BirdAnalyst
BBS Route · Alabama · BCR 27

South Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 48 survey years, still active.

95Species 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
4Observers

Bird Species Found on Alabama South

Top 40 of 95 species by most recent count. Each links to its species trend.

Species recorded on the South 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
Northern CardinalCardinalidae322024-53%1968
American CrowCorvidae292024-56%1968
White-eyed VireoVireonidae252024+71%1968
Carolina WrenTroglodytidae242024+39%1968
Turkey VultureCathartidae232024+350%1973
Eastern TowheePasserellidae212024-19%1968
Blue JayCorvidae172024-71%1968
Tufted TitmouseParidae172024+36%1968
Mourning DoveColumbidae152024-84%1968
Indigo BuntingCardinalidae132024-60%1968
Yellow-breasted ChatIcteriidae132024+13%1968
Purple MartinHirundinidae122023-53%1971
Blue-gray GnatcatcherPolioptilidae112024+43%1972
Great Crested FlycatcherTyrannidae102024-30%1968
Common YellowthroatParulidae102024+567%1983
Northern MockingbirdMimidae92024-70%1968
Barn SwallowHirundinidae92024+433%1984
Red-bellied WoodpeckerPicidae82024-38%1968
Blue GrosbeakCardinalidae82024-62%1968
Wood ThrushTurdidae82024-81%1968
Eastern BluebirdTurdidae72024+238%1976
Northern Rough-winged SwallowHirundinidae72011-33%1973
Hooded WarblerParulidae72024+130%1974
Red-eyed VireoVireonidae62024+100%1971
Red-headed WoodpeckerPicidae52023+150%1972
Eastern MeadowlarkIcteridae52006-33%1968
Baltimore OrioleIcteridae51972n/an/a
House FinchFringillidae52024+100%2001
Northern BobwhiteOdontophoridae42024-96%1968
Yellow-billed CuckooCuculidae42024-54%1972
Chuck-will's-widowCaprimulgidae42011-57%1971
Prairie WarblerParulidae42024-21%1972
Pine WarblerParulidae42024+5%1973
Chipping SparrowPasserellidae42006+60%1981
Northern ParulaParulidae42024-42%1973
White IbisThreskiornithidae42002+33%1989
Eurasian Collared-DoveColumbidae42010+300%2003
Swainson's WarblerParulidae42024+33%2023
Chimney SwiftApodidae32024-90%1968
Grasshopper SparrowPasserellidae32003+200%1967

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