BirdAnalyst
BBS Route · Louisiana · BCR 27

Pearl River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 29 survey years, still active.

97Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–2024Span
4Observers

Bird Species Found on Louisiana Pearl River

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Pearl River 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 CardinalCardinalidae712024+26%1991
American CrowCorvidae642024+67%1991
Blue JayCorvidae502024+96%1991
Carolina WrenTroglodytidae362024+8%1991
White IbisThreskiornithidae302018+103%2010
Northern MockingbirdMimidae262024+52%1991
Tufted TitmouseParidae202024+25%1991
White-eyed VireoVireonidae162024-6%1991
Pine WarblerParulidae162024-18%1991
Red-bellied WoodpeckerPicidae152024+74%1991
Purple MartinHirundinidae132024-39%1991
Brown ThrasherMimidae132024+200%1991
Carolina ChickadeeParidae132024+78%1991
Eastern TowheePasserellidae122024-35%1991
Hooded WarblerParulidae112024+20%1991
Great Crested FlycatcherTyrannidae92024+10%1991
Common YellowthroatParulidae82024-63%1991
Barn SwallowHirundinidae82024+6%1993
Mourning DoveColumbidae72024+14%1991
Chimney SwiftApodidae72024-36%1991
Bachman's SparrowPasserellidae72008+50%1991
Eastern BluebirdTurdidae72024+53%1991
Black-bellied Whistling-DuckAnatidae72024-7%2022
Downy WoodpeckerPicidae62024+233%1991
Northern ParulaParulidae62024-35%1991
Red-headed WoodpeckerPicidae52024-35%1991
Summer TanagerCardinalidae52024+14%1991
Brown-headed NuthatchSittidae52024-50%1991
Brown-headed CowbirdIcteridae42024+113%1992
Yellow-throated VireoVireonidae42024+8%1991
Yellow-breasted ChatIcteriidae42024-73%1991
Blue-gray GnatcatcherPolioptilidae42024+78%2005
Boat-tailed GrackleIcteridae42011+25%2005
Gray CatbirdMimidae42024+138%2008
White-breasted NuthatchSittidae41994n/an/a
House SparrowPasseridae42024+100%2013
MallardAnatidae42015n/an/a
KilldeerCharadriidae32024+100%1992
Red-winged BlackbirdIcteridae32024+67%1995
Canada GooseAnatidae32022-69%2018

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