BirdAnalyst
Species · BCR 11 · BBS 2025 Release · 1966–2024

Western Wood-Pewee In Prairie Potholes

All regionsPrairie PotholesAerial insectivores

Western Wood-Pewee in Prairie Potholes has surged: up 15× on the route-weighted index since 1984.

15×Since 1984
17Routes In Region
35Years

Notable Signals

long arc increasecomputed index

Western Wood-Pewee has surged in Prairie Potholes: up 15× on the route-weighted index since 1984.

Forecast

If the recent trend holds, Western Wood-Pewee in Prairie Potholes is projected to fall about 46% by 2029 — from 0.42 in 2024 to a central estimate of 0.23 (95% range 0.09–0.37). A 5-year backtest shows a typical error of ±30.5%, with 60% of held-out values landing inside the 95% band.

-46%Change by 2029
0.23Projected 2029 index
0.09–0.3795% range
±30.5%Backtest error
19782029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.210.070.34
20260.210.070.35
20270.220.080.36
20280.220.080.36
20290.230.090.37

Routes In Prairie Potholes

Routes recording Western Wood-Pewee in Prairie Potholes.
Sun RiverMONTANA72024
ClevelandMONTANA62024
ChinookMONTANA62024
GlasgowMONTANA42024
LambertMONTANA32024
HarlemMONTANA22021
WhitlashMONTANA22023
SacoMONTANA22024
Hay LakeMONTANA12017
SunburstMONTANA12007
VirgelleMONTANA12015
MaltaMONTANA12024
RedstoneMONTANA11978
Great FallsMONTANA12023
ShelbyMONTANA12019
Wolf PointMONTANA12016
DenbighNORTH-DAKOTA12024

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