what's that breed of really hair yak? Isn't there a shetland breed? This is tibetan.
yaks are native ONLY to tibet. you're prolly thinking of some other kind of ungulate, maybe a bison?
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moar yaks?
http://www.youtube.com/watch?v=-gEs-uYmw-8
You're thinking of highland cattle a.k.a Scotch highlander and other names. It's a breed of domestic cow, Bos taurus. Domestic yaks are Bos grunniens.
Emoooo cow