BirdAnalyst
Species · BCR 32 · BBS 2025 Release · 1966–2024

Western Wood-Pewee In Coastal California

All regionsCoastal CaliforniaAerial insectivores

Western Wood-Pewee in Coastal California has fallen sharply: down 67% on the route-weighted index since 1970.

-67%Since 1970
103Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Western Wood-Pewee has fallen sharply in Coastal California: down 67% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Western Wood-Pewee in Coastal California is projected to rise about 84% by 2029 — from 1.4 in 2024 to a central estimate of 2.6 (95% range 0.20–5.1). A 5-year backtest shows a typical error of ±91.1%, with 100% of held-out values landing inside the 95% band.

+84%Change by 2029
2.6Projected 2029 index
0.20–5.195% range
±91.1%Backtest error
19682029
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
20252.90.455.3
20262.80.395.2
20272.80.335.2
20282.70.265.1
20292.60.205.1

Routes In Coastal California

Routes recording Western Wood-Pewee in Coastal California.
Lake HemetCALIFORNIA321986
White RiverCALIFORNIA321992
FallsvaleCALIFORNIA291981
ValyermoCALIFORNIA252019
Mt PinosCALIFORNIA242004
PowayCALIFORNIA161979
Big BearCALIFORNIA151986
Angelus OaksCALIFORNIA152017
Hough SpringsCALIFORNIA142007
San Benito Mtn.CALIFORNIA142009
TehamaCALIFORNIA112022
Tres Pinos 2CALIFORNIA112011
StonyfordCALIFORNIA112018
Sawmill MtnCALIFORNIA92022
Mesa GrandeCALIFORNIA92024
Lake BerryessaCALIFORNIA92024
Cal Hot SpgsCALIFORNIA92019
RumseyCALIFORNIA82008
Green ValleyCALIFORNIA82023
ZamoraCALIFORNIA82019
CoalingaCALIFORNIA72014
CohassetCALIFORNIA72024
Mt LagunaCALIFORNIA71987
PenningtonCALIFORNIA62024
Mt Pinos 2CALIFORNIA62024

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