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Species · BCR 12 · BBS 2026 Release · 1966–2025

Eastern Towhee In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionForest birds

Eastern Towhee in Boreal Hardwood Transition has declined: down 43% on the route-weighted index since 1968.

-43%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 →
99Routes 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 →

No notable trend signals for Eastern Towhee in Boreal Hardwood Transition. See the full index history below.

Eastern Towhee In Boreal Hardwood Transition Population Forecast

If the recent trend holds, Eastern Towhee in Boreal Hardwood Transition is projected to fall about 66% by 2030 — from 2.4 in 2025 to a central estimate of 0.82 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±65.2%, with 60% of held-out values landing inside the 95% band.

-66%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 →
0.82Projected 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 →
0.00–2.095% 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 →
±65.2%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 Boreal Hardwood Transition is projected to fall about 66% by 2030 — from 2.4 in 2025 to a central estimate of 0.82 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±65.2%, with 60% 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 →
20260.910.002.1
20270.890.002.1
20280.860.002.0
20290.840.002.0
20300.820.002.0

Routes In Boreal Hardwood Transition

Routes recording Eastern Towhee in Boreal 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 →
MinongWISCONSIN352025
Union TwpWISCONSIN302025
HarriettaMICHIGAN242025
BackusMINNESOTA132025
HollisterWISCONSIN92025
Grand ViewWISCONSIN72025
BashawWISCONSIN72025
Sand LakeMICHIGAN62025
Lake CityMICHIGAN52022
Hubbard LakeMICHIGAN51989
Land O' Lakes 2WISCONSIN52025
Bear LakeMICHIGAN42025
SkeelsMICHIGAN42015
AmbergWISCONSIN42025
HermanMICHIGAN31997
Maple GroveMICHIGAN31996
IshpemingMICHIGAN32023
Brocky LakeMICHIGAN32025
IsabellaMICHIGAN31998
Pleasant Valley 2MICHIGAN32025
Betchler LksMICHIGAN32025
WausaukeeWISCONSIN32025
ConoverWISCONSIN32025
Ned LakeMICHIGAN22022
Crystal FlsMICHIGAN22025

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