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Species · Wyoming · BBS 2025 Release · 1966–2024

Clark's Nutcracker Population Trend in Wyoming

All statesGeneralists

Clark's Nutcracker in Wyoming has surged: up 187% on the route-weighted index since 1970.

+187%Since 1970
51Routes In State
56Years

Notable Clark's Nutcracker Trends in Wyoming

long arc increasecomputed index

Clark's Nutcracker has surged in Wyoming: up 187% on the route-weighted index since 1970.

Clark's Nutcracker Population Forecast in Wyoming

If the recent trend holds, Clark's Nutcracker in Wyoming is projected to rise about 15% by 2029 — from 1.2 in 2024 to a central estimate of 1.4 (95% range 0.20–2.7). A 5-year backtest shows a typical error of ±87.1%, with 100% of held-out values landing inside the 95% band.

+15%Change by 2029
1.4Projected 2029 index
0.20–2.795% range
±87.1%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
20251.40.172.6
20261.40.182.6
20271.40.182.6
20281.40.192.6
20291.40.202.7

Clark's Nutcracker Survey Routes in Wyoming

Routes recording Clark's Nutcracker in Wyoming.
Alpine1920241990
Moose1820241976
Dubois1420241968
Walcott1420012001
Prior Flats1120241991
Yellowstone920221987
West Thumb919821982
Bald Mtn920241991
Horse Creek920241980
Fletcher Pk820241979
Gas Hills719931991
Anchor620181993
Buford520191978
Hunter Peak520101982
Buckskin Mtn520211980
Colter Bay 2420242022
Fiddler Lk420241979
Moran420162002
Rock River420061998
Colter Bay319991989
Warbonnet320241994
Ne Entrance220181988
Hayden Val219861985
Savery219921992
Mammoth220241982

Clark's Nutcracker Population Trend in Other States

arizonacaliforniacoloradoidahomontananevadanew-mexicooregonsouth-dakotautahwashington

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