BBS Route · Louisiana · BCR 37

Richard Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 14 survey years, still active.

Bird Species Found on Louisiana Richard

Top 40 of 85 species by most recent count. Each links to its species trend.

Species recorded on the Richard 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
White IbisThreskiornithidae3222024+139%2009
Red-winged BlackbirdIcteridae1122024-50%2008
Great EgretArdeidae662024+128%2008
Cave SwallowHirundinidae51202426×2016
Western Cattle-EgretArdeidae462024+18%2008
Northern CardinalCardinalidae332024-30%2008
Snowy EgretArdeidae292024+87%2008
Northern MockingbirdMimidae262024-37%2008
Roseate SpoonbillThreskiornithidae222024-26%2010
Little Blue HeronArdeidae212024+108%2008
Blue JayCorvidae182024+22%2008
Common GrackleIcteridae182024-81%2008
White-faced IbisThreskiornithidae172024+19%2008
Fulvous Whistling-DuckAnatidae152024-34%2008
Mourning DoveColumbidae152024-23%2008
Neotropic CormorantPhalacrocoracidae152024+121%2016
American CrowCorvidae142024-17%2008
European StarlingSturnidae122024-58%2008
Purple MartinHirundinidae102024-59%2008
House SparrowPasseridae102024-76%2008
Black-bellied Whistling-DuckAnatidae92023+83%2008
Black-necked StiltRecurvirostridae82024-4%2008
Red-bellied WoodpeckerPicidae82024+60%2008
Eastern MeadowlarkIcteridae82024-85%2008
Carolina WrenTroglodytidae82024-53%2008
MallardAnatidae82010n/an/a
Cliff SwallowHirundinidae82023n/an/a
Barn SwallowHirundinidae72024-52%2008
Pied-billed GrebePodicipedidae72018+350%2014
Yellow-billed CuckooCuculidae62024+86%2008
Carolina ChickadeeParidae62024-25%2008
Great Blue HeronArdeidae62024+111%2013
KilldeerCharadriidae52024-83%2008
Tufted TitmouseParidae52024-30%2008
Eurasian Collared-DoveColumbidae52024+18%2009
Mottled DuckAnatidae42023+100%2013
Red-tailed HawkAccipitridae42017+300%2009
Wood DuckAnatidae42024+367%2017
Brown-headed CowbirdIcteridae32024-28%2008
Loggerhead ShrikeLaniidae32024-78%2008

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