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

Eastern Towhee Population Trend in Wisconsin

All statesGeneralists

Eastern Towhee in Wisconsin has held roughly steady: down 7% on the route-weighted index since 1968.

-7%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 →
96Routes 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 Eastern Towhee 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 →

No notable trend signals for Eastern Towhee in Wisconsin. See the full index history below.

Eastern Towhee Population Forecast in Wisconsin

If the recent trend holds, Eastern Towhee in Wisconsin is projected to fall about 26% by 2029 — from 3.0 in 2024 to a central estimate of 2.2 (95% range 0.86–3.6). A 5-year backtest shows a typical error of ±37.2%, with 80% of held-out values landing inside the 95% band.

-26%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 →
2.2Projected 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 →
0.86–3.695% 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 →
±37.2%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, Eastern Towhee in Wisconsin is projected to fall about 26% by 2029 — from 3.0 in 2024 to a central estimate of 2.2 (95% range 0.86–3.6). A 5-year backtest shows a typical error of ±37.2%, with 80% 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 →
20252.20.883.6
20262.20.873.6
20272.20.873.6
20282.20.863.6
20292.20.863.6

Eastern Towhee Survey Routes in Wisconsin

Routes recording Eastern Towhee 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 →
Union Twp6120241966
Hatfield3519981970
Minong2920241967
Mather2420231966
Gilmanton1620241966
Saxeville1520241966
Cadott1420241966
Grand View820241966
Pigeon Creek820241999
Meridean820241998
Esdaile720241966
Viroqua720231966
Pardeeville720241967
Hollister520241967
Cochrane520241966
N Freedom520241966
Princeton520241966
Hudson420241966
New Lisbon420241967
Amberg320241980
Trempealeau320241966
Oconto Falls320231968
Newburg Crns320241966
Kendall320231967
Buena Vista320241999

Eastern Towhee Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawyoming

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