Species · BCR 9 · BBS 2025 Release · 1966–2024

Clark's Nutcracker In Great Basin

Clark's Nutcracker in Great Basin has declined: down 33% on the route-weighted index since 1970.

-33%Since 1970
78Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, Clark's Nutcracker in Great Basin is projected to rise about 33% by 2029 — from 0.26 in 2024 to a central estimate of 0.35 (95% range 0.00–0.76). A 5-year backtest shows a typical error of ±49.8%, with 100% of held-out values landing inside the 95% band.

+33%Change by 2029
0.35Projected 2029 index
0.000.7695% range
±49.8%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
20250.350.000.76
20260.350.000.76
20270.350.000.76
20280.350.000.76
20290.350.000.76

Routes In Great Basin

Routes recording Clark's Nutcracker in Great Basin.
SistersOREGON132024
Barnes ValOREGON111985
Dell SpringOREGON91990
Picture FlatOREGON92021
Kyle CanyonIDAHO81987
TwispWASHINGTON82019
WinthropWASHINGTON82021
ChinchaloOREGON62022
AustinNEVADA52018
PauninaOREGON52013
ZumwaltOREGON52003
NighthawkWASHINGTON52023
BentonCALIFORNIA42024
Fall River MillsCALIFORNIA42006
SquirrelIDAHO42013
JosephOREGON41985
Bald Mtn.OREGON42024
Hardware RanchUTAH42014
BridgeportCALIFORNIA31977
Medicine Mtn.CALIFORNIA32015
AlmoIDAHO32018
BlyOREGON31995
Bly 2OREGON32024
HyrumUTAH31975
BerylUTAH32011

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