The white-footed dunnart (''Sminthopsis leucopus'') is a
marsupial
Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas. One of marsupials' unique features is their reproductive strategy: the young are born in a r ...
that occurs on
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 ...
and mainland
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 occurs along the coast and in inner
Gippsland
Gippsland () is a rural region in the southeastern part of Victoria, Australia, mostly comprising the coastal plains south of the Victorian Alps (the southernmost section of the Great Dividing Range). It covers an elongated area of east of th ...
and
Alpine areas up to 400 metres near
Narbethong. In southern New South Wales, the white-footed dunnart is known to occur at elevations at least as high as 1000 metres.
[Kavanagh RP, & Webb GA. (1998). Effects of variable-intensity logging on mammals, reptiles and amphibians at Waratah Creek, southeastern New South Wales. ''Pacific Conservation Biology'', 4(4), 326. https://www.publish.csiro.au/pc/pc980326] The length from snout to tail tip is of which head and body are and the tail long. They weigh .
Habitat
The average rainfall of its habitat is between per year. Unlike the
fat-tailed dunnart
The fat-tailed dunnart (''Sminthopsis crassicaudata'') is a species of mouse-like marsupial of the Dasyuridae, the family that includes the little red kaluta, quolls, and the Tasmanian devil.
Description
It has an average body length of ...
, this species requires forest and woodland cover of more than 50% of any square metre of heath understory or mid-story plant species. Other habitats include coastal
tussock grass
Tussock grasses or bunch grasses are a group of grass species in the family Poaceae. They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perennia ...
lands, sedgeland and wet heath. This
dunnart
A dunnart (from Noongar ''donat'') is a narrow-footed marsupial the size of a European mouse, of the genus ''Sminthopsis''. Dunnarts have a largely insectivorous diet.
Taxonomy
The genus name ''Sminthopsis'' was published by Oldfield Thomas ...
has an individual range of about 120 square metres for both sexes, although this varies greatly among males, with some males acquiring territories of up to 1200 square metres. Male territories often overlap those of females.
Breeding and social organisation
The white-footed dunnarts mate in summer. The female white-footed dunnart will give birth in September or October, and up to ten joeys may be delivered. After eight weeks old, the young will exit their mothers pouch, continue nursing for a month, then disperse.
Diet
The feeding habit of this 20–30 g species is similar to that of other
dasyurid
The Dasyuridae are a family of marsupials native to Australia and New Guinea, including 71 extant species divided into 17 genera. Many are small and mouse-like or shrew-like, giving some of them the name marsupial mice or marsupial shrews, but th ...
s; it is an opportunistic feeder. Diet consists of invertebrates and reptiles of between 1 and 18 mm in length.
Subspecies
An unnamed subspecies of white-footed dunnart was recently found in northern
Queensland
Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...
.
However, it has been named
endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, inv ...
due to its population scarcity.
References
Further reading
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External links
Mammals of Tasmania – white-footed dunnartWhite-footed dunnart
{{Taxonbar, from=Q135415
Dasyuromorphs
Mammals of Tasmania
Mammals of New South Wales
Mammals of Queensland
Mammals of Victoria (state)
Marsupials of Australia
Mammals described in 1842
Taxa named by John Edward Gray