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).
The plains zebra (Equus quagga, formerly Equus burchellii), also known as the common zebra or Burchell's zebra, is the most common and geographically widespread species of zebra. It ranges from the south of Ethiopia through East Africa to as far south as Botswana and eastern South Africa.he plains zebra (Equus quagga, formerly Equus burchellii), also known as the common zebra or Burchell's zebra, is the most common and geographically widespread species of zebra. It ranges from the south of Ethiopia through East Africa to as far south as Botswana and eastern South Africa.