The white-footed rabbit rat (''Conilurus albipes'') is an

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...

, which was originally found in woodlands from

Adelaide Adelaide ( ) is the capital city of South Australia, the state's largest city and the fifth-most populous city in Australia. "Adelaide" may refer to either Greater Adelaide (including the Adelaide Hills) or the Adelaide city centre. The dem ...

Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountain ...

, but became restricted to south-eastern

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. It was kitten-sized and was one of Australia's largest native rodents. It was

nocturnal Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite. Nocturnal creatures generally have highly developed sens ...

and lived among trees. It made

nest A nest is a structure built for certain animals to hold eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of organic materia ...

s filled with

leaves A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...

and possibly

grass Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

in the limbs of hollow

eucalyptus ''Eucalyptus'' () is a genus of over seven hundred species of flowering trees, shrubs or mallees in the myrtle family, Myrtaceae. Along with several other genera in the tribe Eucalypteae, including '' Corymbia'', they are commonly known as euca ...

trees. The mother carried her young attached to her teats. In a letter to

John Gould John Gould (; 14 September 1804 – 3 February 1881) was an English ornithologist. He published a number of monographs on birds, illustrated by plates produced by his wife, Elizabeth Gould, and several other artists, including Edward Lear, ...

, then Governor of South Australia Sir George Grey said that he removed a baby from a teat of its dead mother. The baby clung tightly to Gould's glove. Sydney natives called it 'gnar-ruck' which translates as 'rabbit-biscuit'. It was a problem in the settlers' stores at about 1788. The last specimen was recorded at about 1845, but some were reported in 1856–57 and perhaps in the 1930s.

Rat Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include ''Neotoma'' ( pack rats), ''Bandicota'' (bandicoot ...

s may have spread diseases or competed for food with the white-footed rabbit rat. Cats may have been predators, while the demise of

Aboriginal Aborigine, aborigine or aboriginal may refer to: *Aborigines (mythology), in Roman mythology * Indigenous peoples, general term for ethnic groups who are the earliest known inhabitants of an area *One of several groups of indigenous peoples, see ...

firestick farming Fire-stick farming, also known as cultural burning and cool burning, is the practice of Aboriginal Australians regularly using fire to burn vegetation, which has been practised for thousands of years. There are a number of purposes for doing this ...

, which maintained woodland, may have made the rabbit rat extinct. Joyce and McCann, in ''Burke & Wills - The Scientific Legacy of the Victorian Exploring Expedition'' (CSIRO Publishing, 2012) state (p138 et seq) that the animal was seen by Beckler at camp 53 in April 1861, in the vicinity of the

Bulloo River The Bulloo River is an isolated drainage system in western Queensland, central Australia. Its floodplain, which extends into northern New South Wales, is an important area for waterbirds when inundated. It comprises most of the Bulloo-Banc ...

system. Additionally, the authors state that the relief party of 1862, which included Howitt, collected a specimen south of Coopers Creek.

References

{{Taxonbar, from=Q997559 Conilurus Extinct mammals of Australia Rodent extinctions since 1500 Extinct mammals of South Australia Mammals of New South Wales Mammals of Victoria (state) Rodents of Australia Mammals described in 1829