National Geographic Travelのインスタグラム(natgeotravel) - 4月2日 01時01分

Video by @daisygilardini | Wapusk National Park - We gain mama's trust! Finally she comes out with her cubs to clean. After nine days, mama bear finally decided she could trust us and she left the den. We were super excited to see her! We quickly realized that she had dug her den in earth, and she was really dirty. Polar bears need to stay dry and clean, because wet, matted fur is a poor insulator. As soon as she exited the den, she started to clean herself, by rolling around in the snow. Not long afterwards, two adorable cubs emerged from the den. Wapusk National Park is the world’s southernmost denning area for polar bears. Female bears usually start to dig maternity dens in the fall. Expecting mothers dig into the raised peat soil found in palsa formations on the leeward side of snowdrifts that build up over time along riverbanks and lake shores. The resulting snow/earth cave needs to be large enough that she can turn around in, but small enough to keep her and her newborn cubs warm.
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