BirdAnalyst
Species · BCR 17 · BBS 2026 Release · 1966–2025

Western Wood-Pewee In Badlands and Prairies

All regionsBadlands and PrairiesAerial insectivores

Western Wood-Pewee in Badlands and Prairies has surged: up 164% on the route-weighted index since 1969.

+164%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 →
103Routes 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 →

Western Wood-Pewee has surged in Badlands and Prairies: up 164% on the route-weighted index since 1969.

Western Wood-Pewee In Badlands and Prairies Population Forecast

If the recent trend holds, Western Wood-Pewee in Badlands and Prairies is projected to fall about 14% by 2030 — from 4.6 in 2025 to a central estimate of 4.0 (95% range 2.9–5.0). A 5-year backtest shows a typical error of ±22.5%, with 40% of held-out values landing inside the 95% band.

-14%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 →
4.0Projected 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 →
2.9–5.095% 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 →
±22.5%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, Western Wood-Pewee in Badlands and Prairies is projected to fall about 14% by 2030 — from 4.6 in 2025 to a central estimate of 4.0 (95% range 2.9–5.0). A 5-year backtest shows a typical error of ±22.5%, with 40% 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 →
20263.82.84.8
20273.82.84.9
20283.92.84.9
20293.92.95.0
20304.02.95.0

Routes In Badlands and Prairies

Routes recording Western Wood-Pewee in Badlands and Prairies.
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 →
Reed PointMONTANA482025
Chuffey SpringMONTANA252025
Elk MountainSOUTH-DAKOTA252004
Wind Cave NpSOUTH-DAKOTA242025
CusterMONTANA232022
Black FoxSOUTH-DAKOTA222017
DaytonWYOMING222025
Moskee 3WYOMING212025
Miles CityMONTANA202025
Custer 2MONTANA202025
Silver CitySOUTH-DAKOTA162012
HazelrodtSOUTH-DAKOTA162025
Hill CitySOUTH-DAKOTA152013
HighwoodMONTANA142025
Roubaix LkSOUTH-DAKOTA141991
Long DrawSOUTH-DAKOTA142025
Lightning CrSOUTH-DAKOTA132025
Pleasant ValSOUTH-DAKOTA122024
SundanceWYOMING122025
BrusettMONTANA112024
Seely 2WYOMING112025
RochfordSOUTH-DAKOTA102025
MayoworthWYOMING102024
ForsythMONTANA92023
BrandenbergMONTANA92025

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