BirdAnalyst
BBS Route · Louisiana · BCR 26

Mayflower Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 45 survey years, still active.

96Species 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 →
45Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
6Observers

Bird Species Found on Louisiana Mayflower

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Mayflower 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
Red-winged BlackbirdIcteridae1522024+123%1969
Mourning DoveColumbidae932024+28%1969
Northern CardinalCardinalidae672024+28%1969
Western Cattle-EgretArdeidae532024+214%1970
European StarlingSturnidae462024+146%1969
Northern MockingbirdMimidae462024-2%1969
Carolina WrenTroglodytidae46202414×1969
Indigo BuntingCardinalidae442024+18%1969
Barn SwallowHirundinidae44202412×1972
Blue JayCorvidae382024+39%1969
White IbisThreskiornithidae342024+300%1986
Cliff SwallowHirundinidae332024+44%2022
Red-bellied WoodpeckerPicidae322024+643%1969
Purple MartinHirundinidae302024+314%1969
House SparrowPasseridae302024-89%1969
Little Blue HeronArdeidae292024+14%1969
Yellow-billed CuckooCuculidae252024+17%1969
Common GrackleIcteridae232024-63%1969
Tufted TitmouseParidae162024+378%1969
Orchard OrioleIcteridae142024-28%1969
Eastern BluebirdTurdidae132024+440%1987
Chimney SwiftApodidae112024+25%1969
Brown-headed CowbirdIcteridae102024-21%1969
Yellow-breasted ChatIcteriidae102024-45%1969
Downy WoodpeckerPicidae102024+600%1973
Great Crested FlycatcherTyrannidae82024+92%1970
Prothonotary WarblerParulidae82024+8%1971
Black VultureCathartidae82024-8%1975
Eurasian Collared-DoveColumbidae82024+171%2005
Baltimore OrioleIcteridae72024-7%1969
Painted BuntingCardinalidae72024-62%1969
White-eyed VireoVireonidae72024+211%1969
American RobinTurdidae72024+350%1975
Northern Rough-winged SwallowHirundinidae72024+967%2002
MallardAnatidae71989+250%1975
American CrowCorvidae62024+94%1969
Wood ThrushTurdidae62024-46%1969
Black-bellied Whistling-DuckAnatidae62023+100%2018
KilldeerCharadriidae52024+92%1970
Eastern Wood-PeweeTyrannidae52024-11%1969

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