Bovidae in Chinese mythology from Kashmir to Iran, including much desert country characteristic of the historic Western Regions. The European mouflon ("Ovis musimon") is thought to be the ancestor of the modern domestic sheep ("Ovis aries"), and was historically herded by the Xiong Nu, and other population groups located in or near China. The domestic goat ("Capra aegagrus hircus") is a subspecies of goat domesticated from the wild goat of southwest Asia and Eastern Europe. Another species historically found wild in parts of China include the serow and the goral. This group includes various miscellaneous species, including gazelles. Species which have historically ranged in
Dmitry Belyayev (zoologist) also been of great interest to Darwin. It was recognized that domesticated animals differ in several ways from their wild counterparts, but it was not known what principle of selection had guided the Neolithic farmers who had first domesticated these species thousands of years ago. Belyayev's hypothesis was that "all domesticated species had been selected for a single criterion: tameness." Belyayev further theorized that this attribute "had dragged along with it most of the other features that distinguish domestic animals from their wild forebears, like droopy ears, patches of white in the fur and changes in skull shape." In other