剧情介绍
Bears of Alaska's Katmai National Park bulk up for winter hibernation over 150 days. Battling elements and each other, they consume three million calories and gain up to 200 pounds in Nature's survival show.
Bears of Alaska's Katmai National Park bulk up for winter hibernation over 150 days. Battling elements and each other, they consume three million calories and gain up to 200 pounds in Nature's survival show.