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

Greater Sage-Grouse In Great Basin

All regionsGreat BasinGeneralists

Greater Sage-Grouse in Great Basin has fallen sharply: down 53% on the route-weighted index since 1970.

-53%Since 1970
59Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Greater Sage-Grouse has fallen sharply in Great Basin: down 53% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Greater Sage-Grouse in Great Basin is projected to fall about 75% by 2029 — from 0.39 in 2024 to a central estimate of 0.10 (95% range 0.00–0.54). A 5-year backtest shows a typical error of ±357.3%, with 100% of held-out values landing inside the 95% band.

-75%Change by 2029
0.10Projected 2029 index
0.00–0.5495% range
±357.3%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
20250.120.000.56
20260.110.000.55
20270.110.000.55
20280.100.000.54
20290.100.000.54

Routes In Great Basin

Routes recording Greater Sage-Grouse in Great Basin.
EurekaNEVADA242024
Calico SprNEVADA181974
BlitzenOREGON161992
Honey LakeCALIFORNIA142021
Sheldon NwrNEVADA122018
Three ForksOREGON112024
Clear Lk ResCALIFORNIA81989
Circular BuIDAHO82024
PicaboIDAHO71988
Dobbin CreekNEVADA72017
AustinNEVADA72012
CratersIDAHO62012
Mud LakeIDAHO62001
Kyle CanyonIDAHO62003
Battle MtnOREGON61999
CareyIDAHO52016
Tractor FlatIDAHO52019
Majors PlaceNEVADA51989
Bald Mtn.NEVADA52014
Flook LakeOREGON52024
Grouse CreekUTAH51987
CedarvilleCALIFORNIA41978
VernonUTAH42009
Dinner StaNEVADA31992
IllipahNEVADA32018

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