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Species · Oregon · BBS 2025 Release · 1966–2024

Black-backed Woodpecker Population Trend in Oregon

All statesForest birds

Black-backed Woodpecker in Oregon has surged: up 114% on the route-weighted index since 1973.

+114%Since 1973
36Routes In State
50Years

Notable Black-backed Woodpecker Trends in Oregon

long arc increasecomputed index

Black-backed Woodpecker has surged in Oregon: up 114% on the route-weighted index since 1973.

Black-backed Woodpecker Population Forecast in Oregon

If the recent trend holds, Black-backed Woodpecker in Oregon is projected to fall about 54% by 2029 — from 0.41 in 2024 to a central estimate of 0.19 (95% range 0.03–0.36). A 5-year backtest shows a typical error of ±34%, with 60% of held-out values landing inside the 95% band.

-54%Change by 2029
0.19Projected 2029 index
0.03–0.3695% range
±34%Backtest error
19692029
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
20250.180.020.35
20260.190.020.35
20270.190.020.35
20280.190.020.35
20290.190.030.36

Black-backed Woodpecker Survey Routes in Oregon

Routes recording Black-backed Woodpecker in Oregon.
Paisley1020241973
Bly 2620242009
Barnes Val619871987
Bald Mtn.520241992
Silvies420242014
Barnhouse320241999
Desolation320072007
Chinchalo320241993
Summit Pr220241991
Logdell219861986
Clearwater220212021
Silver Creek220081992
Sisters220221998
Hash Rock220011991
Albee119951995
Lapham Res.119921992
Ochoco119791979
Wizard Falls120152004
Dell Spring119901969
Camp Sherman119961974
Mount Vernon120242005
Granite120232023
Elk Lake120181972
Bly119951995
Badger Creek120152015

Black-backed Woodpecker Population Trend in Other States

alaskacaliforniaidahomainemichiganminnesotamontananew-hampshirenew-yorksouth-dakotawashingtonwisconsinwyoming

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