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

Eastern Bluebird In Appalachian Mountains

All regionsAppalachian MountainsForest birds

Eastern Bluebird in Appalachian Mountains has increased: up 31% on the route-weighted index since 1968.

+31%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 →
396Routes 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 Eastern Bluebird in Appalachian Mountains. See the full index history below.

Eastern Bluebird In Appalachian Mountains Population Forecast

If the recent trend holds, Eastern Bluebird in Appalachian Mountains is projected to rise about 17% by 2030 — from 5.5 in 2025 to a central estimate of 6.4 (95% range 4.8–8.0). A 5-year backtest shows a typical error of ±7%, with 100% of held-out values landing inside the 95% band.

+17%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 →
6.4Projected 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 →
4.8–8.095% 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 →
±7%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, Eastern Bluebird in Appalachian Mountains is projected to rise about 17% by 2030 — from 5.5 in 2025 to a central estimate of 6.4 (95% range 4.8–8.0). A 5-year backtest shows a typical error of ±7%, 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 →
20266.24.67.8
20276.34.77.8
20286.34.77.9
20296.44.87.9
20306.44.88.0

Routes In Appalachian Mountains

Routes recording Eastern Bluebird 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 →
Corryton RdTENNESSEE342019
BlacksburgVIRGINIA342025
LovellTENNESSEE302019
Coal RunOHIO291992
StevensonALABAMA272024
Amos MillGEORGIA262022
ChoccoloccoALABAMA252025
StaffordsvilKENTUCKY251997
Mt OliveALABAMA232025
Davis CrossroadsGEORGIA232025
Baxter RidgeOHIO232025
RydePENNSYLVANIA232005
LakeviewALABAMA222025
PaintsvilleKENTUCKY221995
GreensportALABAMA212025
WoodvilleALABAMA202024
TalladegaALABAMA202025
SmithfieldOHIO202025
Natural BridVIRGINIA202025
DearmanvilleALABAMA181983
OneontaALABAMA172025
DrummondALABAMA172024
LinwoodGEORGIA172023
BirminghamOHIO172024
McdonaldWEST-VIRGINIA172023

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