BirdAnalyst
Species · BCR 28 · BBS 2026 Release · 1966–2025

Yellow-throated Vireo In Appalachian Mountains

All regionsAppalachian MountainsForest birds

Yellow-throated Vireo in Appalachian Mountains has increased: up 48% on the route-weighted index since 1968.

+48%Since 1968TrendPercent 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 →
380Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Yellow-throated Vireo in Appalachian Mountains. See the full index history below.

Yellow-throated Vireo In Appalachian Mountains Population Forecast

If the recent trend holds, Yellow-throated Vireo in Appalachian Mountains is projected to stay roughly flat through 2030, near 2.0 (95% range 1.6–2.4). A 5-year backtest shows a typical error of ±6.3%, with 100% of held-out values landing inside the 95% band.

+5%Change by 2030TrendPercent 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 →
2.0Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.6–2.495% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±6.3%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Yellow-throated Vireo in Appalachian Mountains is projected to stay roughly flat through 2030, near 2.0 (95% range 1.6–2.4). A 5-year backtest shows a typical error of ±6.3%, with 100% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20262.01.62.4
20272.01.62.4
20282.01.62.4
20292.01.62.4
20302.01.62.4

Routes In Appalachian Mountains

Routes recording Yellow-throated Vireo in Appalachian Mountains.
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 →
Sunny EveALABAMA172025
Coal RunOHIO171992
High PointNEW-JERSEY162025
Beattyville 2KENTUCKY132024
Pine RidgeKENTUCKY121978
KehoeKENTUCKY121992
WilgusOHIO112009
YawkeyWEST-VIRGINIA112024
MonticelloKENTUCKY102022
Shawnee S.F. 2OHIO102019
HonesdalePENNSYLVANIA102025
Josephs MillWEST-VIRGINIA102024
Cumberlnd GpKENTUCKY92018
StaffordsvilKENTUCKY91997
Signal MtnTENNESSEE92025
Yellow SpgWEST-VIRGINIA92022
RinggoldWEST-VIRGINIA92025
KeeneOHIO82023
Natural BridVIRGINIA82025
CedarvilleWEST-VIRGINIA82023
GreerWEST-VIRGINIA82023
GreensportALABAMA72025
HopeNEW-JERSEY71994
Wayne N.F.OHIO72025
CanadensisPENNSYLVANIA72025

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.