Female Sumatran tiger cub Sukacita is dried off by Smithsonian National Zoo biologist Leigh Pitsko after performing in a swim test for the animal in Washington November 6, 2013. Two Sumatran tiger ... more 
Female Sumatran tiger cub Sukacita is dried off by Smithsonian National Zoo biologist Leigh Pitsko after performing in a swim test for the animal in Washington November 6, 2013. Two Sumatran tiger cubs born August 5 were tested 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