Sumatran tiger

A female Sumatran Tiger cub named Sukacita is dried off by biologist Leigh Pitsko after performing the cub performed her 'swim test' in a moat of the Great Cats exhibit at the National Zoo in Washington, D.C. (Photo by Win McNamee/Getty Images)

Sumatran Tiger Cubs Make Public Debut at National Zoo

The National Zoo’s Sumatran tiger cubs are on public display for the first time after being given access to the tiger yard Monday.