Nature and EnvironmentFluff alarm: It's a boyTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature 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'.https://p.dw.com/p/2VnP5Advertisement