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

Tufted Titmouse Population Trend in Wisconsin

All statesForest birds

Tufted Titmouse in Wisconsin has surged: up 130% on the route-weighted index since 1968.

+130%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 →
48Routes 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 →
56YearsYears 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 WisconsinNotable 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 Wisconsin: up 130% on the route-weighted index since 1968.

Tufted Titmouse Population Forecast in Wisconsin

If the recent trend holds, Tufted Titmouse in Wisconsin is projected to rise about 36% by 2029 — from 0.27 in 2024 to a central estimate of 0.37 (95% range 0.17–0.56). A 5-year backtest shows a typical error of ±20.9%, with 100% of held-out values landing inside the 95% band.

+36%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 →
0.37Projected 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 →
0.17–0.5695% 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 →
±20.9%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 Wisconsin is projected to rise about 36% by 2029 — from 0.27 in 2024 to a central estimate of 0.37 (95% range 0.17–0.56). A 5-year backtest shows a typical error of ±20.9%, 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 →
20250.350.150.54
20260.350.160.55
20270.360.160.55
20280.360.170.56
20290.370.170.56

Tufted Titmouse Survey Routes in Wisconsin

Routes recording Tufted Titmouse in Wisconsin.
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 →
Newburg Crns520231966
Hazel Green520061966
Fall River420232001
Manawa320232021
Princeton320242008
Hudson219981980
Hatfield219961996
Mukwonago 2220242010
Viroqua220241966
Rolling Grnd220241966
N Freedom220241966
Buena Vista220232023
Hebron220232002
Briggsville220242004
Beloit220232010
Union Twp119971971
Cumberland120242024
Weyerhauser120241995
Highland120241999
Gilman120192019
Omro 2120222022
Rib Lake120172017
Hollister119731973
Amberg120212021
Esdaile120181966

Tufted Titmouse Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginia

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