2012 50c Australian Outback 1/2oz Silver Coloured Proof 3 Coin SetAustralia is a country renowned for its unique wildlife. Its most popular and instantly recognisable creatures are the kangaroo, the koala and the kookaburra. As native marsupials, the kangaroo and the koala display features and behaviours which ensure their survival in the extreme conditions of the Australian outback. Sharing Australias eucalyptus forests and other flora is the well known kookaburra.