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

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 →
63Routes 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 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 69% 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 2029, near 17 (95% range 13–22). A 5-year backtest shows a typical error of ±11.8%, with 100% of held-out values landing inside the 95% band.

+1%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 →
17Projected 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 →
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 →
±11.8%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 2029, near 17 (95% range 13–22). A 5-year backtest shows a typical error of ±11.8%, 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 →
2025171321
2026171321
2027171322
2028171322
2029171322

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 →
Bramwell3620231978
Hubbardstown3620231966
Sleepy Creek3519901966
Henderson3320232002
Ghent3220241978
Welch3120231980
Stollings2920211986
Yawkey2820241966
Washburn2820221974
Three Forks2720241971
Rio2719951974
Hix2620241970
Hanover2620241980
Spencer2620231986
Meadowville2620241972
Breeden2520241986
Clinton2520241966
Olcott2420241966
Sutton2420241976
Bowden2320241993
Mo Of Seneca2120241969
Denmar2020241980
Rockport2020241966
Strange Crk1920241982
Meadland1820241997

Tufted Titmouse Population Trend in Other States

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

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