There are over 30 species of yabby, a type of freshwater crayfish, in Australia. Different species may be known by various other names, such as marron, koonacs and gilgies. In addition there are...
There is only one main species of koala (Phascolarctus Cinereus), and some disagreement about whether there are two or three sub-species, or indeed, whether there are any sub-species at all....