BirdAnalyst
Species · BCR 23 · BBS 2025 Release · 1966–2024

Eastern Wood-Pewee In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionAerial insectivores

Eastern Wood-Pewee in Prairie Hardwood Transition has surged: up 134% on the route-weighted index since 1968.

+134%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 →
160Routes 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 →
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 SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Eastern Wood-Pewee has surged in Prairie Hardwood Transition: up 134% on the route-weighted index since 1968.

Eastern Wood-Pewee In Prairie Hardwood Transition Population Forecast

If the recent trend holds, Eastern Wood-Pewee in Prairie Hardwood Transition is projected to stay roughly flat through 2029, near 7.0 (95% range 5.8–8.1). A 5-year backtest shows a typical error of ±9.9%, with 80% of held-out values landing inside the 95% band.

-4%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 →
7.0Projected 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 →
5.8–8.195% 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 →
±9.9%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 Wood-Pewee in Prairie Hardwood Transition is projected to stay roughly flat through 2029, near 7.0 (95% range 5.8–8.1). A 5-year backtest shows a typical error of ±9.9%, 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 →
20256.75.67.9
20266.85.67.9
20276.95.78.0
20286.95.88.1
20297.05.88.1

Routes In Prairie Hardwood Transition

Routes recording Eastern Wood-Pewee in Prairie 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 →
CadottWISCONSIN292024
MatherWISCONSIN262023
N FreedomWISCONSIN262024
MontereyMICHIGAN252024
Stevens PtWISCONSIN232023
PardeevilleWISCONSIN232024
GreshamWISCONSIN232024
Sherburne NrMINNESOTA222024
NashvilleMICHIGAN212024
Fall RiverWISCONSIN212024
GilmantonWISCONSIN192024
Lake GalenaILLINOIS182021
Caledonia 2MINNESOTA152024
CohoctahMICHIGAN142024
AlmenaMICHIGAN142015
Chatfield 2MINNESOTA142024
KnoxINDIANA122024
KnappMINNESOTA122024
Mukwonago 2WISCONSIN122024
ScottvilleMICHIGAN112024
BravoMICHIGAN112023
Chippewa Lk.MICHIGAN112024
Barry S.G.A.MICHIGAN112012
PrincetonMINNESOTA112024
ViroquaWISCONSIN112024

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