Australian Island ArksAustralia is the custodian of a diverse range of continental and oceanic islands. From Heard and Macquarie in the sub Antarctic, to temperate Lord Howe and Norfolk, to the tropical Cocos (Keeling) and the islands of the Great Barrier Reef, Australia's islands contain some of the nation's most iconic fauna, flora, and ecosystems. They are a refuge for over 35% of Australia's threatened species and for many others declining on mainland Australia. They