BirdAnalyst
BBS Route · Louisiana · BCR 26

Tensas Nwr Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 25 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 →
25Years 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
8Observers

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
Indigo BuntingCardinalidae532025-38%1991
Carolina WrenTroglodytidae482025-55%1991
Yellow-billed CuckooCuculidae422025-4%1991
Tufted TitmouseParidae422025+40%1991
Northern CardinalCardinalidae412025-48%1991
White-eyed VireoVireonidae372025-40%1991
Mourning DoveColumbidae362025-29%1991
Red-bellied WoodpeckerPicidae302025-7%1991
Prothonotary WarblerParulidae302025+9%1991
Cliff SwallowHirundinidae302006n/an/a
Little Blue HeronArdeidae292025-48%1991
Acadian FlycatcherTyrannidae262025-28%1991
Barn SwallowHirundinidae222025+109%1991
Yellow-breasted ChatIcteriidae222025-18%1991
Red-eyed VireoVireonidae202025+58%1991
Brown-headed CowbirdIcteridae172025-57%1991
Great Crested FlycatcherTyrannidae162025+92%1991
American CrowCorvidae162025+174%1991
Yellow-throated VireoVireonidae162025+190%1991
Summer TanagerCardinalidae152025-17%1991
Eastern Wood-PeweeTyrannidae132025-9%1991
Red-winged BlackbirdIcteridae122025-54%1991
Blue-gray GnatcatcherPolioptilidae122025-10%1991
Orchard OrioleIcteridae112025-63%1991
Blue JayCorvidae112025+91%1992
Western Cattle-EgretArdeidae102025+2%1991
Hooded WarblerParulidae82025-8%1992
Turkey VultureCathartidae82025+67%2005
Tree SwallowHirundinidae82024n/an/a
Pileated WoodpeckerPicidae62025-10%1991
Downy WoodpeckerPicidae52025-35%1991
Painted BuntingCardinalidae52025-60%1991
Common YellowthroatParulidae52025-65%1991
Carolina ChickadeeParidae52025-61%1991
Wood DuckAnatidae52025+40%1993
Wild TurkeyPhasianidae42025+50%1992
Barred OwlStrigidae42025-31%1991
DickcisselCardinalidae42025-79%1991
White IbisThreskiornithidae42024+333%1994
Black-crowned Night HeronArdeidae42015+300%1991

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