Grizzly bears used to live across a much larger range. Specifically, they roamed across California and Arizona, both places today they’re no longer found. In 2019, Arizona’s Center for Biological Diversity filed a lawsuit against the U.S. Fish and Wildlife Service for not having a recovery plan that would restore grizzly bears to their historical range. If challenges are successful, this could lead to grizzly bears around the Grandy Canyon and other locations in their historical range.