Aussie Marsupials are a group of animals native to Australia, and include the Roo (3 letters), WOMB (4 letters), KOALA (5 letters), WOMBAT (6 letters), and WALLAROO (8 letters). These animals are all marsupials, meaning they carry their young in a pouch. The Roo is a type of kangaroo, the WOMB is a type of possum, the KOALA is a tree-dwelling mammal, the WOMBAT is a burrowing animal, and the WALLAROO is a type of kangaroo with a smaller body size.