BirdAnalyst
BBS Route · Louisiana · BCR 27

Bickham Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 38 survey years, still active.

98Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2024Span
3Observers

Bird Species Found on Louisiana Bickham

Top 40 of 98 species by most recent count. Each links to its species trend.

Species recorded on the Bickham 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
Mourning DoveColumbidae832024+146%1985
Northern CardinalCardinalidae782024+23%1985
American CrowCorvidae662024+2%1985
Blue JayCorvidae452024+52%1985
Carolina WrenTroglodytidae442024+483%1985
Northern MockingbirdMimidae372024-40%1985
Red-bellied WoodpeckerPicidae352024+41%1986
Cliff SwallowHirundinidae322024+59%2013
Purple MartinHirundinidae252024-4%1985
Common GrackleIcteridae232024-79%1985
Eastern BluebirdTurdidae212024+70%1987
White-eyed VireoVireonidae202024+113%1986
Wood ThrushTurdidae202024+156%1986
Eastern MeadowlarkIcteridae182024-19%1985
Carolina ChickadeeParidae182024+27%1985
Tufted TitmouseParidae162024+0%1986
Indigo BuntingCardinalidae142024+181%1985
Eastern TowheePasserellidae132024-28%1985
Yellow-billed CuckooCuculidae132024-38%1986
Western Cattle-EgretArdeidae122024-21%1985
Red-winged BlackbirdIcteridae122024+151%1985
Downy WoodpeckerPicidae122024+50%1986
Fish CrowCorvidae112024-46%1985
Northern BobwhiteOdontophoridae102024-55%1985
Brown-headed CowbirdIcteridae102024+56%1985
Barn SwallowHirundinidae102024+142%1986
Yellow-breasted ChatIcteriidae82024+31%1986
Common YellowthroatParulidae72024+20%1986
Mississippi KiteAccipitridae72023+67%2007
Blue-gray GnatcatcherPolioptilidae62024+140%1986
Eurasian Collared-DoveColumbidae62024-50%2005
Black VultureCathartidae52024-70%1987
Chimney SwiftApodidae52024-56%1985
Blue GrosbeakCardinalidae52024-50%1986
Red-headed WoodpeckerPicidae42024-40%1985
Wood DuckAnatidae42022+40%1990
Pileated WoodpeckerPicidae42024+43%1986
Great Crested FlycatcherTyrannidae42024+44%1986
Yellow-throated VireoVireonidae42024+75%1989
Rock PigeonColumbidae42024-25%1990

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