Not sure if this is Riki-san or Haui-san, but they are both 14-week-old clouded leopards who just arrived at their new home at the San Diego Zoo's Children’s Zoo. They were born as part of the successful leopard breeding program at the Nashville Zoo.
Named for its cloud-like spots, the male Clouded Leopard can weigh up to 50 pounds 22.6 kgs). This cat is found mostly in the Southeast Asian rain forest and is an excellent swimmer and climber. In fact, the Clouded Leopard and the Margay from South America are the only cat species that can climb down a tree head first, thanks to the flexibility of the ankle joints.
See more in-your-face pictures of these youngsters at Zooborns. Link