BirdAnalyst
BBS Route · Texas · BCR 37

Port Acres Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 31 survey years, still active.

101Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2025Span
2Observers

Bird Species Found on Texas Port Acres

Top 40 of 101 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-EgretArdeidae632025-10%1996
Northern CardinalCardinalidae502025+60%1996
Eastern MeadowlarkIcteridae382025+9%1996
Black-bellied Whistling-DuckAnatidae382025+690%2013
Northern MockingbirdMimidae332025+0%1996
Blue JayCorvidae312025+147%1996
White IbisThreskiornithidae302025-38%1998
Common GrackleIcteridae282025-48%1996
Laughing GullLaridae232025+50%2004
Great EgretArdeidae212025+125%1996
Red-bellied WoodpeckerPicidae192025+83%1996
Cliff SwallowHirundinidae192025+754%2012
Mourning DoveColumbidae182025-32%1996
Eastern BluebirdTurdidae172025+580%2001
Red-winged BlackbirdIcteridae152025-51%1996
European StarlingSturnidae142025-10%1996
Purple MartinHirundinidae132025-4%1996
House SparrowPasseridae132025+11%1996
American CrowCorvidae122025+300%1997
Carolina WrenTroglodytidae112025+47%1996
Carolina ChickadeeParidae112025+22%1996
Black VultureCathartidae102025+600%1996
Forster's TernLaridae82012+700%2003
Cave SwallowHirundinidae72023+917%2013
Little Blue HeronArdeidae62025-48%1996
Brown-headed CowbirdIcteridae62025+14%1996
Rock PigeonColumbidae52016-13%2009
Yellow-crowned Night HeronArdeidae42025+250%1996
Yellow-billed CuckooCuculidae42025-38%1996
Great-tailed GrackleIcteridae42025-75%1996
Common YellowthroatParulidae42025+133%1996
Boat-tailed GrackleIcteridae42025+67%2000
Barn SwallowHirundinidae42025+133%1997
MallardAnatidae42015+300%2004
Broad-winged HawkAccipitridae42023+167%2015
Mottled DuckAnatidae32024-79%1996
Roseate SpoonbillThreskiornithidae32023-63%1997
Turkey VultureCathartidae32025+175%1996
White-winged DoveColumbidae32025+450%2009
Painted BuntingCardinalidae32025+33%2008

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