A district court denied Colorado's and Utah's request to vacate FWS' decision to list the Gunnison sage grouse species as threatened under the ESA. The states argued that many of the agency's…

A district court vacated FWS' designation of land in California as critical habitat for the endangered Riverside fairy shrimp. Property owners argued that the agency improperly designated 56 acres…

A district court vacated FWS' decision to delist the Greater Yellowstone Ecosystem population of grizzly bears. Environmental groups argued that the agency violated the APA by failing to consider…

A district court issued a temporary restraining order on the scheduled opening of grizzly bear hunting in Idaho and Wyoming. A Native American tribe argued that FWS violated the ESA when it…

A district court vacated and set aside FWS' 2015 decision not to list an isolated population of greater sage grouse as threatened under the ESA. The court's ruling follows an order previously…

The Ninth Circuit reversed in part a district court's summary judgment that upheld FWS' decision not to list the arctic grayling as an endangered or threatened species under the ESA. Environmental…

The Ninth Circuit reversed in part and vacated in part a lower court decision granting summary judgment for a proposed logging project in areas of the Kootenai National Forest where two threatened…

The Ninth Circuit vacated a lower court's conviction of a man in Montana for killing a threatened grizzly bear in violation of the ESA. The man claimed that he was acting in self-defense when he…

A district court denied motions to dismiss a lawsuit challenging the federal designation of over 1.8 million acres in the Sierra Nevada mountains as critical habitat for three amphibian species.…

A district court held that FWS' decision to withdraw its proposed listing of the "bi-state sage grouse" as threatened under the ESA was arbitrary and capricious. FWS recognized that one of the…