BBS Route · Louisiana · BCR 25

Fillmore Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 9 survey years, no longer active.

Bird Species Found on Louisiana Fillmore

Top 40 of 85 species by most recent count. Each links to its species trend.

Species recorded on the Fillmore 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
American CrowCorvidae621989+17%1970
Western Cattle-EgretArdeidae571989+11%1979
Northern MockingbirdMimidae481989-16%1970
Eastern MeadowlarkIcteridae381989-23%1970
Northern CardinalCardinalidae371989-18%1970
Carolina WrenTroglodytidae371989+42%1970
Common GrackleIcteridae341989-83%1970
Red-winged BlackbirdIcteridae241989-90%1970
Barn SwallowHirundinidae191989+50%1979
Indigo BuntingCardinalidae151989-37%1970
Tufted TitmouseParidae151989+120%1970
Brown-headed CowbirdIcteridae141989-8%1970
Carolina ChickadeeParidae141989+32%1970
Blue GrosbeakCardinalidae131989+100%1970
DickcisselCardinalidae131989-61%1970
Purple MartinHirundinidae131989-46%1970
Blue-gray GnatcatcherPolioptilidae111989+89%1970
Summer TanagerCardinalidae101989+72%1970
AnhingaAnhingidae91987-29%1969
Mourning DoveColumbidae81989-44%1970
Yellow-billed CuckooCuculidae81989-59%1978
House SparrowPasseridae81989-85%1970
KilldeerCharadriidae71989+400%1970
Northern BobwhiteOdontophoridae71989-79%1970
Red-bellied WoodpeckerPicidae71989-10%1970
Eastern KingbirdTyrannidae71989-37%1970
Blue JayCorvidae71989-37%1970
Little Blue HeronArdeidae61989+12%1979
Downy WoodpeckerPicidae61989+8%1970
Pileated WoodpeckerPicidae61989+50%1978
Chimney SwiftApodidae61989-41%1970
Pine WarblerParulidae61989+411%1978
Rock PigeonColumbidae51989-57%1970
Turkey VultureCathartidae51989+133%1987
European StarlingSturnidae51989+6%1970
Northern Rough-winged SwallowHirundinidae51987+220%1978
Loggerhead ShrikeLaniidae51989+100%1970
White-eyed VireoVireonidae51989-46%1970
Common YellowthroatParulidae51989-42%1970
Red-eyed VireoVireonidae41989+10%1970

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