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

Eastern Towhee Population Trend in Michigan

All statesGeneralists

Eastern Towhee in Michigan has held roughly steady: down 1% on the route-weighted index since 1968.

-1%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 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 stay roughly flat through 2029, near 2.6 (95% range 1.5–3.6). A 5-year backtest shows a typical error of ±11.9%, with 100% of held-out values landing inside the 95% band.

-2%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 →
2.6Projected 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 →
1.5–3.695% 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 →
±11.9%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, Eastern Towhee in Michigan is projected to stay roughly flat through 2029, near 2.6 (95% range 1.5–3.6). A 5-year backtest shows a typical error of ±11.9%, 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 →
20252.61.53.6
20262.61.53.6
20272.61.53.6
20282.61.53.6
20292.61.53.6

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 →
Harrietta2220241991
Barry S.G.A.1820121995
Monterey1720241978
Allegan Wma1220191993
Bravo1020231974
Cohoctah920242021
Almena920151993
Lawrence720241969
Waldenburg720001968
Barry S.G.A. 2720192013
Remus620241974
No Bradley620241970
Lake City520221970
Hubbard Lake519891986
Owendale520171978
Hungerford520241991
Hamburg520011981
Chippewa Lk.520241992
Galesburg420241966
Howardsville420241969
Skeels420151966
Hamburg 2420242004
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 2026-05-22.