Augustus Island is an island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 off the Kimberley coast of Western Australia

Western Australia

Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

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The island is 22 kilometres (14 mi) in length and has a maximum width of 16 kilometres (10 mi) with a total area of 190 square kilometres (73 sq mi) and has an irregular shape. It is at the Southern end of the Bonaparte Archipelago

Bonaparte Archipelago

The Bonaparte Archipelago is a group of islands off the coast of Western Australia in the Kimberley region. The closest inhabited place is Kalumburu located about to the east of the island group....

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The island is found approximately 120 kilometres (75 mi) north-east of Bardi

Bardi, Western Australia

Bardi or One Arm Point is an Indigenous Australian Community town in the Kimberley region of Western Australia. It is located 2446 km North of Perth and the closest populated town is Derby...

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The island is uninhabited and contains no known feral

Feral

A feral organism is one that has changed from being domesticated to being wild or untamed. In the case of plants it is a movement from cultivated to uncultivated or controlled to volunteer. The introduction of feral animals or plants to their non-native regions, like any introduced species, may...

 animals.

Many flora and fauna were isolated from the mainland when sea levels rose and many populations are found intact on the island. The island provides ideal habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

 for the Nabarlek

Nabarlek

The Nabarlek , also known as the Pygmy Rock-wallaby or the Little Rock-wallaby, is a very small species of macropod found in northern Australia...

, also known as the Little Rock-Wallaby, with the weathered sandstone

Sandstone

Sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains.Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust. Like sand, sandstone may be any colour, but the most common colours are tan, brown, yellow,...

 forming deep fissures.

The Golden Bandicoot

Golden Bandicoot

The Golden Bandicoot is a short-nosed bandicoot found in northern Australia. It is by far the smallest of its genus, being a little over half the size of its relatives the Northern Brown Bandicoot and the Southern Brown Bandicoot .The Golden Bandicoot is now a threatened species...

is another vulnerable species that is resident on the island, the last recorded sighting being in 2003. This species favours the Warton sandstone and the heathland on dissected sandstone.