BirdAnalyst
BBS Route · Louisiana · BCR 37

Ltl Chenier Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 34 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 →
34Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1986–2025Span
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
Red-winged BlackbirdIcteridae4732025+75%1989
Boat-tailed GrackleIcteridae2272025+18%1989
Common YellowthroatParulidae682025+71%1989
Common GallinuleRallidae472025+70%1989
White IbisThreskiornithidae372025+138%1992
Mourning DoveColumbidae372025+126%1989
Great-tailed GrackleIcteridae312025+28%1990
Western Cattle-EgretArdeidae292025+18%1989
Barn SwallowHirundinidae292025+477%1989
Eastern MeadowlarkIcteridae282025-65%1989
Black-necked StiltRecurvirostridae272025+103%1989
Northern CardinalCardinalidae262025+88%1989
Black-bellied Whistling-DuckAnatidae242025+393%2007
Tricolored HeronArdeidae232025+12%1989
WilletScolopacidae212025+83%1989
KilldeerCharadriidae212025+70%1989
Orchard OrioleIcteridae212025+550%1989
Purple MartinHirundinidae202025+477%1989
Blue-winged TealAnatidae182014+250%2001
Great EgretArdeidae162025-74%1989
Purple GallinuleRallidae152025+167%1989
Fulvous Whistling-DuckAnatidae132024+580%2002
White-faced IbisThreskiornithidae132025-22%1990
Clapper RailRallidae122025+95%1989
Common NighthawkCaprimulgidae122025-10%1989
Brown-headed CowbirdIcteridae122025+29%1993
Eastern KingbirdTyrannidae112025-40%1989
Mottled DuckAnatidae102025-83%1989
Least BitternArdeidae92025+290%1989
Snowy EgretArdeidae92025-72%1989
Northern MockingbirdMimidae82025-69%1989
Common GrackleIcteridae82025-40%1995
Green HeronArdeidae72025+0%1989
King RailRallidae72021-75%1989
Painted BuntingCardinalidae72025+113%2014
Yellow-crowned Night HeronArdeidae72025-52%1992
Caspian TernLaridae72014n/an/a
Herring GullLaridae62006+0%2001
Inca DoveColumbidae62024+133%2017
Cliff SwallowHirundinidae62025+53%2019

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