BirdAnalyst
BBS Route · West Virginia · BCR 28

Olcott Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 36 survey years, still active.

104Species 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 →
36Years 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
8Observers

Bird Species Found on West Virginia Olcott

Top 40 of 104 species by most recent count. Each links to its species trend.

Species recorded on the Olcott 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
Carolina WrenTroglodytidae432024+312%1968
Song SparrowPasserellidae332024+10%1968
American RobinTurdidae292024+22%1968
Northern CardinalCardinalidae252024-13%1968
Tufted TitmouseParidae242024+89%1968
European StarlingSturnidae222024-61%1968
American CrowCorvidae202024-45%1968
Canada GooseAnatidae182014n/an/a
Red-eyed VireoVireonidae172024+28%1968
Yellow WarblerParulidae132024-53%1968
Wood ThrushTurdidae132024-41%1968
American RedstartParulidae122024+73%1969
Chimney SwiftApodidae102024-36%1968
Eastern TowheePasserellidae102024-15%1968
Eastern PhoebeTyrannidae92024-18%1968
Acadian FlycatcherTyrannidae92024-24%1968
Northern MockingbirdMimidae92024+54%1969
House FinchFringillidae92024-8%1996
Eastern BluebirdTurdidae82024-58%1968
Turkey VultureCathartidae82024+39%1970
American GoldfinchFringillidae72024-79%1968
Yellow-throated VireoVireonidae72024+100%1968
Purple MartinHirundinidae72019-50%1969
Mourning DoveColumbidae62024+80%1968
Brown-headed CowbirdIcteridae62024-7%1968
Chipping SparrowPasserellidae62024-45%1968
Red-bellied WoodpeckerPicidae52024+13%1968
Red-winged BlackbirdIcteridae52024+14%1968
Louisiana WaterthrushParulidae52023+13%1968
Common YellowthroatParulidae42024-91%1968
House SparrowPasseridae42024-81%1968
Carolina ChickadeeParidae42024-74%1968
Hooded WarblerParulidae42024+400%1969
Northern ParulaParulidae42024+175%1973
Yellow-throated WarblerParulidae42024+122%1971
Cliff SwallowHirundinidae42022-33%2017
Eastern Wood-PeweeTyrannidae32024-70%1968
Scarlet TanagerCardinalidae32024-65%1968
White-eyed VireoVireonidae32024-84%1968
Cerulean WarblerParulidae32024-20%1968

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