BirdAnalyst
BBS Route · Texas · BCR 37

Port Acres Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 30 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2024Span
2Observers

Bird Species Found on Texas Port Acres

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

Species recorded on the Port Acres 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
Western Cattle-EgretArdeidae1432024+27%1996
Northern MockingbirdMimidae532024+8%1996
Northern CardinalCardinalidae412024+52%1996
Purple MartinHirundinidae402024-5%1996
Cliff SwallowHirundinidae372024+869%2012
Eastern MeadowlarkIcteridae352024+2%1996
Mourning DoveColumbidae302024-32%1996
European StarlingSturnidae292024-8%1996
Black-bellied Whistling-DuckAnatidae282024+510%2013
Red-winged BlackbirdIcteridae252024-48%1996
Blue JayCorvidae222024+121%1996
Common GrackleIcteridae182024-44%1996
Little Blue HeronArdeidae132024-52%1996
White-winged DoveColumbidae122024+575%2009
Black VultureCathartidae112024+667%1996
Red-bellied WoodpeckerPicidae112024+44%1996
Great-tailed GrackleIcteridae102024-65%1996
House SparrowPasseridae102024-11%1996
Barn SwallowHirundinidae102024+178%1997
American CrowCorvidae92024+186%1997
Yellow-billed CuckooCuculidae82024-35%1996
Scissor-tailed FlycatcherTyrannidae82024+150%1996
Carolina ChickadeeParidae82024-13%1996
White IbisThreskiornithidae82024-66%1998
Eastern BluebirdTurdidae82024+700%2001
Forster's TernLaridae82012+700%2003
Carolina WrenTroglodytidae72024+0%1996
Cave SwallowHirundinidae72023+917%2013
Fish CrowCorvidae62024+27%1997
Brown-headed CowbirdIcteridae62024+50%1996
Laughing GullLaridae62022-60%2004
Turkey VultureCathartidae52024+225%1996
Rock PigeonColumbidae52016-13%2009
Great EgretArdeidae42024+8%1996
Yellow-crowned Night HeronArdeidae42024+175%1996
Common GallinuleRallidae42024+29%1996
KilldeerCharadriidae42024-76%1996
Common YellowthroatParulidae42024+133%1996
Downy WoodpeckerPicidae42024+160%1999
MallardAnatidae42015+300%2004

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