BirdAnalyst
BBS Route · Louisiana · BCR 26

River Road Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 38 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1987–2025Span
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 BlackbirdIcteridae1372025+211%1989
Cliff SwallowHirundinidae111202518×2007
Eastern MeadowlarkIcteridae682025-48%1989
Northern CardinalCardinalidae672025-43%1989
Western Cattle-EgretArdeidae582025-54%1989
Purple MartinHirundinidae552025-17%1989
Northern MockingbirdMimidae552025-14%1989
Common GrackleIcteridae542025-63%1989
Black-bellied Whistling-DuckAnatidae392025+614%2016
Black-crowned Night HeronArdeidae37201037×2009
European StarlingSturnidae322025-20%1989
Carolina WrenTroglodytidae312025-20%1989
Mourning DoveColumbidae262025+98%1989
Red-bellied WoodpeckerPicidae252025+44%1989
Brown-headed CowbirdIcteridae242025-26%1989
KilldeerCharadriidae232025+76%1989
Blue JayCorvidae222025-48%1989
Black VultureCathartidae212025+85%1989
Eastern BluebirdTurdidae162025+700%1989
American CrowCorvidae132025-74%1989
Yellow-billed CuckooCuculidae122025-53%1989
Carolina ChickadeeParidae122025-47%1989
House SparrowPasseridae102025-63%1989
Downy WoodpeckerPicidae92025+13%1989
Great EgretArdeidae82025+9%1989
Little Blue HeronArdeidae82025+36%1989
Baltimore OrioleIcteridae82024-40%1989
Loggerhead ShrikeLaniidae82025-79%1989
Great Blue HeronArdeidae72025+100%1989
Rock PigeonColumbidae72024+0%1989
Wood DuckAnatidae62025+333%1989
Eastern KingbirdTyrannidae62025+46%1989
Barn SwallowHirundinidae62025-27%1993
Wild TurkeyPhasianidae62011+50%2008
Boat-tailed GrackleIcteridae62025+44%2016
Snowy EgretArdeidae52025+10%1990
Red-tailed HawkAccipitridae52024+117%1990
Great Crested FlycatcherTyrannidae52025-76%1989
Common YellowthroatParulidae52025-33%1989
Brown ThrasherMimidae52025+0%1989

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