BirdAnalyst
BBS Route · Alabama · BCR 27

South Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 49 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 →
49Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
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 CardinalCardinalidae482025-42%1968
White-eyed VireoVireonidae292025+147%1968
American CrowCorvidae232025-46%1968
Carolina WrenTroglodytidae222025+71%1968
Tufted TitmouseParidae222025+127%1968
Yellow-billed CuckooCuculidae212025+3%1972
Indigo BuntingCardinalidae202025-23%1968
Mourning DoveColumbidae192025-74%1968
Red-bellied WoodpeckerPicidae182025-22%1968
Yellow-breasted ChatIcteriidae182025+50%1968
Blue JayCorvidae172025-62%1968
Hooded WarblerParulidae152025+230%1974
Great Crested FlycatcherTyrannidae132025+7%1968
Eastern TowheePasserellidae132025+10%1968
Wood ThrushTurdidae132025-67%1968
Red-eyed VireoVireonidae112025+188%1971
Northern MockingbirdMimidae102025-81%1968
Pine WarblerParulidae102025+53%1973
Blue-gray GnatcatcherPolioptilidae92025+71%1972
Western Cattle-EgretArdeidae92025-79%1974
Barn SwallowHirundinidae92025+433%1984
Common YellowthroatParulidae82025+800%1983
Blue GrosbeakCardinalidae72025-53%1968
Northern Rough-winged SwallowHirundinidae72011-33%1973
Northern ParulaParulidae72025+8%1973
Yellow-throated WarblerParulidae62025+267%1982
Downy WoodpeckerPicidae52025+0%1968
Red-shouldered HawkAccipitridae52025+100%1971
Acadian FlycatcherTyrannidae52025+60%1974
Baltimore OrioleIcteridae51972n/an/a
House FinchFringillidae52024+100%2001
Eastern PhoebeTyrannidae52025+100%2022
Turkey VultureCathartidae42025+400%1973
Brown-headed CowbirdIcteridae42025-80%1968
Summer TanagerCardinalidae42025-71%1968
Brown ThrasherMimidae42025-8%1968
Chuck-will's-widowCaprimulgidae42011-57%1971
Eastern BluebirdTurdidae42025+200%1976
Pileated WoodpeckerPicidae42025-22%1973
Chipping SparrowPasserellidae42006+60%1981

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