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Species · West Virginia · BBS 2026 Release · 1966–2025

Carolina Chickadee Population Trend in West Virginia

All statesForest birds

Carolina Chickadee in West Virginia has edged up: up 20% on the route-weighted index since 1968.

+20%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 →
52Routes In StateSurvey 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 Carolina Chickadee Trends in West VirginiaNotable 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 Carolina Chickadee in West Virginia. See the full index history below.

Carolina Chickadee Population Forecast in West Virginia

If the recent trend holds, Carolina Chickadee in West Virginia is projected to fall about 10% by 2030 — from 6.0 in 2025 to a central estimate of 5.4 (95% range 3.1–7.8). A 5-year backtest shows a typical error of ±14.3%, with 100% of held-out values landing inside the 95% band.

-10%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 →
5.4Projected 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 →
3.1–7.895% 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 →
±14.3%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, Carolina Chickadee in West Virginia is projected to fall about 10% by 2030 — from 6.0 in 2025 to a central estimate of 5.4 (95% range 3.1–7.8). A 5-year backtest shows a typical error of ±14.3%, 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 →
20265.33.07.6
20275.33.07.7
20285.43.07.7
20295.43.17.7
20305.43.17.8

Carolina Chickadee Survey Routes in West Virginia

Routes recording Carolina Chickadee in West Virginia.
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 →
Shanghai2520251995
Pt Pleasant2020251973
Smithfield1820251993
Martinsburg1820251967
Ghent1620251978
Welch1620251980
Stollings1520211986
Hubbardstown1520251966
Meadland1420251997
Mcdonald1320231987
Paradise1220251966
Monongah1120221966
Henderson1120232002
Clear Creek1020251988
Bebee1020251972
Clinton1020251966
Slate920251980
Ringgold920252025
Cedarville820231982
Pedro720251979
Hanover720251980
Nicut720251986
Arlee619771966
Fayetteville619961980
Sutton620251976

Carolina Chickadee Population Trend in Other States

alabamaarkansasdelawarefloridageorgiaillinoisindianakansaskentuckylouisianamarylandmississippimissourinew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniasouth-carolinatennesseetexasvirginia

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