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A polar bear opens a package filled with food and wrapped as a Christmas gift at the zoo in La Fleche, western France, on December 23, 2013. AFP PHOTO / JEAN-FRANCOIS MONIER (Photo credit should read JEAN-FRANCOIS MONIER/AFP via Getty Images)

A polar bear opens a package filled with food and wrapped as a Christmas gift at the zoo in La Fleche, western France, on December 23, 2013.  AFP PHOTO / JEAN-FRANCOIS MONIER        (Photo credit should read JEAN-FRANCOIS MONIER/AFP via Getty Images)