Satu, a rare Sumatran Tiger plays in his new exhibit area after being introduced to the public at Zoo Miami in Miami, Florida on Jan 29, 2016. The cub, born on November 14, 2015, is the first for the Zoo and the second to be born in American zoos in 2015. The species is considered "critically endangered" as under 500 are believed to exist in the forests of Sumatra and Indonesia. .Photo by Joe Marino-Bill Cantrell/UPI