Domesticated yaks (Bos Grunniens or the grunting ox) are thought to have been domesticated by Qiang herdsmen on the Tibetan (Qinghai) Plateau around 4,500 years ago. The Tibetan culture of the Himalayan Plateau is intertwined with yak just as Native American Plains Indian culture is intertwined with the American Bison.
Zebras are a keystone species in the Kalahari; they are a source of food both for predators such as lions and for scavengers such as brown hyenas and whitebacked vultures. Shown here are birds surveying an injured animal on the Makgadikgadi grasslands. (Adrian Bailey).
Classification/taxonomy. Some experts say that there are three species of zebras â Grevy's zebra, plains zebra and mountain zebra â and that Hartmann's zebra is a subspecies of mountain zebra. Other experts say Hartmann's zebra is a separate species.owever, zebras have black skin under their white coats! Each species of zebra has a different general pattern of stripes. The Grevy's zebra has very thin stripes. The mountain zebra has vertical stripes on its neck and torso, but horizontal stripes on its haunches.