Australia has many great geological facts and features.The area Australia is 2.97 million sq miles and the worlds sixth largest country. The Great Barrier Reef is one the greatest feature of Australia. It's 1,553 miles long and for that is the largest coral reef in the world. Australia has three different biomes including desert, savanna, and tropical. The desert is the major biome in Australia, containing lots of wildlife. Australia's territory contain state birds and animal. For New Southern Wales the state animal is the platypus and the state bird is the kookaburra. There's also Tasmania right below Australia. Also there's New Zealand southwest of Australia and beside tasman sea. New Zealand is known for its diverse nature and animals.