BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

Clark's Nutcracker In Sierra Nevada

All regionsSierra NevadaGeneralists

Clark's Nutcracker in Sierra Nevada has edged down: down 11% on the route-weighted index since 1973.

-11%Since 1973
18Routes In Region
53Years

Notable Signals

No notable trend signals for Clark's Nutcracker in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, Clark's Nutcracker in Sierra Nevada is projected to rise about 182% by 2029 — from 0.63 in 2024 to a central estimate of 1.8 (95% range 0.24–3.3). A 5-year backtest shows a typical error of ±87.1%, with 100% of held-out values landing inside the 95% band.

+182%Change by 2029
1.8Projected 2029 index
0.24–3.395% range
±87.1%Backtest error
19712029
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
20251.70.193.3
20261.70.203.3
20271.80.223.3
20281.80.233.3
20291.80.243.3

Routes In Sierra Nevada

Routes recording Clark's Nutcracker in Sierra Nevada.
Hat CreekCALIFORNIA102006
Lassen ParkCALIFORNIA81989
Last ChanceCALIFORNIA82019
Pine MountainCALIFORNIA72017
CrestviewCALIFORNIA72024
GoumazCALIFORNIA42011
Little TruckeeCALIFORNIA42023
Eagle LakeCALIFORNIA22024
DardanelleCALIFORNIA22019
Chaos CraterCALIFORNIA22007
Meadow ValleyCALIFORNIA22008
ChilcootCALIFORNIA22024
WoodfordsCALIFORNIA12024
LumberyardCALIFORNIA12008
Greenhorn MtCALIFORNIA12008
Kings CanyonCALIFORNIA12016
SattleyCALIFORNIA12019
Butte MeadowCALIFORNIA11994

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