A polar bear cub slips into the water at a local zoo, but the cubs mother quickly springs into action and rushes to the rescue. For more, visit .\rbr\rbrPolar bear rescues her baby Polar Bear cub can not swim yet. She fell into a deep water. Mother dive immediately, helped cub.\rbr\rbrA polar bear cub slips into the water at a local zoo, but the cubs mother quickly springs into action and rushes to the rescue. For more, visit . Polar bear rescues .\rbr\rbrSwimming doesnt come naturally to cubs.