July 22, 2026
A Montana federal judge says the U.S. Department of the Interior can't pause challenges to its Yellowstone National Park bison management plan while the agency prepares a supplemental environmental impact statement, finding the conservation group plaintiffs would suffer a hardship if the proceedings were put on hold.
May 11, 2026
The U.S. Department of the Interior has asked a Montana district court to pause litigation challenging bison management at Yellowstone National Park, saying it intends to issue a supplemental analysis that will update the plan's final environmental impact statement.
April 17, 2026
Three Indigenous nations say a recent decision to partially dismiss an environmental group's challenge to a Yellowstone National Park bison management plan doesn't implicate any treaty issues, telling a Montana federal court they intervened to uphold the project and not to litigate their rights to hunt.
February 03, 2026
The Interior Department has asked a Montana federal judge to toss the Cottonwood Environmental Law Center's challenge to the government's bison population management plan in Yellowstone National Park, saying it does not have a legally protectable interest in the case.
March 11, 2025
The Interior Department is asking a federal court to reconsider orders that allowed environmental groups to intervene and add two more federal agencies as necessary parties to a challenge over the management of the bison population in Yellowstone National Park, arguing the move is an attempt to hijack the litigation.