sage grouse

Owyhee Military Airspace Expansion

Owyhee Military Airspace Expansion

Case: Oregon Natural Desert Association, Friends of the Nevada Wilderness, and Idaho Conservation League v. U.S. Department of the Air Force

February 4, 2026 — Advocates for the West filed our motion for summary judgment, challenging the U.S. Air Force’s July 2023 Record of Decision (ROD) and March 2023 Environmental Impact Statement (EIS) to expand and intensify its military trainings using F-15 fighter jets over 7.5 million acres in the Owyhee Canyonlands. Our brief argues that […]

Oil & Gas Leases in Sage-Grouse Habitat

Oil & Gas Leases in Sage-Grouse Habitat

Case: Western Watersheds Project and Center for Biological Diversity v. Ryan K. Zinke, David Bernhardt; and BLM

January 17, 2025 — Advocates for the West won a victory upholding our Phase One win in this case. The U.S. Court of Appeals for the Ninth Circuit held that the first Trump administration illegally approved hundreds of oil and gas leases on public lands and prohibited any further development of those leases. The leases […]

Duck Creek Livestock Grazing

Duck Creek Livestock Grazing

Case: Western Watersheds Project v. Interior Board of Land Appeals & U.S. Department of the Interior

February 17, 2021 – Advocates for the West filed our opening brief with the 10th Circuit Court requesting a reversal of the district court’s erroneous dismissal for lack of Article III standing. Our brief argues that the Court should hold a 2017 decision of the Interior Board of Land Appeals as unlawful and force the defendants […]

Sheeprocks Sage-Grouse Appeal

Sheeprocks Sage-Grouse Appeal

Case: Notice of Appeal-Western Watersheds Project, Center for Biological Diversity, and American Bird Conservancy v. Bureau of Land Management

October 31, 2017 — Advocates for the West filed an administrative appeal and petition for stay of BLM’s decision to lease priority sage-grouse habitat in central Utah for oil and gas development. The auctioned parcels are home to the isolated and imperiled Sheeprocks population of greater sage-grouse. The Sheeprocks population experienced a nearly 40 percent decrease over […]

Washington State Lands

Washington State Lands

Case: Western Watersheds Project v. Washington Department of Fish and Wildlife and Jennifer Quan

The Thurston County Superior Court ruled that WDFW’s action in approving the latest Asotin grazing permit was arbitrary and capricious, noting that the agency had disregarded its own scientists’ concerns about wildlife. January of 2011 — We successfully settled our case challenging the Whiskey Dick EIS with an agreement that will close about 35,000 acres of […]

Jarbidge Sage-Grouse

Jarbidge Sage-Grouse

Case: Western Watersheds Project v. Tom Dyer, Rick Vandervoet, Bureau of Land Management

April 14, 2011 — A federal judge has ordered BLM to close to livestock grazing 17 allotments in the Jarbidge Field Office in southwestern Idaho, and has given Simplot Livestock and other permittees about two weeks to remove all livestock from the closed areas.  Animating the court’s decision was the continuing collapse of sage-grouse populations […]