The Arnhem Land landscape is a vast tropical savanna, with open eucalypt forests and a grassy understory. Credit: Jangari/Wikimedia Commons Australia has the largest intact savannas on Earth. Savannas are an ever-changing mosaic of ecosystems—from the sparse grasslands to dense woodlands, forests and wetlands. They stretch from Cape York Peninsula in Queensland to the Kimberley in Western Australia, making up almost 25% of Australia's landmass. They are va