Clouded Leopard

A handout photo shows a female clouded leopard at the Smithsonian's National Zoo Conservation and Research Center in Front Royal, Virginia in August of 2001. Scientists at the zoo are studying the reproductive physiology of clouded leopards to increase their breeding success. Little is known about the reclusive clouded leopard, which is native to parts of Asia. EDITORIAL USE ONLY (Jessie Cohen/Smighsonian's National Zoo/Handout/Files/Reuters)