The Common Wombat, the Eastern Grey Kangaroo, the Koala, the Numbat, the Tasmanian Devil and the Short-beaked Echidna are all featured in the Native Animals stamp issue released today. Order in-store or online: http://auspo.st/1BViDZc #stampcollecting
Wombat - the closest living relative of the koala. He's not a bear either, they are both marsupial mammals and not even remotely related to bears, which are placental mammals. The third type of mammals are the monotremes.