Yet when they are brought together artificially, they can interbreed. Such hybrids are called tions and ligers. Do they challenge the definition of species? Not really. The key words are ...

Unlike many young from hybrid species, ligers and tigons can have offspring. Five very different breeds of dog. Pedigree dogs come in lots of different varieties. They may be different colours and ...

Whether driven by morbid curiosity or in pursuit of offspring with desirable characteristics, humans have selectively bred hybrid species of plants and animals for centuries. Animals like dogs and ...

Unlike many young from hybrid species, ligers and tigons can have offspring. Five very different breeds of dog. Pedigree dogs come in lots of different varieties. They may be different colours and ...