Brown bears line up to feed on sockeye salmon at Brooks Falls in Katmai National Park and Preserve
Every year around this time, the brown bears of Katmai National Park and Preserve in Alaska manage to double their weight in a few months. Thanks to the efforts of the park’s enterprising social media team since 2014, we now celebrate this festival of feasting as Fat Bear Week.
But how is it that the bears know when it’s time to bulk up? In late summer in Alaska, brown bears (Ursus arctos …
