BirdAnalyst
BBS Route · Tennessee · BCR 27

Big Sandy Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 45 survey years, still active.

108Species 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 →
45Years 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
11Observers

Bird Species Found on Tennessee Big Sandy

Top 40 of 108 species by most recent count. Each links to its species trend.

Species recorded on the Big Sandy 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
Cliff SwallowHirundinidae1382025+607%2000
Indigo BuntingCardinalidae1022025+198%1968
European StarlingSturnidae942025+568%1968
American CrowCorvidae582025+244%1968
Northern CardinalCardinalidae552025-3%1968
Chipping SparrowPasserellidae482025+346%1968
Northern ParulaParulidae47202515×1997
White-eyed VireoVireonidae432025+243%1968
Carolina WrenTroglodytidae39202526×1970
Mourning DoveColumbidae382025-66%1968
Northern MockingbirdMimidae382025-44%1968
Eastern BluebirdTurdidae382025+110%1968
Yellow-breasted ChatIcteriidae362025+41%1968
Wood ThrushTurdidae332025+5%1968
Field SparrowPasserellidae322025+7%1968
Eastern Wood-PeweeTyrannidae312025+39%1968
Blue-gray GnatcatcherPolioptilidae312025+200%1968
Brown-headed CowbirdIcteridae302025+57%1968
Orchard OrioleIcteridae302025+196%1968
Blue GrosbeakCardinalidae27202512×1969
Red-eyed VireoVireonidae262025+456%1969
Canada GooseAnatidae262025+144%2021
Summer TanagerCardinalidae252025-3%1968
Tufted TitmouseParidae252025+31%1968
Red-bellied WoodpeckerPicidae242025+161%1968
Barn SwallowHirundinidae242025-40%1968
House SparrowPasseridae242025+2%1968
Eastern MeadowlarkIcteridae222025-54%1968
Acadian FlycatcherTyrannidae22202518×1978
Eastern TowheePasserellidae212025-24%1968
Carolina ChickadeeParidae212025+290%1968
Common YellowthroatParulidae202025-14%1968
Bank SwallowHirundinidae192001n/an/a
Kentucky WarblerParulidae182025+173%1969
White-breasted NuthatchSittidae16202517×1976
House FinchFringillidae162025+12%1997
Yellow-throated VireoVireonidae152025+333%1972
Prairie WarblerParulidae152025+90%1969
Yellow-billed CuckooCuculidae142025+30%1968
Downy WoodpeckerPicidae142025+430%1968

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