Steep Island, also known as Steep Head, is a 21.6 ha island in

Bass Strait Bass Strait () is a strait separating the island state of Tasmania from the Mainland Australia, Australian mainland (more specifically the coast of Victoria (Australia), Victoria, with the exception of the land border across Boundary Islet). The ...

in south-eastern

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

. It is part of

Tasmania Tasmania (; palawa kani: ''Lutruwita'') is an island States and territories of Australia, state of Australia. It is located to the south of the Mainland Australia, Australian mainland, and is separated from it by the Bass Strait. The sta ...

’s Hunter Island Group and lies between north-west Tasmania and King Island. It was once used for grazing sheep but title has been transferred to the Tasmanian Aboriginal community; with an estimated 250,000 shearwater burrows present, it is principally used for

muttonbirding Muttonbirding is the seasonal harvesting of the chicks of petrels, especially shearwater species, for food, oil and feathers by recreational or commercial hunters. Such hunting of petrels and other seabirds has occurred in various locations sin ...

.Brothers, Nigel; Pemberton, David; Pryor, Helen; & Halley, Vanessa. (2001). ''Tasmania’s Offshore Islands: seabirds and other natural features''. Tasmanian Museum and Art Gallery: Hobart.

Fauna

The island forms part of the

Hunter Island Group Important Bird Area The Hunter Island Group Important Bird Area comprises several islands in the Hunter Island Group and Trefoil Island Group lying off the north-western coast of Tasmania, Australia. Collectively, they have an area of 152 km2. They have been ...

.BirdLife International. (2011). Important Bird Areas factsheet: Hunter Island Group. Downloaded from http://www.birdlife.org on 2011-07-09. Breeding

seabird Seabirds (also known as marine birds) are birds that are adaptation, adapted to life within the marine ecosystem, marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent ...

s and

shorebird 245px, A flock of Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflats in order to foraging, ...

s include

little penguin The little penguin (''Eudyptula minor'') is the smallest species of penguin. It originates from New Zealand. It is commonly known as the fairy penguin, little blue penguin, or blue penguin, owing to its slate-blue plumage and is also known by ...

short-tailed shearwater The short-tailed shearwater or slender-billed shearwater (''Ardenna tenuirostris''; formerly ''Puffinus tenuirostris''), also called yolla or moonbird, and commonly known as the muttonbird in Australia, is the most abundant seabird species in A ...

common diving-petrel The common diving petrel (''Pelecanoides urinatrix''), also known as the smaller diving petrel or simply the diving petrel, is a diving petrel, one of four very similar auk-like small petrels of the southern oceans. It is native to South Atlanti ...

Pacific gull The Pacific gull (''Larus pacificus'') is a gull, native to the coasts of Australia. It is moderately common between Carnarvon, Western Australia, Carnarvon in the west, and Sydney in the east, although it has become scarce in some parts of the s ...

silver gull The silver gull (''Chroicocephalus novaehollandiae'') is a gull in Oceania. It is the most common gull of Australia. It has been found throughout the continent, but particularly at or near coastal areas. It is smaller than the Pacific gull (''L ...

sooty oystercatcher The sooty oystercatcher (''Haematopus fuliginosus'') is a species of oystercatcher. It is a wading bird endemic to Australia and commonly found on its coastline. It prefers rocky coastlines, but will occasionally live in estuaries. All of its fea ...

and

black-faced cormorant The black-faced cormorant (''Phalacrocorax fuscescens''), also known as the black-faced shag, is a medium-sized member of the cormorant family. Upperparts, including facial skin and bill, are black, with white underparts. It is Endemism, endem ...

Tiger snake The tiger snake (''Notechis scutatus'') is a large and highly venomous snake of southern Australia, including its coastal islands and Tasmania. These snakes are often observed and locally well known by their banding, black and yellow like a ti ...

s have been introduced to the island and pose a threat to breeding seabirds.

References

North West Tasmania Important Bird Areas of Tasmania Private islands of Tasmania Islands of Bass Strait {{Tasmania-geo-stub