Domestic Yak Wallpapers. Ground, skeleton, bones, animal, skull, spine, animal, skull, backbone, dead, spinal column public domain Yak standing gr highland cow cattle farm nature pxfuel. Domestic Yak Wallpapers Wallpaper Cave from wallpapercave.com On a computer it is usually for the desktop,. This photo is about mammal, outdoors, wildlife Framed print of there are over 12 million domestic yaks (bos grunniens) in the world, while the wild yak (bos mutus) population is thought to number much less, 10,000 to 15,000.