bighorn sheep

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 […]

Sheep Experiment Station Followup Case

Sheep Experiment Station Followup Case

Case: Western Watersheds Project, WildEarth Guardians, and Center for Biological Diversity v. U.S. Sheep Experiment Station, and USDA Agricultural Research Service

April 16, 2021 — A federal judge ruled in favor of Advocates for the West and against the reauthorization and expansion of domestic sheep grazing in and around the US Sheep Experiment Station in Idaho’s Centennial Mountains on the Idaho-Montana border. With this decision, the Sheep Station is not permitted to graze sheep on the summer […]

Protecting Bighorn Sheep in the Okanogan-Wenatchee National Forest

Protecting Bighorn Sheep in the Okanogan-Wenatchee National Forest

Case: WildEarth Guardians and Western Watersheds Project v. Kristin Bail and U.S. Forest Service

June 12, 2023 — Advocates for the West filed a settlement agreement in federal court requires the U.S. Forest Service to take action to protect nearly half of the wild bighorn sheep in Washington state from disease outbreaks originating from domestic sheep. Under the settlement, the Forest Service will complete a long-overdue environmental review in […]

South Beaverhead Bighorn Sheep

South Beaverhead Bighorn Sheep

Case: Western Watersheds Project and WildEarth Guardians v. U.S. Forest Service

Nov 20, 2017 — The Honorable Judge Dale granted our motion for Preliminary Injunction to stop fall/winter grazing of domestic sheep on the Snakey Canyon and Kelly Canyon allotments. You can read Judge Dale’s Memorandum Decision and Order below. November 15, 2017 — Advocates for the West attended court to stop controversial Sheep Station research that […]

Bighorn Sheep — Hells Canyon and Salmon River

Bighorn Sheep — Hells Canyon and Salmon River

Case: Western Watersheds Project v. U.S. Forest Service

June 14, 2012 — In a court hearing, Judge Winmill ruled from the bench in favor of protecting bighorn sheep on the Payette National Forest. The Forest Service had decided in 2010 to close almost 70% of the Payette National Forest to domestic sheep grazing to protect the native bighorn populations in the area from […]