Polar Bear Cub's Contented Sleep

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This five-week-old female polar bear cub, a resident of Columbus Zoo and Aquarium, is now thriving, despite being abandoned by her mother shortly after being born. Tragically, the mother of the cub suffered the death of her sibling from the same litter, and at that point was too depressed to care for her only surviving offspring.

In this video clip, the cub's zookeepers explain via their Facebook page that the sounds she is making while sleeping are those of contentment. They report that she recently began trying to stand on all four legs, "especially when she’s ready for her next meal!” Via Bored Panda