The koala is a marsupial native to Australia. Most of the koalas of Australia are mainly found in the coastal regions of the southern and eastern Australia. During the early 20 th century koalas of South Australia were a big part exterminated. In Western Australia or Tasmania there is no koala found. Koala the word comes from Dharuk gula, koala means “doesn’t drink”. Usually the koala is called koala bear; it is not a bear and not a family part of the bear. It is probably due to its appearance which looks as a Teddy Bear. The outsiders still use the name koala bear for the koalas. The koala is known to be a quite lazy animal and doesn’t move a lot, there main living area is in eucalypt trees and feed themselves with the leaves of the tree. They are active around five hours during the a day and three of them are spent in eating. Usually the koalas eat at night. The eucalypt leaves is the main food of the koala, the leaves are low in protein. It has been discovered that before 50,000 years ago giant koalas inhabited the southern part of Australia. The closest relative of the Australian Koala is the wombat, but has larger ears, longer limbs and a thicker coat. A baby koala is called a joey, at its birth the joey is blind, earless and hairless. The joey is at birth only a quarter of an inch long.