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Species · Michigan · BBS 2026 Release · 1966–2025

Eastern Towhee Population Trend in Michigan

All statesForest birds

Eastern Towhee in Michigan has held roughly steady: up 3% on the route-weighted index since 1968.

+3%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 →
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 Eastern Towhee Trends in MichiganNotable 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 Michigan. See the full index history below.

Eastern Towhee Population Forecast in Michigan

If the recent trend holds, Eastern Towhee in Michigan is projected to fall about 11% by 2030 — from 2.9 in 2025 to a central estimate of 2.6 (95% range 1.6–3.7). A 5-year backtest shows a typical error of ±6.1%, with 100% of held-out values landing inside the 95% band.

-11%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 →
2.6Projected 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 →
1.6–3.795% 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 →
±6.1%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, Eastern Towhee in Michigan is projected to fall about 11% by 2030 — from 2.9 in 2025 to a central estimate of 2.6 (95% range 1.6–3.7). A 5-year backtest shows a typical error of ±6.1%, 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 →
20262.61.63.7
20272.61.63.7
20282.61.63.7
20292.61.63.7
20302.61.63.7

Eastern Towhee Survey Routes in Michigan

Routes recording Eastern Towhee in Michigan.
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 →
Harrietta2420251991
Scottville1820251968
Barry S.G.A.1820121995
Allegan Wma1220191993
Remus1120251974
Bravo1020231974
Monterey1020251978
Almena920151993
Waldenburg720001968
Chippewa Lk.720251992
Barry S.G.A. 2720192013
Sand Lake620251978
Lake City520221970
Howardsville520251969
Hubbard Lake519891986
Owendale520171978
Cohoctah520252021
Hungerford520251991
Belding 2520252004
Hamburg520011981
Bear Lake420251967
Skeels420151966
New Buffalo420141992
Herman319971984
Maple Grove319961992

Eastern Towhee Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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