Male Sumatran tiger cub Bandar swims in a moat at the Smithsonian National Zoo while being monitored by animal keepers Marie Magnuson (top) and Dell Guglielmo (bottom) in a swim test for the animal in... more 
Male Sumatran tiger cub Bandar swims in a moat at the Smithsonian National Zoo while being monitored by animal keepers Marie Magnuson (top) and Dell Guglielmo (bottom) in a swim test for the animal in Washington November 6, 2013. Two Sumatran tiger cubs born August 5 were tested today to have the ability to keep their heads above water, navigate the shallow end of the moat, and possess the strength and ability to climb onto dry land. (REUTERS/Gary Cameron) less 
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Reuters | Photo By REUTERS/Gary Cameron
Wed, Nov 6, 2013 3:00 PM EST