Argali

The argali or mountain sheep ("Ovis ammon") is a wild sheep. It lives in the highlands of Central Asia (Himalaya, Tibet, Altay). 
The argali is the biggest wild sheep. It can be up to 120 centimetres tall, and can weigh as much as 140 kilograms. The Pamir argali, also called the Marco Polo sheep, may be more than 6 feet in length. They were discovered by the explorer Marco Polo. The Pamir argali is globally endangered.