When this mother polar bear emerged from her den in northern Manitoba, Canada, wildlife videographer Andrew Manske captured her twins' apparent excitement as they climbed all over her in play.
Most polar bear moms dig maternity dens during the winter months to give birth. When the cubs are born they will grow extremely fast because their mother's milk is about 31 percent fat.
The new family will come out of the den in spring, and mom will teach the cubs how to hunt and survive in their extreme environment. Through play, the young bears will also develop many important life skills.
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