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Species · West Virginia · BBS 2025 Release · 1966–2024

Carolina Chickadee Population Trend in West Virginia

All statesForest birds

Carolina Chickadee in West Virginia has edged up: up 16% on the route-weighted index since 1968.

+16%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 →
51Routes 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 →
58YearsYears 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 16% by 2029 — from 6.4 in 2024 to a central estimate of 5.3 (95% range 3.0–7.7). A 5-year backtest shows a typical error of ±17.7%, with 100% of held-out values landing inside the 95% band.

-16%Change by 2029TrendPercent 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 →
5.3Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
3.0–7.795% 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 →
±17.7%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, Carolina Chickadee in West Virginia is projected to fall about 16% by 2029 — from 6.4 in 2024 to a central estimate of 5.3 (95% range 3.0–7.7). A 5-year backtest shows a typical error of ±17.7%, with 100% of held-out values landing inside the 95% band.19662029
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 →
20255.22.97.6
20265.32.97.6
20275.32.97.6
20285.33.07.7
20295.33.07.7

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 →
Bramwell3520231978
Martinsburg2720241967
Clear Creek2620241988
Clinton2120241966
Hix1820241970
Hubbardstown1720231966
Pedro1620241979
Welch1620231980
Stollings1520211986
Hanover1420241980
Shanghai1420221995
Slate1320241980
Washburn1320221974
Mcdonald1320231987
Ghent1220241978
Clendenin1220241979
Nicut1120241986
Rockport1120241966
Monongah1120221966
Henderson1120232002
Paradise820231966
Cedarville820231982
Moundsville820241972
Bebee820241972
Meadland720241997

Carolina Chickadee Population Trend in Other States

alabamaarkansasdelawarefloridageorgiaillinoisindianakansaskentuckylouisianamarylandmississippimissourinew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniasouth-carolinatennesseetexasvirginia

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.