BirdAnalyst
Species · Indiana · BBS 2025 Release · 1966–2024

Tufted Titmouse Population Trend in Indiana

All statesForest birds

Tufted Titmouse in Indiana has held roughly steady: down 5% on the route-weighted index since 1968.

-5%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 →
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 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 rise about 27% by 2029 — from 7.9 in 2024 to a central estimate of 10 (95% range 5.6–14). A 5-year backtest shows a typical error of ±16.3%, with 100% of held-out values landing inside the 95% band.

+27%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 →
10Projected 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 →
5.6–1495% 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 →
±16.3%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, Tufted Titmouse in Indiana is projected to rise about 27% by 2029 — from 7.9 in 2024 to a central estimate of 10 (95% range 5.6–14). A 5-year backtest shows a typical error of ±16.3%, 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 →
20259.95.414
20269.95.514
20279.95.514
202810.05.614
2029105.614

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 →
Georgia3220241999
Pimento2620241981
Indian Spgs2120241982
Celestine2120241979
Spencer1920241967
Scottsburg1920241982
Belmont1820241981
Wallace1820241999
New Phila1720241982
Hoosier1720241990
Anderson1520242000
Washington1220241987
Clear Spring1220241981
Cyprss1220241999
Lakeville1220241993
Azalia1120241982
Corydon1020241966
Frankfort1020221999
Muncie919971981
Millersburg920241981
Witts Station920242000
South Bend819911966
Knox820241981
Middletown820241966
Sexton820191982

Tufted Titmouse Population Trend in Other States

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

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