Scientists estimate the Yellowstone Ecosystem population was 727 grizzly bears in 2020 in the 19,270-square-mile monitoring area in and around Yellowstone National Park, down 10 bears from the year before.
In the suit, conservationists say the U.S. Forest Service violated the Endangered Species Act by issuing a 10-year grazing permit that threatens grizzly bears and a tiny endangered fish — the Kendall Warm Springs dace.
State fights efforts to change Yellowstone-ecosystem population goal if counting method also is switched.
Only 2 females would be killed in the core Demographic Monitoring Area.
Two groups Friday sued the federal government over a plan allowing elk hunters in Grand Teton National Park to kill up to four grizzly bears without triggering consequences in the Endangered Species Act.