FILE - In this April 20, 2013 file photo, male greater sage grouse perform mating rituals for a female grouse, not pictured, on a lake outside Walden, Colo.
The ground-dwelling, chicken-sized greater sage grouse has been at the center of a long-running dispute over how much of the region's expansive public lands should be developed.
The ground-dwelling, chicken-sized greater sage grouse has been at the center of a long-running dispute over how much of the American West's expansive public lands should be developed.
The Trump administration changes would have affected public land in Idaho, Wyoming, Colorado, Utah, Nevada, California and Oregon.
Sage grouse territory in Montana, Washington and the Dakotas would not be affected.