BirdAnalyst
Species · BCR 23 · BBS 2026 Release · 1966–2025

Eastern Wood-Pewee In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionAerial insectivores

Eastern Wood-Pewee in Prairie Hardwood Transition has surged: up 143% on the route-weighted index since 1968.

+143%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 →
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 →

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 143% 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 fall about 10% by 2030 — from 8.0 in 2025 to a central estimate of 7.2 (95% range 6.0–8.3). A 5-year backtest shows a typical error of ±12.3%, with 60% of held-out values landing inside the 95% band.

-10%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 →
7.2Projected 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 →
6.0–8.395% 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 →
±12.3%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 fall about 10% by 2030 — from 8.0 in 2025 to a central estimate of 7.2 (95% range 6.0–8.3). A 5-year backtest shows a typical error of ±12.3%, 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 →
20266.95.78.1
20276.95.88.1
20287.05.88.2
20297.15.98.3
20307.26.08.3

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 →
Sherburne NrMINNESOTA282025
MatherWISCONSIN262023
ScottvilleMICHIGAN252025
MontereyMICHIGAN242025
Stevens PtWISCONSIN232023
CohoctahMICHIGAN222025
PardeevilleWISCONSIN222025
GreshamWISCONSIN212025
HighlandWISCONSIN202025
Chatfield 2MINNESOTA192025
Lake GalenaILLINOIS182021
GilmantonWISCONSIN182025
Fall RiverWISCONSIN172025
EsdaileWISCONSIN162025
N FreedomWISCONSIN162025
ParisWISCONSIN152025
AlmenaMICHIGAN142015
NashvilleMICHIGAN132025
Caledonia 2MINNESOTA132025
New LisbonWISCONSIN132025
WiotaWISCONSIN132025
LawrenceMICHIGAN122025
MottvilleMICHIGAN122025
Chippewa Lk.MICHIGAN122025
MillvilleMINNESOTA122025

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