BirdAnalyst
BBS Route · Louisiana · BCR 26

Mayflower Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 46 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
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 BlackbirdIcteridae1232025+119%1969
Mourning DoveColumbidae972025+49%1969
Northern CardinalCardinalidae622025+32%1969
Indigo BuntingCardinalidae552025+47%1969
Northern MockingbirdMimidae472025-4%1969
Carolina WrenTroglodytidae44202516×1969
White IbisThreskiornithidae342024+300%1986
House SparrowPasseridae332025-86%1969
Red-bellied WoodpeckerPicidae312025+679%1969
Cliff SwallowHirundinidae302025+54%2022
Yellow-billed CuckooCuculidae282025+34%1969
Blue JayCorvidae242025+21%1969
European StarlingSturnidae232025+106%1969
Purple MartinHirundinidae232025+190%1969
Tufted TitmouseParidae202025+500%1969
Little Blue HeronArdeidae192025-18%1969
Brown-headed CowbirdIcteridae182025-15%1969
Common GrackleIcteridae172025-63%1969
Barn SwallowHirundinidae172025+780%1972
Painted BuntingCardinalidae132025-53%1969
American CrowCorvidae102025+27%1969
Great Crested FlycatcherTyrannidae102025+100%1970
Western Cattle-EgretArdeidae92025+175%1970
Orchard OrioleIcteridae92025-20%1969
White-eyed VireoVireonidae92025+222%1969
Yellow-breasted ChatIcteriidae92025-45%1969
Brown ThrasherMimidae82025+186%1969
Baltimore OrioleIcteridae72025+36%1969
Eastern TowheePasserellidae72025+122%1969
Wood ThrushTurdidae72025-29%1969
Blue GrosbeakCardinalidae72025+260%1975
Eastern BluebirdTurdidae72025+560%1987
Northern Rough-winged SwallowHirundinidae72024+967%2002
MallardAnatidae71989+250%1975
Prothonotary WarblerParulidae62025+42%1971
American RobinTurdidae62025+400%1975
White-winged DoveColumbidae62025+325%2017
Black-bellied Whistling-DuckAnatidae62023+100%2018
Red-headed WoodpeckerPicidae52025-58%1969
Downy WoodpeckerPicidae52025+567%1973

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