Nature and EnvironmentFluff alarm: It's a boy01:23This browser does not support the video element.Nature and Environment01/13/2017January 13, 2017Polar bear legend Knut has a successor: Born in November at the Berlin Zoo, the polar bear cub slept through its first medical exam. Zookeepers were also able to unravel the mystery 'boy or girl'.Copy linkAdvertisement
