Sunday 19 May
Broad-faced potoroo (Potorous platyops)
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Broad-faced potoroo fact file
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Broad-faced potoroo description
Last recorded alive in 1875, the enigmatic broad-faced potoroo was possibly an early victim of the expansion of European settlers into the western half of the Australian continent (4) (5). A member of the Potoroidae family, otherwise known as the “rat-kangaroos”, this diminutive marsupial had well developed hind-limbs, like those of a kangaroo, and short but muscular fore-limbs bearing small paws (2) (6). As alluded to in its name, the muzzle of the broad-faced potoroo was much shorter and wider than those of its extant relatives (4) (6).The coat colour was variable, with the hair on the back being grey at the base, passing into yellow-brown, then white, and tipped with black, while the underparts were dusky white (3).Top
Broad-faced potoroo biology
In the time between the broad-faced potoroo’s discovery in 1844 and its final disappearance in 1875, only 12 specimens were ever collected (1) (5). Consequently, almost nothing is known about the biology of this species. Nonetheless, given that all the modern potoroids are at least partially omnivorous, there is a high probability the broad-faced potoroo was as well (2).Top
Broad-faced potoroo rangeTop
Broad-faced potoroo habitat
While the extant potoroos are known to inhabit dense grassland and low, thick scrub (4), very little is known about the specific requirements of the broad-faced potoroo, other than that it is not believed to have occurred in forested areas (1).Top
Broad-faced potoroo status
Classified as Extinct (EX) on the IUCN Red List (1).Top
Broad-faced potoroo threats
Despite extensive surveys, the broad-faced potoroo has not been recorded in more than 125 years, and is thus believed to be extinct (1). The cause of its extinction is unknown, but it is thought to have likely been brought about by the arrival of feral cats, in possible conjunction with disease and the cessation of burning by local Aboriginal people (1) (5). There is also speculation that the species may have been already rare at the time of European human settlement of the Australian continent (3).Top
Broad-faced potoroo conservation
The broad-faced potoroo is classified as Extinct (1).Top
- A species or taxonomic group that is only found in one particular country or geographic area.
- Still occurring, not extinct.
- A diverse group of mammals characterised by their reproduction, in which gestation is very short, and the female typically has a pouch (marsupium) in which the young are raised. When born, the tiny young crawls to the mother’s teats, where it attaches and stays for a variable amount of time, whilst it continues to develop. Marsupials also differ from placental mammals in their dentition.
- Feeding on both plants and animals.
- Members of the Potoroidae family, includes bettongs, potoroos, and the musky rat-kangaroo.
- IUCN Red List (April, 2009)
- Seebeck, J.H. and Rose, R.W. (1989) Potoroidae. In: Walton, D.W. and Richardson, B.J. (Eds) Fauna of Australia, Vol 1B. Mammalia. Australian Government Publishing Service, Canberra.
- van Dyk, S. and Strahan, R. (2008) The Mammals of Australia: Third Edition. Reed New Holland, Sydney.
- Nowak, R.M. (1999) Walker's Mammals of the World. The Johns Hopkins University Press, Baltimore and London.
- Flannery, T. and Schouten, P. (2002) A Gap in Nature. Random House, London.
- Claridge, A., Seebeck, J. and Rose, R. (2007) Bettongs, Potoroos and the Musky rat-kangaroo. Australian Natural History Series. CSIRO Publishing, Collingwood.
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