BirdAnalyst
BBS Route · Alabama · BCR 27

Blocton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 54 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2025Span
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 CardinalCardinalidae522025-12%1971
American CrowCorvidae482025+256%1971
Tufted TitmouseParidae392025+124%1971
Carolina WrenTroglodytidae332025+20%1971
Northern MockingbirdMimidae312025-7%1971
White-eyed VireoVireonidae302025+105%1971
Pine WarblerParulidae282025+137%1971
Blue JayCorvidae262025-38%1971
Blue-gray GnatcatcherPolioptilidae252025+200%1971
Indigo BuntingCardinalidae242025-19%1971
Barn SwallowHirundinidae242025+563%1972
Red-eyed VireoVireonidae222025+43%1971
Red-bellied WoodpeckerPicidae212025+622%1971
Yellow-breasted ChatIcteriidae212025-28%1971
Chipping SparrowPasserellidae202025+215%1971
Carolina ChickadeeParidae202025+25%1971
Mourning DoveColumbidae172025-56%1971
Yellow-billed CuckooCuculidae172025-16%1971
Hooded WarblerParulidae152025+289%1972
Great Crested FlycatcherTyrannidae142025+30%1971
Brown-headed CowbirdIcteridae142025-20%1971
Prairie WarblerParulidae142025-20%1971
Eastern PhoebeTyrannidae132025+750%1974
Wood ThrushTurdidae122025-61%1971
Eastern BluebirdTurdidae112025+270%1971
Northern ParulaParulidae102025+600%1990
Eastern TowheePasserellidae92025-67%1971
American RobinTurdidae92025+131%1971
Eastern Wood-PeweeTyrannidae82025-58%1971
European StarlingSturnidae82025-11%1971
Brown ThrasherMimidae82025-12%1971
Summer TanagerCardinalidae72025-29%1971
Purple MartinHirundinidae72025-67%1971
Yellow-throated VireoVireonidae72025+127%1971
House FinchFringillidae72025+20%1995
Orchard OrioleIcteridae62025-75%1971
Common GrackleIcteridae62025-65%1972
Northern Rough-winged SwallowHirundinidae62025+44%1972
Swainson's WarblerParulidae62025+333%1979
Cliff SwallowHirundinidae62025+200%2023

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