The Great Dog Island, also known as Big Dog Island, and part of the Great Dog Group within 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 ...

, 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 un ...

island An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An isla ...

, located in

Bass Strait Bass Strait () is a strait separating the island states and territories of Australia, state of Tasmania from the Australian mainland (more specifically the coast of Victoria (Australia), Victoria, with the exception of the land border across Bo ...

, lying south of the

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 ...

and north of the

Cape Barren Island Cape Barren Island, officially truwana / Cape Barren Island, is a island in the Bass Strait, off the north east coast of Tasmania, Australia. It is the second largest island of the Furneaux Group; Flinders Island lies to the north, with th ...

, in

Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location of Tasmania in AustraliaCoordinates: , subdivision_type = Country , subdi ...

, in south-eastern

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

. The island is private property and has been severely affected by

grazing In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to roam around and consume wild vegetations in order to convert the otherwise indigestible (by human gut) cellulose within grass and ot ...

livestock Livestock are the domesticated animals raised in an agricultural setting to provide labor and produce diversified products for consumption such as meat, eggs, milk, fur, leather, and wool. The term is sometimes used to refer solely to ani ...

fire Fire is the rapid oxidation of a material (the fuel) in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. At a certain point in the combustion reaction, called the ignition point, flames ...

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 since ...

and the introduction of exotic animals. The island is part of the Franklin Sound Islands Important Bird Area, identified as such by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding ...

because it holds over 1% of the world populations of six bird species.

History

George Robinson visited the island in the 1830s and records sealers taking mutton birds there in 1837.

Great Dog Island Group

The Great Dog Island Group includes: * Great Dog Island *

Little Green Island Little Green Island is a granite island, with an area of , in south-eastern Australia. It is part of Tasmania’s Great Dog Island Group, lying in eastern Bass Strait between Flinders and Cape Barren Islands in the Furneaux Group. It is part ...

* Billy Goat Reefs * South East Great Dog Islet *

Little Dog Island Little Dog Island is a square, flat granite island, with an area of 83 ha, in south-eastern Australia. It is part of Tasmania’s Great Dog Island Group, lying in eastern Bass Strait between Flinders and Cape Barren Islands in the Furneaux Gr ...

* Samphire Island *

Fisher Island Fisher is an archaic term for a fisherman, revived as gender-neutral. Fisher, Fishers or The Fisher may also refer to: Places Australia * Division of Fisher, an electoral district in the Australian House of Representatives, in Queensland * Ele ...

Fisher Island Reef Fisher Island Reef is a small granite island, with an area of 1,000 square metres, in south-eastern Australia. It is part of Tasmania’s Great Dog Island Group, lying in eastern Bass Strait between Flinders and Cape Barren Islands in the ...

Briggs Islet Briggs Islet is a small granite island, with an area of 3.4 ha, in south-eastern Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island o ...

Spences Reefs Spences Reefs is a pair of reefs consisting of two islets, with a combined area of 0.65 ha, in Tasmania, Australia. They are close to the south-east corner of Little Green Island and part of the Great Dog Island Group, lying in eastern Bass ...

Flora and fauna

The island's vegetation is dominated by the grass '' Poa poiformis'', aided by the burrowing and fertilising activities of the shearwaters in conjunction with regular burning-off. However, at the north-eastern side of the island, there is a remnant mixed forest community, rare within the Furneaux Group, of manna gum and ''

Acacia verticillata ''Acacia verticillata'' (prickly Moses; prickly-leaved wattle; star-leaved acacia; prickly mimosa; whorl-leaved acacia) is a perennial shrub to small tree native to south eastern Australia. Description The shrub or tree can grow to a maximum ...

'' with various species of ''

Allocasuarina ''Allocasuarina'' is a genus of trees in the flowering plant family Casuarinaceae. They are endemic to Australia, occurring primarily in the south. Like the closely related genus ''Casuarina'', they are commonly called sheoaks or she-oaks. ...

'', ''

Melaleuca ''Melaleuca'' () is a genus of nearly 300 species of plants in the myrtle family, Myrtaceae, commonly known as paperbarks, honey-myrtles or tea-trees (although the last name is also applied to species of ''Leptospermum''). They range in size f ...

'' and ''

Leptospermum ''Leptospermum'' is a genus of shrubs and small trees in the myrtle family Myrtaceae commonly known as tea trees, although this name is sometimes also used for some species of '' Melaleuca''. Most species are endemic to Australia, with the great ...

''. Recorded breeding

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 envir ...

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 ...

species are

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 ...

(about 300,000 pairs),

white-faced storm-petrel The white-faced storm petrel (''Pelagodroma marina''), also known as white-faced petrel is a small seabird of the austral storm petrel family Oceanitidae. It is the only member of the monotypic genus ''Pelagodroma''. Description The white-faced ...

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

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. ...

Reptile Reptiles, as most commonly defined are the animals in the class Reptilia ( ), a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates ( lizards and snakes) and rhynchocephalia ...

s present include the

metallic skink :''"Metallic skink" may also refer to the garden skink ( Lampropholis delicata)''. ''Carinascincus metallicus'', the metallic cool-skink or metallic skink is a species of skink in the family Scincidae. It is endemic to Australia, found in sout ...

, spotted skink,

eastern 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 extensivel ...

eastern blue-tongued lizard The ''Tiliqua scincoides scincoides,'' or eastern blue-tongued lizard, is native to Australia. It is unique due to its blue tongue, which can be used to warn off predators. In addition to flashing its blue tongue, the skink hisses and puffs up its ...

lowland copperhead The lowland copperhead or lowlands copperhead (''Austrelaps superbus'') is a venomous Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The t ...

and tiger snake. A native mammal recorded from the island is the

rakali The rakali (''Hydromys chrysogaster)'', also known as the rabe or water-rat, is an Australian native rodent first described in 1804. Adoption of the Aboriginal name Rakali is intended to foster a positive public attitude by Environment Australia ...

, along with introduced

mice A mouse ( : mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus'' ...

, rats and

feral cat A feral cat or a stray cat is an unowned domestic cat (''Felis catus'') that lives outdoors and avoids human contact: it does not allow itself to be handled or touched, and usually remains hidden from humans. Feral cats may breed over dozens ...

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

References

{{Islands of Tasmania , state=collapsed Furneaux Group Important Bird Areas of Tasmania Islands of North East Tasmania Private islands of Tasmania Islands of Bass Strait

History

Great Dog Island Group

Flora and fauna

See also

References