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

Tufted Titmouse Population Trend in West Virginia

All statesForest birds

Tufted Titmouse in West Virginia has risen sharply: up 70% on the route-weighted index since 1968.

+70%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 →
64Routes 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 Tufted Titmouse 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Tufted Titmouse has risen sharply in West Virginia: up 70% on the route-weighted index since 1968.

Tufted Titmouse Population Forecast in West Virginia

If the recent trend holds, Tufted Titmouse in West Virginia is projected to stay roughly flat through 2030, near 17 (95% range 13–22). A 5-year backtest shows a typical error of ±8.4%, with 100% of held-out values landing inside the 95% band.

+9%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 →
17Projected 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 →
13–2295% 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 →
±8.4%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, Tufted Titmouse in West Virginia is projected to stay roughly flat through 2030, near 17 (95% range 13–22). A 5-year backtest shows a typical error of ±8.4%, 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 →
2026171321
2027171321
2028171322
2029171322
2030171322

Tufted Titmouse Survey Routes in West Virginia

Routes recording Tufted Titmouse 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 →
Shanghai3920251995
Hubbardstown3620251966
Paradise3520251966
Sleepy Creek3519901966
Henderson3320232002
Stollings2920211986
Yawkey2820241966
Slate2720251980
Rockport2720251966
Rio2719951974
Breeden2520241986
Olcott2420241966
Denmar2420251980
Meadland2320251997
Hix2220251970
Sutton2220251976
Strange Crk2020251982
Lost River1920251996
Smithfield1820251993
Martinsburg1820251966
Smoot1720251980
Clear Creek1720251988
Nicut1720251986
Green Bank1720251977
Bebee1720251972

Tufted Titmouse Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawisconsin

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