BirdAnalyst
BBS Route · Louisiana · BCR 25

Chatham Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 81 species recorded across 8 survey years, no longer active.

81Species 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 →
8Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–1975Span
4Observers

Bird Species Found on Louisiana Chatham

Top 40 of 81 species by most recent count. Each links to its species trend.

Species recorded on the Chatham 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
Carolina WrenTroglodytidae851975+43%1969
Northern BobwhiteOdontophoridae461975+22%1969
Northern CardinalCardinalidae451975+30%1969
Yellow-breasted ChatIcteriidae351975+26%1969
Northern MockingbirdMimidae351975+90%1969
White-eyed VireoVireonidae301975-19%1969
Tufted TitmouseParidae271975-11%1969
Blue JayCorvidae241975+24%1969
Common GrackleIcteridae151975+19%1969
Red-bellied WoodpeckerPicidae141975-9%1969
Wood ThrushTurdidae141975-4%1969
Orchard OrioleIcteridae131975+5%1969
Mourning DoveColumbidae111973+29%1969
American CrowCorvidae111975-10%1969
Red-eyed VireoVireonidae111975-56%1969
Brown ThrasherMimidae81975+56%1970
Yellow-billed CuckooCuculidae71975+0%1969
Pileated WoodpeckerPicidae71975-41%1969
Great Crested FlycatcherTyrannidae71975+14%1969
Black-and-white WarblerParulidae61973-20%1968
Purple MartinHirundinidae51975-7%1969
European StarlingSturnidae51973-43%1970
Eastern MeadowlarkIcteridae41975+50%1969
Barn SwallowHirundinidae41975+367%1971
Worm-eating WarblerParulidae41971+25%1968
Red-winged BlackbirdIcteridae41975+267%1971
House SparrowPasseridae41973+344%1970
Chuck-will's-widowCaprimulgidae41975+0%1972
Red-cockaded WoodpeckerPicidae31967n/an/a
Red-headed WoodpeckerPicidae31975+120%1969
Chimney SwiftApodidae31975+23%1969
Chipping SparrowPasserellidae31973+175%1970
Summer TanagerCardinalidae31975-3%1969
Yellow-throated VireoVireonidae31975-46%1968
Prairie WarblerParulidae31973-19%1969
Kentucky WarblerParulidae31975-21%1968
Common YellowthroatParulidae31975+0%1969
American RedstartParulidae31973-44%1969
Carolina ChickadeeParidae31975+6%1969
Downy WoodpeckerPicidae31972-43%1970

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