History of the domestic sheep exact line of descent between domestic sheep and their wild ancestors is unclear. The most common hypothesis states that "Ovis aries" is descended from the Asiatic ("O. orientalis") species of mouflon. A few breeds of sheep, such as the Castlemilk Moorit from Scotland, were formed through crossbreeding with wild European mouflon. The urial ("O. vignei") was once thought to have been a forebear of domestic sheep, as they occasionally interbreed with mouflon in the Iranian part of their range. However, the urial, argali ("O. ammon"), and snow sheep ("O. nivicola") have a different number of chromosomes than other Ovis species,
Domesticated quail Domesticated quail A domesticated quail is a domestic form of the quail, a collective name which refers to a group of several small species of fowl. Thousands of years of breeding and domestication have guided the bird's evolution. Humans domesticated quail for its meat and egg production; additionally, quail can be kept as pets. Domesticated quail are commonly kept in long wire cages and are fed game bird feed. The most common domesticated breed is the Coturnix quail (also known as the Japanese quail). Quail live on the ground, and rarely fly unless forced to do so. Twenty types of