BirdAnalyst
BBS Route · Alabama · BCR 27

Billingsley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 107 species recorded across 52 survey years, still active.

107Species 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 →
52Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2022Span
9Observers

Bird Species Found on Alabama Billingsley

Top 40 of 107 species by most recent count. Each links to its species trend.

Species recorded on the Billingsley 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 CardinalCardinalidae452022+22%1968
Northern MockingbirdMimidae402022-42%1968
Cliff SwallowHirundinidae402022-29%2005
Blue JayCorvidae282022-20%1968
Indigo BuntingCardinalidae262022+1%1968
Mourning DoveColumbidae232022-15%1968
European StarlingSturnidae232022+71%1968
American CrowCorvidae222022+83%1968
Carolina ChickadeeParidae222022+77%1968
Carolina WrenTroglodytidae202022+74%1968
Summer TanagerCardinalidae172022+125%1968
Eastern TowheePasserellidae162022-4%1968
Red-eyed VireoVireonidae162022+308%1968
Chipping SparrowPasserellidae152022+68%1968
Brown-headed CowbirdIcteridae142022-8%1968
Orchard OrioleIcteridae132022-60%1968
Pine WarblerParulidae132022+533%1970
Eastern KingbirdTyrannidae122022-29%1968
Northern Rough-winged SwallowHirundinidae122022-13%1968
Barn SwallowHirundinidae122022+164%1978
Tufted TitmouseParidae112022+30%1968
Eastern PhoebeTyrannidae112022+500%1969
Red-bellied WoodpeckerPicidae102022+17%1968
Eastern MeadowlarkIcteridae102022-50%1968
Eastern BluebirdTurdidae102022+108%1971
White-eyed VireoVireonidae82022+24%1968
Blue-gray GnatcatcherPolioptilidae82022+520%1968
Wood ThrushTurdidae82022+15%1968
House FinchFringillidae82022+533%1997
Yellow-breasted ChatIcteriidae72022-24%1968
Eurasian Collared-DoveColumbidae72022+54%2007
Northern BobwhiteOdontophoridae62022-89%1968
Common GrackleIcteridae62022-76%1968
Blue GrosbeakCardinalidae62022-26%1968
Yellow-billed CuckooCuculidae52022-9%1968
Red-winged BlackbirdIcteridae52022-86%1968
Great Blue HeronArdeidae52022+40%1990
Prairie WarblerParulidae42022-62%1968
House SparrowPasseridae42022-77%1968
Common YellowthroatParulidae42022-10%1969

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