Humane Society of the United States v. Ryan Zinke (Lead)

MILLETT, Circuit Judge:

The gray wolf once roamed in large numbers across the contiguous forty-eight States. But by the 1960s, hunting, depredation, and habitat loss drove the gray wolf to the brink of extinction, and the federal government declared the gray wolf an endangered species. After a portion of the gray wolf population rebounded, the government promulgated the rule at issue here, which removes from federal protection a sub-population of gray wolves inhabiting all or portions of nine states in the Western Great Lakes region of the United States. The Humane Society of the United States…