BirdAnalyst
BBS Route · Louisiana · BCR 27

Plettenberg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 44 survey years, still active.

96Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2022Span
7Observers

Bird Species Found on Louisiana Plettenberg

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Plettenberg 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
Northern CardinalCardinalidae732022+12%1974
Cliff SwallowHirundinidae602022+842%2011
American CrowCorvidae512022+13%1974
Carolina WrenTroglodytidae412022+11%1974
Blue JayCorvidae382022+154%1974
Tufted TitmouseParidae362022+81%1974
Red-bellied WoodpeckerPicidae292022+78%1974
White-eyed VireoVireonidae292022-38%1974
Carolina ChickadeeParidae282022+205%1974
White IbisThreskiornithidae261988+160%1968
Canada GooseAnatidae232016+360%2009
Hooded WarblerParulidae202022+63%1976
Mourning DoveColumbidae182022+158%1974
Red-eyed VireoVireonidae172022+68%1976
Yellow-billed CuckooCuculidae162022-30%1974
Indigo BuntingCardinalidae162022-9%1974
Acadian FlycatcherTyrannidae152022+126%1974
Brown-headed CowbirdIcteridae142022-27%1974
Great Crested FlycatcherTyrannidae132022+120%1974
Eastern TowheePasserellidae132022-11%1974
Wood ThrushTurdidae122022-28%1974
Pine WarblerParulidae122022+88%1976
Northern ParulaParulidae112022-40%1974
Kentucky WarblerParulidae102022+5%1976
Summer TanagerCardinalidae92022+20%1974
Turkey VultureCathartidae82022+433%1976
Downy WoodpeckerPicidae82022+138%1974
Orchard OrioleIcteridae82022-52%1974
Yellow-breasted ChatIcteriidae82022-74%1974
European StarlingSturnidae72022+113%1974
Northern MockingbirdMimidae62022-79%1974
Rock PigeonColumbidae61994+100%1978
Black VultureCathartidae52022-76%1977
Fish CrowCorvidae52022-64%1974
Brown ThrasherMimidae52022+100%1974
Yellow-throated VireoVireonidae52022-7%1976
Pileated WoodpeckerPicidae42022-13%1974
Eastern MeadowlarkIcteridae42022-73%1974
Prothonotary WarblerParulidae42022+17%1974
Common YellowthroatParulidae42022-72%1974

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