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

Eastern Wood-Pewee In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionAerial insectivores

Eastern Wood-Pewee in Boreal Hardwood Transition has edged up: up 18% on the route-weighted index since 1968.

+18%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 →
127Routes 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 Wood-Pewee in Boreal Hardwood Transition. See the full index history below.

Eastern Wood-Pewee In Boreal Hardwood Transition Population Forecast

If the recent trend holds, Eastern Wood-Pewee in Boreal Hardwood Transition is projected to fall about 35% by 2030 — from 5.6 in 2025 to a central estimate of 3.7 (95% range 2.4–5.0). A 5-year backtest shows a typical error of ±28.7%, with 40% of held-out values landing inside the 95% band.

-35%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 →
3.7Projected 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 →
2.4–5.095% 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 →
±28.7%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 Wood-Pewee in Boreal Hardwood Transition is projected to fall about 35% by 2030 — from 5.6 in 2025 to a central estimate of 3.7 (95% range 2.4–5.0). A 5-year backtest shows a typical error of ±28.7%, with 40% 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 →
20263.72.45.1
20273.72.45.1
20283.72.45.0
20293.72.45.0
20303.72.45.0

Routes In Boreal Hardwood Transition

Routes recording Eastern Wood-Pewee 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 →
BashawWISCONSIN252025
Union TwpWISCONSIN182025
Hubbard LakeMICHIGAN161996
HarriettaMICHIGAN162025
Big Island LakeMICHIGAN152010
WausaukeeWISCONSIN152025
Popple RiverWISCONSIN132025
Hiawatha NfMICHIGAN122025
Cluster LakesMICHIGAN122010
BenaMINNESOTA121977
BlackduckMINNESOTA122022
HollisterWISCONSIN122025
DebsMINNESOTA112025
Bear LakeMICHIGAN102025
Walloon Lake 2MICHIGAN102024
GooseneckMICHIGAN102010
Crystal FlsMICHIGAN92025
HerronMICHIGAN92016
Betchler LksMICHIGAN92025
CromwellMINNESOTA92025
BigforkMINNESOTA92025
MinongWISCONSIN92025
McnaughtonWISCONSIN92024
Washington IWISCONSIN92025
MellenWISCONSIN92025

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