BirdAnalyst
Species · BCR 23 · BBS 2026 Release · 1966–2025

Tufted Titmouse In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionForest birds

Tufted Titmouse in Prairie Hardwood Transition has surged: up 203% on the route-weighted index since 1968.

+203%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 →
124Routes In RegionSurvey 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 SignalsNotable 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 surged in Prairie Hardwood Transition: up 203% on the route-weighted index since 1968.

Tufted Titmouse In Prairie Hardwood Transition Population Forecast

If the recent trend holds, Tufted Titmouse in Prairie Hardwood Transition is projected to stay roughly flat through 2030, near 3.5 (95% range 2.2–4.8). A 5-year backtest shows a typical error of ±8.1%, with 100% of held-out values landing inside the 95% band.

-6%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 →
3.5Projected 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 →
2.2–4.895% 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 →
±8.1%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 Prairie Hardwood Transition is projected to stay roughly flat through 2030, near 3.5 (95% range 2.2–4.8). A 5-year backtest shows a typical error of ±8.1%, 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 →
20263.42.04.7
20273.42.14.7
20283.42.14.7
20293.52.24.8
20303.52.24.8

Routes In Prairie Hardwood Transition

Routes recording Tufted Titmouse in Prairie Hardwood Transition.
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 →
ScottvilleMICHIGAN292025
GalesburgMICHIGAN282025
NashvilleMICHIGAN252025
HowardsvilleMICHIGAN252025
RochesterMICHIGAN212025
CohoctahMICHIGAN182025
Belding 2MICHIGAN162025
Barry S.G.A.MICHIGAN142012
Hamburg 2MICHIGAN132025
KnoxINDIANA122025
LakevilleINDIANA122024
MontereyMICHIGAN122025
LapeerMICHIGAN122025
BeldingMICHIGAN112003
Big Blue LkMICHIGAN102025
Chippewa Lk.MICHIGAN102025
Barry S.G.A. 2MICHIGAN102019
BismarkOHIO101995
MottvilleMICHIGAN92025
PrattvilleMICHIGAN92021
AlmenaMICHIGAN92015
South BendINDIANA81991
BravoMICHIGAN82023
RemusMICHIGAN82025
No BradleyMICHIGAN82025

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