BirdAnalyst
Species · BCR 17 · BBS 2025 Release · 1966–2024

Clark's Nutcracker In Badlands and Prairies

All regionsBadlands and PrairiesGeneralists

Clark's Nutcracker in Badlands and Prairies has collapsed: down 79% on the route-weighted index since 1981.

-79%Since 1981
18Routes In Region
42Years

Notable Signals

long arc declinecomputed index

Clark's Nutcracker has collapsed in Badlands and Prairies: down 79% on the route-weighted index since 1981.

Forecast

If the recent trend holds, Clark's Nutcracker in Badlands and Prairies is projected to fall about 38% by 2029 — from 0.07 in 2024 to a central estimate of 0.04 (95% range 0.00–0.32). A 5-year backtest shows a typical error of ±73.8%, with 100% of held-out values landing inside the 95% band.

-38%Change by 2029
0.04Projected 2029 index
0.00–0.3295% range
±73.8%Backtest error
19782029
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
20250.060.000.33
20260.050.000.33
20270.050.000.32
20280.050.000.32
20290.040.000.32

Routes In Badlands and Prairies

Routes recording Clark's Nutcracker in Badlands and Prairies.
Two DotMONTANA52024
ShawmutMONTANA52006
Reed PointMONTANA42017
Pleasant ValSOUTH-DAKOTA42022
Hill CitySOUTH-DAKOTA32009
JordanMONTANA22016
HazelrodtSOUTH-DAKOTA22019
Lightning CrSOUTH-DAKOTA22015
LeroyMONTANA12019
FlatwillowMONTANA12006
Maynard CouleeMONTANA12023
Bull Mtn.MONTANA12016
NorbeckSOUTH-DAKOTA11995
Wind Cave NpSOUTH-DAKOTA12005
MayoworthWYOMING11982
LuskWYOMING12007
BucknumWYOMING12018
Moskee 2WYOMING12007

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