BirdAnalyst
BBS Route · Louisiana · BCR 26

Tensas Nwr Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 24 survey years, still active.

91Species 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 →
24Years 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
7Observers

Bird Species Found on Louisiana Tensas Nwr

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Tensas Nwr 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-bellied WoodpeckerPicidae612024+15%1991
Northern CardinalCardinalidae612024-45%1991
Indigo BuntingCardinalidae602024-38%1991
Mourning DoveColumbidae542024-18%1991
White-eyed VireoVireonidae472024-39%1991
Yellow-billed CuckooCuculidae392024-24%1991
Tufted TitmouseParidae362024+43%1991
Cliff SwallowHirundinidae302006n/an/a
American CrowCorvidae282024+274%1991
Red-winged BlackbirdIcteridae242024-57%1991
Carolina WrenTroglodytidae242024-74%1991
Acadian FlycatcherTyrannidae232024-32%1991
Prothonotary WarblerParulidae222024-38%1991
Blue JayCorvidae202024+186%1992
Barn SwallowHirundinidae172023+22%1991
Red-eyed VireoVireonidae172024+23%1991
Brown-headed CowbirdIcteridae162024-65%1991
Yellow-breasted ChatIcteriidae162024-15%1991
Summer TanagerCardinalidae152024-4%1991
Great EgretArdeidae122024+31%1991
Pileated WoodpeckerPicidae102024+103%1991
Eastern Wood-PeweeTyrannidae82024-3%1991
Yellow-throated VireoVireonidae82024+60%1991
Carolina ChickadeeParidae82024-61%1991
Tree SwallowHirundinidae82024n/an/a
Turkey VultureCathartidae72021+67%2005
Red-shouldered HawkAccipitridae62024+46%1991
Kentucky WarblerParulidae62017-44%1991
Wood ThrushTurdidae52024-12%1991
White IbisThreskiornithidae42024+333%1994
Black-crowned Night HeronArdeidae42015+300%1991
Little Blue HeronArdeidae32024-86%1991
Red-tailed HawkAccipitridae32008+50%1993
Downy WoodpeckerPicidae32024-47%1991
Great Crested FlycatcherTyrannidae32024+0%1991
Common GrackleIcteridae32024-63%1991
Northern ParulaParulidae32024-80%1991
Broad-winged HawkAccipitridae32007-25%1992
Purple MartinHirundinidae32024+0%1996
Eastern KingbirdTyrannidae32019+50%2016

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