BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Clark's Nutcracker In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

Clark's Nutcracker in Southern Rockies / Colorado Plateau has surged: up 342% on the route-weighted index since 1970.

+342%Since 1970
142Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Clark's Nutcracker has surged in Southern Rockies / Colorado Plateau: up 342% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Clark's Nutcracker in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 2.3 (95% range 1.2–3.3). A 5-year backtest shows a typical error of ±61.4%, with 60% of held-out values landing inside the 95% band.

-7%Change by 2029
2.3Projected 2029 index
1.2–3.395% range
±61.4%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
20252.21.13.2
20262.21.13.2
20272.21.23.3
20282.31.23.3
20292.31.23.3

Routes In Southern Rockies / Colorado Plateau

Routes recording Clark's Nutcracker in Southern Rockies / Colorado Plateau.
FerronUTAH462022
Piceance BasinCOLORADO382004
Moon PassCOLORADO372024
South ForkCOLORADO312024
Ojo SarcoNEW-MEXICO202018
Mount EvansCOLORADO192024
Pinos CreekCOLORADO181990
SummitvilleCOLORADO162024
Fox CreekCOLORADO162024
FlattopsCOLORADO152017
NuclaCOLORADO152024
Haycamp MesaCOLORADO152024
Deadman Rd.COLORADO142024
DinosaurCOLORADO142019
Cochetopa PassCOLORADO142024
GuffeyCOLORADO122024
Gribbles PrkCOLORADO122024
Owl Creek PassCOLORADO112024
Dixie NfUTAH112024
VernalUTAH112016
La Sal 3UTAH102024
Logan CanyonUTAH102019
PinonCOLORADO92022
Mt. TaylorNEW-MEXICO92012
BeckUTAH91986

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