BirdAnalyst
BBS Route · Tennessee · BCR 27

Big Sandy Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 44 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
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
European StarlingSturnidae1102024+462%1968
Indigo BuntingCardinalidae672024+160%1968
Chipping SparrowPasserellidae572024+383%1968
American CrowCorvidae522024+254%1968
Cliff SwallowHirundinidae472024+237%2000
Northern CardinalCardinalidae452024+7%1968
Mourning DoveColumbidae402024-68%1968
Carolina WrenTroglodytidae40202426×1970
Eastern BluebirdTurdidae392024+84%1968
Yellow-billed CuckooCuculidae382024+42%1968
Northern ParulaParulidae37202414×1997
Tufted TitmouseParidae362024+41%1968
Red-eyed VireoVireonidae352024+472%1969
Yellow-breasted ChatIcteriidae332024+31%1968
Eastern TowheePasserellidae322024-18%1968
White-eyed VireoVireonidae312024+206%1968
Northern MockingbirdMimidae302024-46%1968
Barn SwallowHirundinidae282024-43%1968
Red-bellied WoodpeckerPicidae272024+137%1968
Brown-headed CowbirdIcteridae262024+44%1968
Orchard OrioleIcteridae252024+143%1968
Acadian FlycatcherTyrannidae25202420×1978
House FinchFringillidae252024+16%1997
Eastern Wood-PeweeTyrannidae242024+24%1968
Blue-gray GnatcatcherPolioptilidae242024+193%1968
Eastern MeadowlarkIcteridae202024-55%1968
Summer TanagerCardinalidae202024+3%1968
White-breasted NuthatchSittidae20202415×1976
House SparrowPasseridae192024+9%1968
Bank SwallowHirundinidae192001n/an/a
Downy WoodpeckerPicidae182024+330%1968
Eastern PhoebeTyrannidae172024+567%1968
Blue JayCorvidae172024-63%1968
Common YellowthroatParulidae172024-17%1968
Brown ThrasherMimidae172024+38%1968
Blue GrosbeakCardinalidae162024+840%1969
Field SparrowPasserellidae152024-4%1968
Kentucky WarblerParulidae142024+100%1969
Turkey VultureCathartidae142024+717%1972
Purple MartinHirundinidae132024+13%1968

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