Conservationists are suing three federal agencies over the adequacy of an environmental review the government has said satisfies requirements to resume killing coyotes, mountain lions and other wildlife in federally protected wilderness areas in Nevada.

The move comes five years after the U.S. Agriculture Department’s Wildlife Services settled a similar lawsuit by suspending the operations intended to protect livestock from predators.

WildEarth Guardians long has battled Wildlife Services over the predator management program that Congress approved in 1931 and costs U.S. taxpayers millions of dollars annually.

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