Inner Sister Island, part of the
Sister Islands Conservation Area, is a
granite
Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies under ...
and
dolerite
Diabase (), also called dolerite () or microgabbro,
is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine-grain ...
island, with an area of , located in
Bass Strait,
Tasmania
)
, nickname =
, image_map = Tasmania in Australia.svg
, map_caption = Location of Tasmania in AustraliaCoordinates:
, subdivision_type = Country
, subdi ...
,
Australia.
Location and features
The Inner Sister Island is located north of
Flinders Island
Flinders Island, the largest island in the Furneaux Group, is a island in the Bass Strait, northeast of the island of Tasmania. Flinders Island was the place where the last remnants of aboriginal Tasmanian population were exiled by the colo ...
in the
Furneaux Group
The Furneaux Group is a group of approximately 100 islands located at the eastern end of Bass Strait, between Victoria and Tasmania, Australia. The islands were named after British navigator Tobias Furneaux, who sighted the eastern side of ...
. The island is grazed by
sheep
Sheep or domestic sheep (''Ovis aries'') are domesticated, ruminant mammals typically kept as livestock. Although the term ''sheep'' can apply to other species in the genus '' Ovis'', in everyday usage it almost always refers to domesticated ...
and annual
muttonbirding takes place.
[
]Seabird
Seabirds (also known as marine birds) are birds that are 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 enviro ...
s and wader
245px, A flock of Dunlins and Red knots">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 mudflat ...
s recorded as breeding on the island include little penguin, short-tailed shearwater, silver gull
The silver gull (''Chroicocephalus novaehollandiae'') 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 (''Larus pacificus''), which ...
, Pacific gull
The Pacific gull (''Larus pacificus'') 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 re ...
, pied oystercatcher
The pied oystercatcher (''Haematopus longirostris'') is a species of oystercatcher. It is a wading bird native to Australia and commonly found on its coastline. The similar South Island pied oystercatcher (''H. finschi'') occurs in New Zealand. ...
and 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 ...
. Resident reptiles are the three-lined skink
The eastern three-lined skink (''Acritoscincus duperreyi''), also known commonly as the bold-striped cool-skink, is a species of skink, a lizard in the family Scincidae. The species is endemic to Australia. ''A. duperreyi'' has been extensi ...
, White's skink
White's skink (''Liopholis whitii)'', also known commonly as White's rock skink, is a species of lizard in the family Scincidae. The species is endemic to Australia.
Etymology
The specific name, ''whitii'', is in honour of Irish surgeon and ...
, white-lipped snake
The white-lipped snake (''Drysdalia coronoides'') is a small species of venomous snake in the family Elapidae. The species is endemic to south-eastern mainland Australia and Tasmania.
Description
It is the smallest of three species of snake f ...
and tiger snake. Apart from the sheep, mammals present on the island include the eastern barred bandicoot
The eastern barred bandicoot (''Perameles gunnii'') is a nocturnal, rabbit-sized marsupial endemic to southeastern Australia, being native to the island of Tasmania and mainland Victoria. It is one of three surviving bandicoot species in the g ...
, Tasmanian pademelon
The Tasmanian pademelon (''Thylogale billardierii''), also known as the rufous-bellied pademelon or red-bellied pademelon, is the sole species of pademelon found in Tasmania, and was formerly found throughout southeastern Australia. This pademel ...
and the introduced European hare
The European hare (''Lepus europaeus''), also known as the brown hare, is a species of hare native to Europe and parts of Asia. It is among the largest hare species and is adapted to temperate, open country. Hares are herbivorous and feed mainly ...
.
See also
* List of islands of Tasmania
Tasmania is the smallest and southernmost state of Australia. The Tasmanian mainland itself is an island, with an area of - 94.1% of the total land area of the state. The other islands have a combined area of , for a cumulative total of 99.75% o ...
* Outer Sister Island
* Shag Reef
References
External links
*
Furneaux Group
{{Tasmania-geo-stub