BirdAnalyst
BBS Route · Alabama · BCR 27

Greensboro Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 52 survey years, still active.

101Species 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 →
1966–2025Span
5Observers

Bird Species Found on Alabama Greensboro

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Greensboro 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
White-eyed VireoVireonidae652025+135%1968
Northern CardinalCardinalidae502025-40%1968
Indigo BuntingCardinalidae412025+28%1968
Yellow-breasted ChatIcteriidae412025-20%1968
Red-eyed VireoVireonidae362025+93%1968
American CrowCorvidae322025+48%1968
Carolina WrenTroglodytidae272025+12%1968
Red-bellied WoodpeckerPicidae262025+103%1968
Blue-gray GnatcatcherPolioptilidae262025+290%1968
Turkey VultureCathartidae262025+875%1972
Wood ThrushTurdidae242025-33%1968
Pine WarblerParulidae242025+131%1969
Mourning DoveColumbidae222025+39%1968
Tufted TitmouseParidae212025-29%1968
Swainson's WarblerParulidae21202512×1972
Barn SwallowHirundinidae202025+162%1972
Northern ParulaParulidae192025+258%1968
Hooded WarblerParulidae192025+456%1968
Northern MockingbirdMimidae192025-34%1968
Brown-headed CowbirdIcteridae182025+56%1968
Great Crested FlycatcherTyrannidae172025+278%1969
Blue JayCorvidae172025-63%1968
Canada GooseAnatidae162024+73%1992
Prairie WarblerParulidae152025+14%1968
Orchard OrioleIcteridae142025+48%1968
Northern Rough-winged SwallowHirundinidae132022+46%1968
Acadian FlycatcherTyrannidae122025+94%1968
Summer TanagerCardinalidae122025-4%1968
Eastern PhoebeTyrannidae12202518×1984
American RedstartParulidae112025+11%1968
Carolina ChickadeeParidae92025-35%1968
Yellow-billed CuckooCuculidae82025-27%1968
Eastern TowheePasserellidae82025-84%1968
Yellow-throated VireoVireonidae82025+360%1969
Cliff SwallowHirundinidae82025-26%2012
Fish CrowCorvidae72025+86%1968
Western Cattle-EgretArdeidae72025+10%1972
Downy WoodpeckerPicidae62025+200%1968
Eastern Wood-PeweeTyrannidae62025-12%1968
Blue GrosbeakCardinalidae62025+140%1968

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