sentence: Wild yaks can be black or brown.
sentences_before: Most Yaks are domestic, which means they live on  farms run by people. There are a few wild Yak but they aren't many left and are in danger of extinction. There may be as few as 100 Yak left in the wild. Domestic Yaks are shorter, between 1 and 2 metres for both males and females. All Yaks have long, thick hair to keep them warm in the cold places they live.
sentences_after: Some domestic yaks are white. All kinds of yaks have horns.
concept_name: wild yak
headings: Yak
categories: Bovines