Voting starts Wednesday in the annual Fat Bear Week contest at Alaska’s Katmai National Park and Preserve, with viewers picking their favorite among a dozen brown bears fattened up to survive the winter. The contest, which is in its 10th year, celebrates the resiliency of the 2,200 brown bears that live in the preserve on the Alaska Peninsula, which extends from the state’s southwest corner toward the Aleutian Islands. The animals gorge on the abundant sockeye salmon that return to the Brooks River, sometimes chomping the fish in midair as they try to hurdle a small waterfall and make...