Australia is home to a variety of unique marsupials, including the KOALA, OPOSSUM, roo, and WOMBAT. The KOALA is a small, tree-dwelling mammal with five letters in its name. The OPOSSUM is a nocturnal marsupial with seven letters in its name. The roo is a kangaroo-like marsupial with three letters in its name. Lastly, the WOMBAT is a burrowing marsupial with six letters in its name. All four of these animals are native to Australia and are an important part of the country's wildlife.