BirdAnalyst
BBS Route · Louisiana · BCR 26

Port Allen Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 15 survey years, still active.

96Species 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2000–2024Span
6Observers

Bird Species Found on Louisiana Port Allen

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Port Allen 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
Red-winged BlackbirdIcteridae1222024-44%2003
Western Cattle-EgretArdeidae472024-36%2003
Barn SwallowHirundinidae472024-21%2003
Mourning DoveColumbidae392024+142%2003
Northern CardinalCardinalidae382024-21%2003
White-faced IbisThreskiornithidae35202413×2019
Brown-headed CowbirdIcteridae302024-67%2003
Common GrackleIcteridae272024-50%2003
Carolina WrenTroglodytidae212024-20%2003
Northern MockingbirdMimidae192024+1%2003
Eastern MeadowlarkIcteridae162024+300%2004
Red-bellied WoodpeckerPicidae152024-35%2003
Cliff SwallowHirundinidae152024-66%2009
Black VultureCathartidae142022-79%2003
KilldeerCharadriidae102024-34%2003
Chimney SwiftApodidae82024+27%2005
Blue JayCorvidae82024+59%2003
Indigo BuntingCardinalidae82024-18%2003
Purple MartinHirundinidae82019-59%2003
Common GallinuleRallidae82013+26%2009
European StarlingSturnidae72024+247%2003
Snowy EgretArdeidae62024-78%2003
Common YellowthroatParulidae62024-44%2003
Black-bellied Whistling-DuckAnatidae62024-44%2012
Painted BuntingCardinalidae52024+33%2003
Northern Rough-winged SwallowHirundinidae52022-49%2008
Great-tailed GrackleIcteridae52022+400%2013
Great EgretArdeidae42022-66%2003
Northern BobwhiteOdontophoridae42024-17%2003
Yellow-billed CuckooCuculidae42024-56%2003
White-eyed VireoVireonidae42024-77%2003
Carolina ChickadeeParidae42024+0%2003
Ruby-throated HummingbirdTrochilidae42010+25%2006
Red-headed WoodpeckerPicidae42005+33%2003
AnhingaAnhingidae32024+20%2003
Little Blue HeronArdeidae32024-53%2003
Summer TanagerCardinalidae32022-26%2003
Blue-gray GnatcatcherPolioptilidae32013-29%2004
Swallow-tailed KiteAccipitridae32019+29%2005
Black-necked StiltRecurvirostridae32024+33%2006

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