Crested CaracaraFalconidae172023+343%1972
Blue GrosbeakCardinalidae172023+780%1971
Bullock's OrioleIcteridae152023+67%1971
Northern MockingbirdMimidae152023-46%1971
Scaled QuailOdontophoridae122013+25%1973
Harris's HawkAccipitridae112023+17%1971
Bronzed CowbirdIcteridae112023-21%1971
Black-crested TitmouseParidae102023+73%1972
Brown-headed CowbirdIcteridae92023-74%1971
Lark SparrowPasserellidae92023+8%1971
VerdinRemizidae92023+84%1971
White-eyed VireoVireonidae92023+867%1973
Green JayCorvidae92023+300%1980
Hooded OrioleIcteridae92023+120%1999
Curve-billed ThrasherMimidae82023-36%1971
Greater RoadrunnerCuculidae72023+44%1972
Inca DoveColumbidae72023+150%1973
DickcisselCardinalidae72023+150%1990
Cliff SwallowHirundinidae61985+500%1971
Black-bellied Whistling-DuckAnatidae62014+18%1982
Common GrackleIcteridae62004-50%1976
Couch's KingbirdTyrannidae62023+20%1997
Great-tailed GrackleIcteridae52023-55%1971
Ash-throated FlycatcherTyrannidae52023-22%1974
Western KingbirdTyrannidae52019+367%1990
Purple MartinHirundinidae52023-23%1997
White-winged DoveColumbidae42023+125%1972

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