BirdAnalyst
BBS Route · Louisiana · BCR 26

River Road 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 →
1987–2024Span
2Observers

Bird Species Found on Louisiana River Road

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

Species recorded on the River Road 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 BlackbirdIcteridae1712024+220%1989
Western Cattle-EgretArdeidae1372024-46%1989
Purple MartinHirundinidae1152024-27%1989
European StarlingSturnidae1062024-19%1989
Northern MockingbirdMimidae682024-10%1989
Common GrackleIcteridae652024-67%1989
Northern CardinalCardinalidae492024-50%1989
Mourning DoveColumbidae442024+102%1989
Eastern MeadowlarkIcteridae432024-59%1989
Carolina WrenTroglodytidae382024-22%1989
Black-crowned Night HeronArdeidae37201037×2009
Great EgretArdeidae322024+2%1989
Red-bellied WoodpeckerPicidae262024+19%1989
Blue JayCorvidae212024-62%1989
Brown-headed CowbirdIcteridae212024-14%1989
Chimney SwiftApodidae172024-50%1989
Eastern KingbirdTyrannidae172024+55%1989
KilldeerCharadriidae162024+35%1989
Black VultureCathartidae162024+70%1989
Downy WoodpeckerPicidae142024+13%1989
House SparrowPasseridae132024-66%1989
Cliff SwallowHirundinidae13202413×2007
Turkey VultureCathartidae122024+400%1993
Carolina ChickadeeParidae92024-62%1989
Black-bellied Whistling-DuckAnatidae92024+171%2016
Baltimore OrioleIcteridae82024-40%1989
Eastern BluebirdTurdidae82024+325%1989
Rock PigeonColumbidae72024+0%1989
American CrowCorvidae72024-78%1989
Boat-tailed GrackleIcteridae72024+75%2015
Neotropic CormorantPhalacrocoracidae72024+250%2016
Mississippi KiteAccipitridae62024+40%1990
Brown ThrasherMimidae62024-13%1989
Barn SwallowHirundinidae62024-33%1993
Wild TurkeyPhasianidae62011+50%2008
Snowy EgretArdeidae52024+0%1990
Red-tailed HawkAccipitridae52024+117%1990
Wood ThrushTurdidae52000+400%1995
Eastern Wood-PeweeTyrannidae52010+400%2001
Great-tailed GrackleIcteridae52024n/an/a

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