Preservation Island is a low and undulating granite

Granite

Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

 and calcarenite

Calcarenite

thumb|250px|The [[Pietra di Bismantova]] in central [[Italy]] is an example of calcarenite formation.Calcarenite is a type of limestone that is composed predominately, more than 50 percent, of detrital sand-size , carbonate grains...

 island, with an area of 207 ha

Hectare

The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...

, in south-eastern Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. It is part of Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

’s Preservation Island Group, lying in eastern Bass Strait

Bass Strait

Bass Strait is a sea strait separating Tasmania from the south of the Australian mainland, specifically the state of Victoria.-Extent:The International Hydrographic Organization defines the limits of the Bass Strait as follows:...

 south-west of Cape Barren Island in the Furneaux Group, and is an important historic site.

History

Preservation Island was named following the wreck of the merchant ship Sydney Cove

Sydney Cove (ship)

Sydney Cove was a sailing ship wrecked in 1797 on Preservation Island off Tasmania while on her way from Calcutta to Port Jackson. She was among the first ships wrecked on the east coast of Australia.- Voyage :...

there in February 1797, predating the discovery of Bass Strait by George Bass

George Bass

George Bass was a British naval surgeon and explorer of Australia.-Early years:He was born on 30 January 1771 at Aswarby, a hamlet near Sleaford, Lincolnshire, the son of a tenant farmer, George Bass, and a local beauty named Sarah Nee Newman. His father died in 1777 when Bass was 6...

 and Matthew Flinders

Matthew Flinders

Captain Matthew Flinders RN was one of the most successful navigators and cartographers of his age. In a career that spanned just over twenty years, he sailed with Captain William Bligh, circumnavigated Australia and encouraged the use of that name for the continent, which had previously been...

  in 1798. Subsequently, the island was a base for sealers exploiting fur seal

Fur seal

Fur seals are any of nine species of pinnipeds in the Otariidae family. One species, the northern fur seal inhabits the North Pacific, while seven species in the Arctocephalus genus are found primarily in the Southern hemisphere...

s and Southern Elephant Seal

Southern Elephant Seal

The Southern Elephant Seal is one of the two extant species of elephant seal. It is both the most massive pinniped and member of the order Carnivora living today...

s during the early-to-mid-19th century and was the permanent home of sealer James Munro and several Tasmanian Aboriginal

Tasmanian Aborigines

The Tasmanian Aborigines were the indigenous people of the island state of Tasmania, Australia. Before British colonisation in 1803, there were an estimated 3,000–15,000 Parlevar. A number of historians point to introduced disease as the major cause of the destruction of the full-blooded...

 women and half-cast children until his death there in 1845. During that period and afterwards, the island has been used for grazing goat

Goat

The domestic goat is a subspecies of goat domesticated from the wild goat of southwest Asia and Eastern Europe. The goat is a member of the Bovidae family and is closely related to the sheep as both are in the goat-antelope subfamily Caprinae. There are over three hundred distinct breeds of...

s and cattle

Cattle

Cattle are the most common type of large domesticated ungulates. They are a prominent modern member of the subfamily Bovinae, are the most widespread species of the genus Bos, and are most commonly classified collectively as Bos primigenius...

.

Flora and fauna

Nearly two centuries of grazing livestock, as well as frequent fires and consequent wind erosion, have severely modified the natural plant communities. The northern section of the island is infested with African Boxthorn, with much of the rest covered by Poa

Poa

Poa is a genus of about 500 species of grasses, native to the temperate regions of both hemispheres. Common names include meadow-grass , bluegrass , tussock , and speargrass. "Poa" is Greek for fodder...

 and Stipa

Stipa

This article is about a type of grass.For Speech Transmission Index for Public Address Systems, see Speech transmission index.For the Italian aircraft designer, see Luigi Stipa...

 grassland.

Recorded breeding seabird

Seabird

Seabirds are birds that have adapted to life within the marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent evolution, as the same environmental problems and feeding niches have resulted in similar adaptations...

 and wader

Wader

Waders, called shorebirds in North America , are members of the order Charadriiformes, excluding the more marine web-footed seabird groups. The latter are the skuas , gulls , terns , skimmers , and auks...

 species include Little Penguin

Little Penguin

The Little Penguin is the smallest species of penguin. The penguin, which usually grows to an average of in height and in length , is found on the coastlines of southern Australia and New Zealand, with possible records from Chile.Apart from Little Penguins, they have several common names...

, Short-tailed Shearwater

Short-tailed Shearwater

The Short-tailed Shearwater or Slender-billed Shearwater , also called Yolla or Moonbird, and commonly known as the muttonbird in Australia, is the most abundant seabird species in Australian waters, and is one of the few Australian native birds in which the chicks are commercially harvested...

, Pacific Gull

Pacific Gull

The Pacific Gull is a very large gull, native to the coasts of Australia. It is moderately common between Carnarvon in the west, and Sydney in the east, although it has become scarce in some parts of the south-east, as a result of competition from the Kelp Gull, which has "self-introduced" since...

 and Sooty Oystercatcher

Sooty Oystercatcher

The Sooty Oystercatcher, Haematopus fuliginosus, is a species of oystercatcher. It is a wading bird native to Australia and commonly found on its coastline. It prefers rocky coastlines, but will occasionally live in estuaries....

. Brown Quail

Brown Quail

The Brown Quail , also known as Swamp Quail, is an Australasian true quail of the family Phasianidae.The Brown Quail is distributed in agricultural areas, wet grasslands, shrublands and freshwater wetlands across much of New Guinea and the Lesser Sunda Islands as well as in northern, eastern,...

 also breed there. Land degradation by stock grazing has reduced numbers of burrowing seabirds. Reptile

Reptile

Reptiles are members of a class of air-breathing, ectothermic vertebrates which are characterized by laying shelled eggs , and having skin covered in scales and/or scutes. They are tetrapods, either having four limbs or being descended from four-limbed ancestors...

s present include the Eastern Blue-tongued Lizard

Eastern blue-tongued lizard

The Eastern Blue-tongued Lizard is a subspecies of large skink which is common throughout Eastern Australia, often found in bushland and suburban areas where conditions are suitable...

, Tiger Snake and White-lipped Snake

White-lipped Snake

The White-lipped Snake is a small species of elapid snake that is restricted to south-eastern mainland Australia and Tasmania. It is the smallest of 3 species of snake found in Tasmania and is Australia's most cold tolerant snake, even inhabiting areas on Mount Kosciuszko above the snow line...

.

Other islands in the Preservation Group with breeding seabirds include:

• Night Island
  Night Island (Tasmania)
  Night Island is a small granite island, with an area of 2.59 ha, in south-eastern Australia. It is part of Tasmania’s Preservation Island Group, lying in eastern Bass Strait south of Cape Barren Island in the Furneaux Group. It is a Conservation Area...
  
  
• Preservation Islets
  Preservation Islets
  The Preservation Islets are a close group of small granite islands, with a combined area of 0.93 ha, just north-west of Preservation Island in south-eastern Australia...
  
  
• Rum Island
  Rum Island (Tasmania)
  Rum Island is a granite island, with an area of 13.5 ha, just south of Preservation Island in south-eastern Australia. It is part of Tasmania’s Preservation Island Group, lying in eastern Bass Strait south-west of Cape Barren Island in the Furneaux Group...