Polar Bear Plunge at the San Diego Zoo was transformed into a winter wonderland early this morning, as nearly 26 tons of glistening white snow blanketed the polar bear exhibit. The three bears—Kalluk, Tatqiq and Chinook—showed their excitement by frolicking in the snow. They rolled around in the fresh powder and wrestled with each other all morning long. Animal care staff also scattered yams, carrots, melons and beef femur bones throughout the exhibit as added enrichment, and watched as the bears pounced an