When two types of animals cannot mate, they are often considered to be different species. However, this definition of species is not perfect, and there are many examples of animals that can mate with other animals that are clearly not members of the same species. The results of these pairings can be interesting and unexpected. Here are some famous examples.
When a male donkey and a female horse mate, the result is a mule. Mules can Read the rest of this entry »