BirdAnalyst
BBS Route · Louisiana · BCR 27

Pearl River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 30 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–2025Span
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 CardinalCardinalidae682025+16%1991
Carolina WrenTroglodytidae492025+24%1991
Blue JayCorvidae442025+84%1991
White IbisThreskiornithidae302018+103%2010
American CrowCorvidae292025+83%1991
Tufted TitmouseParidae232025+38%1991
Carolina ChickadeeParidae232025+122%1991
Hooded WarblerParulidae202025+26%1991
Mourning DoveColumbidae192025+36%1991
White-eyed VireoVireonidae172025-12%1991
Great Crested FlycatcherTyrannidae162025+55%1991
Pine WarblerParulidae162025-16%1991
Northern MockingbirdMimidae162025+45%1991
Red-bellied WoodpeckerPicidae152025+33%1991
Brown ThrasherMimidae142025+214%1991
Brown-headed CowbirdIcteridae132025+163%1992
Eastern BluebirdTurdidae132025+77%1991
Eastern TowheePasserellidae112025-51%1991
Barn SwallowHirundinidae112025+50%1993
Chimney SwiftApodidae92025-39%1991
Canada GooseAnatidae92025-25%2018
Downy WoodpeckerPicidae82025+283%1991
European StarlingSturnidae82025+211%1992
Bachman's SparrowPasserellidae72008+50%1991
Purple MartinHirundinidae62025-54%1991
Yellow-throated VireoVireonidae62025+39%1991
Summer TanagerCardinalidae52025+57%1991
Brown-headed NuthatchSittidae52024-50%1991
Gray CatbirdMimidae52025+125%2008
House SparrowPasseridae52025+83%2013
Black-bellied Whistling-DuckAnatidae52025-14%2022
Yellow-breasted ChatIcteriidae42025-76%1991
Wood ThrushTurdidae42025-63%1991
Blue-gray GnatcatcherPolioptilidae42025+78%2005
White-breasted NuthatchSittidae41994n/an/a
MallardAnatidae42015n/an/a
KilldeerCharadriidae32024+100%1992
Red-headed WoodpeckerPicidae32025-35%1991
Orchard OrioleIcteridae32025-63%1991
Common YellowthroatParulidae32025-70%1991

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