Female polar bear cub Anori plays with her mother Vilma in their outdoor enclosure at the zoo in Wuppertal, Germany, March 29, 2012. Anori is the three-month-old half sister of Knut, the baby polar ... more 
Female polar bear cub Anori plays with her mother Vilma in their outdoor enclosure at the zoo in Wuppertal, Germany, March 29, 2012. Anori is the three-month-old half sister of Knut, the baby polar bear who became internationally famous when he was raised by zookeepers at the Berlin Zoo after being rejected by his mother at birth in 2006 less 
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Good Morning America | Photo By Frank Augstein/AP Photo
Sat, Mar 31, 2012 6:50 AM EDT