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Species · BCR 11 · BBS 2026 Release · 1966–2025

Eastern Wood-Pewee In Prairie Potholes

All regionsPrairie PotholesAerial insectivores

Eastern Wood-Pewee in Prairie Potholes has surged: up 124% on the route-weighted index since 1969.

+124%Since 1969TrendPercent 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 →
77Routes 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 Potholes: up 124% on the route-weighted index since 1969.

Eastern Wood-Pewee In Prairie Potholes Population Forecast

If the recent trend holds, Eastern Wood-Pewee in Prairie Potholes is projected to fall about 43% by 2030 — from 1.1 in 2025 to a central estimate of 0.65 (95% range 0.39–0.91). A 5-year backtest shows a typical error of ±28.9%, with 80% of held-out values landing inside the 95% band.

-43%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 →
0.65Projected 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 →
0.39–0.9195% 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 →
±28.9%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 Potholes is projected to fall about 43% by 2030 — from 1.1 in 2025 to a central estimate of 0.65 (95% range 0.39–0.91). A 5-year backtest shows a typical error of ±28.9%, with 80% of held-out values landing inside the 95% band.19672030
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 →
20260.630.370.89
20270.640.370.90
20280.640.380.90
20290.650.380.91
20300.650.390.91

Routes In Prairie Potholes

Routes recording Eastern Wood-Pewee in Prairie Potholes.
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 →
EmeradoNORTH-DAKOTA122025
Eagle CreekNEBRASKA112025
CooperstownNORTH-DAKOTA92025
MidwayNEBRASKA62025
PantherIOWA52025
HartlandMINNESOTA42005
BeltramiMINNESOTA42025
KanawhaIOWA32025
ClareIOWA32019
ArlingtonMINNESOTA32025
ChokioMINNESOTA32025
OkleeMINNESOTA32021
GryglaMINNESOTA32015
NashNORTH-DAKOTA32017
Turtle MtnsNORTH-DAKOTA32025
WilmotSOUTH-DAKOTA32025
WashingtonIOWA22025
TitonkaIOWA22025
MccallsburgIOWA22025
Redwood FallMINNESOTA22025
AppletonMINNESOTA22025
GlyndonMINNESOTA22024
WylieMINNESOTA22023
ErieMINNESOTA22016
BadgerMINNESOTA22018

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