To prepare for hibernation, bears at Alaska's Katmai National Park are packing on the pounds. Officials celebrated with "Fat Bear Week." | CNN

A recording showed a polar bear waking up after months of hibernation. But although its disheveled and sleepy image caused laughter, the animal's condition hid a serious problem that would end up causing sadness and shock. Subscribe for more http://bit.ly/yt-thekiwi | The Kiwi

A black bear was caught on video earlier this month readying itself for hibernation this winter in Yellowstone National Park. Read more here: https://www.foxweather.com/earth-space/video-black-bear-hibernation-yellowstone-national-park | FOX Weather