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Species · Oregon · BBS 2025 Release · 1966–2024

Clark's Nutcracker Population Trend in Oregon

All statesGeneralists

Clark's Nutcracker in Oregon has fallen sharply: down 53% on the route-weighted index since 1970.

-53%Since 1970
52Routes In State
55Years

Notable Clark's Nutcracker Trends in Oregon

long arc declinecomputed index

Clark's Nutcracker has fallen sharply in Oregon: down 53% on the route-weighted index since 1970.

Clark's Nutcracker Population Forecast in Oregon

If the recent trend holds, Clark's Nutcracker in Oregon is projected to rise about 39% by 2029 — from 0.39 in 2024 to a central estimate of 0.54 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±51.4%, with 100% of held-out values landing inside the 95% band.

+39%Change by 2029
0.54Projected 2029 index
0.00–1.295% range
±51.4%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
20250.540.001.2
20260.540.001.2
20270.540.001.2
20280.540.001.2
20290.540.001.2

Clark's Nutcracker Survey Routes in Oregon

Routes recording Clark's Nutcracker in Oregon.
Sisters1320241998
Barnes Val1119851985
Dell Spring919901968
Picture Flat920211993
Donnelly820062004
Chinchalo620221995
Zumwalt520031995
Silvies520231994
Paunina520131994
Emigrant Lake 2420022002
Joseph419851985
Eagle Rock419791973
Ochoco420211995
Newbridge420241996
Bald Mtn.420241993
Flora320031986
Bly 2320242007
Mount Vernon320191986
Bly319951988
Desolation319991998
Albee220231968
Deschutes220211971
Bridgeport220111989
Buchanan219991979
Paisley220231973

Clark's Nutcracker Population Trend in Other States

arizonacaliforniacoloradoidahomontananevadanew-mexicosouth-dakotautahwashingtonwyoming

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