What is Wild yak?
{{Speciesbox | name = Wild yak | fossil_range = {{Fossil range|5|0}}<small>Early [[Pliocene]] – Recent</small> | status = VU | status_system = IUCN3.1 | status_ref = <ref name=iucn>{{cite journal | authors =Buzzard, P. & Berger, J. | title = ''Bos mutus'' | journal = [[IUCN Red List of Threatened Species]] | volume=2016 | page = e.T2892A101293528 | publisher = [[IUCN]] | year =2016| url =http://www.iucnredlist.org/details/2892/0 | accessdate = 3 December 2016}}</ref> | image = Wild oxen, sheep and goats of all lands, living and extinct (Plate IV) BHL9370000.jpg | taxon = Bos mutus | authority = [[Przewalski]], 1883 | range_map = Bos mutus map.png | range_map_caption = Distribution of Wild yak }} The '''wild yak''' (''Bos mutus'') is a large wild [[bovid]] native to the [[Himalayas]] in [[Central Asia]]. It is the ancestor of the [[domestic yak]] (''Bos grunniens''). Most yaks are [[domestic]], which means they live on farms run by [[human|people]]. There are a few [[wild]] yak but there are not many left and are in danger of [[extinction]].<ref name=UNEP>{{cite web|url=http://www.unep-wcmc.org/species/data/species_sheets/yak.htm|title=UNEP - the Yak|access-date=2008-09-05|archive-date=2008-09-23|archive-url=https://web.archive.org/web/20080923222936/http://www.unep-wcmc.org/species/data/species_sheets/yak.htm|url-status=dead}}</ref> There may be as few as 100 yak left in the wild.<ref name=UNEP/> Wild [[male]] yaks stand about 2–2.2 meters tall at the shoulder, the [[female]]s about 1 metre. Domestic Yaks are shorter, between 1 and 2 metres for both males and females.<ref name=UNEP/> All yaks have long, thick [[hair]] to keep them warm in the cold places they live. Wild yaks can be [[black]] or [[brown]]. Some domestic yaks are white.<ref>{{cite web|url=http://upload.wikimedia.org/wikipedia/commons/5/54/Yaks_in_Manali.jpg|title=A picture of a white domestic yak}}</ref> All kinds of yaks have [[Horn (anatomy)|horns]]. The closest relatives of yaks are considered to be bison, which have historically been consider