The reigning Fat Bear Week champion is confirmed to be back on the move after National Park Service employees filmed "Chunk" reemerging after hibernation. Chunk, the massive brown bear who won 2025's Fat Bear Week competition, was spotted again in Alaska's Katmai National Park, giving fans an early look at the beloved bear after his winter hibernation. View this post on Instagram A post shared by Fat Bear Week (@fatbearweek) The sighting marks t…