CHEYENNE, Wyo.- The state of Wyoming has filed suit challenging the federal government's recent decision to take gray wolves off the endangered species list elsewhere in the Northern Rockies while leaving them on the list in the state.

The U.S. Fish and Wildlife Service in April announced it was removing gray wolves from the endangered list in Montana and Idaho while maintaining federal protections in Wyoming.

Wyoming filed its lawsuit in federal court in Cheyenne. The state says the federal agency should turn wolf management over to the state.

A federal judge last year rejected Wyoming's proposal to classify wolves as predators that could be shot on sight in most of the state.