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,
Stereotypes of animals behave as humans (unlike the Aesop model, in which animals behave as animals), and are used to invoke characters with stereotypical personalities. There is also a distinction between wild and domesticated animals. Some common stereotypes include: Stereotypes of animals When anthropomorphising an animal there are stereotypical traits which commonly tend to be associated with particular species. Often these are simply exaggerations of real aspects or behaviours of the creature in question, while other times the stereotype is taken from mythology and replaces any observation-based judgment of that animal's behavior. Some are popularised or solidified by a single particularly notable appearance