Yak is the shaggy-haired ox which living in Alpine zone, the body is black, in Tibet, people domesticate yak and use as a work animal or raise for meat and milk. It’s hide is good material to make leather, bone use as medicinal materials and horn be made with kinds craft works. Now yak is the top-grade of the National protection animal, hunting is forbad.
Yak is the mammal, living at the highest elevation mountain. Be named with “plateau boat”.