BirdAnalyst
Species · Indiana · BBS 2026 Release · 1966–2025

Tufted Titmouse Population Trend in Indiana

All statesForest birds

Tufted Titmouse in Indiana has held roughly steady: down 0% on the route-weighted index since 1968.

-0%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 →
68Routes 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 IndianaNotable 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 Tufted Titmouse in Indiana. See the full index history below.

Tufted Titmouse Population Forecast in Indiana

If the recent trend holds, Tufted Titmouse in Indiana is projected to stay roughly flat through 2030, near 10 (95% range 5.7–14). A 5-year backtest shows a typical error of ±11.5%, with 100% of held-out values landing inside the 95% band.

-2%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 →
10Projected 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 →
5.7–1495% 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 →
±11.5%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 Indiana is projected to stay roughly flat through 2030, near 10 (95% range 5.7–14). A 5-year backtest shows a typical error of ±11.5%, 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 →
20269.95.614
202710.05.614
2028105.614
2029105.714
2030105.714

Tufted Titmouse Survey Routes in Indiana

Routes recording Tufted Titmouse in Indiana.
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 →
New Phila3320251982
Georgia3320251999
Indian Spgs3020251982
Scottsburg2920251982
Hoosier2220251990
Witts Station2120252000
Spencer1920241967
Cumback1920251966
Belmont1820241981
Azalia1820251982
Clear Spring1820251981
Wallace1820241999
Newberry1720251999
Brookville1620251966
Vevay1620251966
Cyprss1620251999
Anderson1620252000
Middletown1520251966
Pimento1520251981
Celestine1420251979
Corydon1420251966
Knox1220251981
Washington1220251987
Lakeville1220241993
Frankfort1020221999

Tufted Titmouse Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsin

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