BirdAnalyst
BBS Route · Louisiana · BCR 37

Ltl Chenier Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 33 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 →
33Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1986–2024Span
5Observers

Bird Species Found on Louisiana Ltl Chenier

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

Species recorded on the Ltl Chenier 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
Purple MartinHirundinidae4712024+507%1989
Red-winged BlackbirdIcteridae4592024+28%1989
Boat-tailed GrackleIcteridae3512024+15%1989
White IbisThreskiornithidae1122024+238%1992
Barn SwallowHirundinidae792024+481%1989
Common YellowthroatParulidae682024+26%1989
Western Cattle-EgretArdeidae622024-5%1989
Common GallinuleRallidae612024+64%1989
Orchard OrioleIcteridae482024+569%1989
Mourning DoveColumbidae342024+102%1989
Eastern MeadowlarkIcteridae322024-78%1989
Black-necked StiltRecurvirostridae262024+144%1989
White-faced IbisThreskiornithidae242024+6%1990
Black-bellied Whistling-DuckAnatidae232024+536%2007
Great EgretArdeidae222024-59%1989
Tricolored HeronArdeidae192024-18%1989
Blue-winged TealAnatidae182014+250%2001
Cave SwallowHirundinidae182023n/an/a
Clapper RailRallidae162024+111%1989
Northern CardinalCardinalidae142024+53%1989
Fulvous Whistling-DuckAnatidae132024+580%2002
WilletScolopacidae132024+104%1989
Eastern KingbirdTyrannidae132024-49%1989
Brown-headed CowbirdIcteridae122024-5%1993
Yellow-billed CuckooCuculidae102024-12%1989
Common GrackleIcteridae102024-45%1995
KilldeerCharadriidae92024+22%1989
Common NighthawkCaprimulgidae82024-23%1989
Least BitternArdeidae72024+410%1989
Green HeronArdeidae72024-13%1989
King RailRallidae72021-75%1989
Caspian TernLaridae72014n/an/a
Herring GullLaridae62006+0%2001
Inca DoveColumbidae62024+133%2017
Blue JayCorvidae52019-50%1989
Great-tailed GrackleIcteridae52024-38%1990
House SparrowPasseridae52024-20%1990
Pied-billed GrebePodicipedidae52023+44%1994
Cliff SwallowHirundinidae52024+67%2014
European StarlingSturnidae42024+814%1989

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