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Species · Oregon · BBS 2025 Release · 1966–2024

Western Wood-Pewee Population Trend in Oregon

All statesAerial insectivores

Western Wood-Pewee in Oregon has held roughly steady: down 4% on the route-weighted index since 1970.

-4%Since 1970TrendPercent 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 →
126Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
56YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Western Wood-Pewee Trends in OregonNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Western Wood-Pewee in Oregon. See the full index history below.

Western Wood-Pewee Population Forecast in Oregon

If the recent trend holds, Western Wood-Pewee in Oregon is projected to stay roughly flat through 2029, near 7.6 (95% range 4.9–10). A 5-year backtest shows a typical error of ±14.7%, with 100% of held-out values landing inside the 95% band.

-8%Change by 2029TrendPercent 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 →
7.6Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
4.9–1095% 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 →
±14.7%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 Oregon is projected to stay roughly flat through 2029, near 7.6 (95% range 4.9–10). A 5-year backtest shows a typical error of ±14.7%, with 100% of held-out values landing inside the 95% band.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 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 →
20257.74.910
20267.74.910
20277.74.910
20287.74.910
20297.64.910

Western Wood-Pewee Survey Routes in Oregon

Routes recording Western Wood-Pewee in Oregon.
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 →
Mount Vernon4020241986
Modoc Point 23720242024
Silver Creek3620241984
Green3320241994
Modoc Point3120181969
Adair3020241971
Elkton3020241972
Newbridge2620241993
Barnes Val2519871974
Umpqua2420241968
Ruch2420231992
Donnelly2220061994
Flora2120231986
Salem2120241993
Summit Pr2020241980
Sisters2020241997
Dayton1920241973
Badger Creek1920241992
Desolation1920071993
Sandy River1920061993
Donelly 21820242018
Mt Hood1720241972
Salado1620241968
Scio1620241972
Lapham Res.1620241991

Western Wood-Pewee Population Trend in Other States

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