BirdAnalyst
BBS Route · Alabama · BCR 27

Blocton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 53 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 →
53Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2024Span
4Observers

Bird Species Found on Alabama Blocton

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

Species recorded on the Blocton 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 CardinalCardinalidae622024-17%1971
American CrowCorvidae372024+223%1971
Northern MockingbirdMimidae372024-28%1971
Tufted TitmouseParidae332024+80%1971
White-eyed VireoVireonidae292024+63%1971
Blue-gray GnatcatcherPolioptilidae272024+112%1971
Mourning DoveColumbidae242024-54%1971
Indigo BuntingCardinalidae232024-34%1971
Blue JayCorvidae222024-52%1971
Barn SwallowHirundinidae202024+375%1972
Pine WarblerParulidae192024+53%1971
Red-bellied WoodpeckerPicidae162024+422%1971
Chipping SparrowPasserellidae152024+165%1971
Yellow-billed CuckooCuculidae142024-40%1971
Carolina ChickadeeParidae142024-10%1971
Eastern PhoebeTyrannidae142024+617%1974
Brown-headed CowbirdIcteridae132024-40%1971
Yellow-breasted ChatIcteriidae132024-48%1971
Red-eyed VireoVireonidae122024-6%1971
Carolina WrenTroglodytidae122024+8%1971
American RobinTurdidae122024+150%1971
Eastern TowheePasserellidae112024-68%1971
Prairie WarblerParulidae112024-40%1971
Wood ThrushTurdidae102024-71%1971
Eastern BluebirdTurdidae102024+280%1971
Great Crested FlycatcherTyrannidae92024-26%1971
Summer TanagerCardinalidae92024-42%1971
Brown ThrasherMimidae92024-30%1971
Orchard OrioleIcteridae82024-82%1971
Yellow-throated VireoVireonidae82024+82%1971
Northern ParulaParulidae82024+733%1984
Eurasian Collared-DoveColumbidae82024+200%2007
Blue GrosbeakCardinalidae72024-22%1971
Hooded WarblerParulidae72024+133%1972
Eastern Wood-PeweeTyrannidae62024-75%1971
Common GrackleIcteridae62024-68%1972
Chimney SwiftApodidae52024-76%1971
Swainson's WarblerParulidae52024+167%1979
Fish CrowCorvidae52024-21%1989
Downy WoodpeckerPicidae42024+14%1971

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