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Wombats are Australian marsupials; they are short-legged, muscular quadrupeds, approximately one metre (3 feet) in length and with a mere nubbin of a tail. The name wombat comes from the Eora Aboriginal community who were the original inhabitants of the Sydney area. Wombats dig extensive burrow systems with rodent-like front teeth and powerful claws. Although mainly crepuscular and nocturnal, wombats will also venture out to feed on cool or overcast days. They are not as easily seen as many animals, but leave ample evidence of their passage, treating fences as a minor inconvenience to be gone through or under and leaving distinctive cubic scats. Wombats are herbivores, their diet consisting mostly of grasses, sedges and roots, apples, and carrots.

Taxonomy

Wombats, like all the larger living marsupials, are part of the Diprotodontia. The ancestors of modern wombats evolved sometime between 55 and 26 million years ago (no useful fossil record has yet been found for this period) and about 12 species flourished until well into the ice ages. Among the several diprotodon (giant wombat) species was the largest marsupial to ever live. The earliest human inhabitants of Australia arrived while diprotodons were still common, and are believed to have brought about their extinction through hunting or habitat alteration.

Ecology and behaviour

Wombats have an extraordinarily slow metabolism, taking around 14 days to complete digestion, and generally move slowly. When required, however, they can reach up to 40 km/h and maintain that speed for up to 90 seconds. This is particularly remarkable because — unlike other fast animals — wombats walk and run on full feet.

When attacked, they can summon immense reserves of strength — one defence of a wombat against a predator (such as a Dingo) underground is to crush it against the roof of the tunnel until it stops breathing. Its primary defence is its toughened rear hide with most of the posterior made of cartilage which, combined with its lack of a meaningful tail, presents a difficult-to-bite target to any enemy who follows the wombat into its tunnel. One naturalist commented, that a predator biting into a wombat's rear would find it "comparable to the business end of a toilet brush".

There are three species, all around a metre long and weighing between 20 and 35 kg.

• The Common Wombat (Vombatus ursinus) is widespread in the cooler and better watered parts of southern and eastern Australia, and in mountain districts as far north as the south of Queensland, but is declining in Western Victoria and South Australia. Common Wombats can breed every two years and produce a single cub, which leaves the backwards facing pouch after six to nine months but follows the mother about and breast-feeds for another year.

• The Northern Hairy-nosed Wombat or Yaminon (Lasiorhinus krefftii), was found across New South Wales, Victoria and Queensland as recently as 100 years ago, but is now restricted to a 3 km² range within the 32 km² Epping Forest National Park in Queensland. It is probably the rarest large mammal in the world and is critically endangered. It is slightly larger than the Common Wombat and able to breed somewhat faster (two young every three years). Its habitat has become infested with African buffel grass, which out-competes the native grasses Yaminon prefers to feed on. A two metre-high predator-proof fence was constructed around 25 km² of the park in 2000, but captive breeding and translocation programs have been abandoned for the time being because the population in the sole remaining Yaminon colony is considered too small to allow the safe removal of the 15 or 20 individuals needed to start a new wild colony, and because more than a decade of captive breeding research with Common and Southern Hairy-nosed Wombats has produced only a handful of successful births.

Wombats and humans

Unlike a lot of Australian marsupial wildlife, wombats appear to have little fear of humans. They can be awkwardly tamed in a captive situation, and even coaxed to be patted and held. Many parks, zoos and other tourist set-ups across Australia have wombats for show to the public. They are quite popular in the zoos they are present in.

However, this lack of fear also means that they may display acts of aggression if provoked, or if they are simply in a bad mood. Its sheer weight makes a charging wombat capable of knocking a man over, and their sharp teeth and powerful jaws can result in severe wounds. This is why wombats are illegal as pets in Australia. The naturalist Harry Frauca once received a bite 2 cm deep into the flesh of his leg—through a rubber boot, trousers and thick woollen socks (Underhill, 1993). A young boy let into an enclosure unprotected to feed a wombat at a caravan park was charged, knocked over, and bitten and scratched all over. [1]

Wombats, while they look cute and cuddly when small, do not make good pets in the long run. They are solitary animals and prefer to stay that way when older. Russell The Wombat's Burrow has a detailed section on why wombats do not make good pets.

Unfortunately many people's only contact with wombats is on highways at night, when many are killed in accidents, often doing considerable damage to vehicles.

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Wombats in popular culture

Children's author Jackie French's illustrated storybook, Diary of a Wombat (2002, ISBN 0207199957 ) has won numerous awards worldwide. Wombats in fiction and cartoons are often depicted as sluggish, irritable and dim-witted. One such wombat character is the eponymous hero of the author Ruth Park's Muddle Headed Wombat stories.

The RSPCA of Australia ran a prominent television advertisement in which injured animals would run across the screen to classical music. A small injured wombat would repeatedly start to cross the screen, but then turn around and run back, at the end of the advertisement, it would quickly run across the screen. This, coupled with wombats' generally retiring nature when viewed during the day at zoos, has led to the popular misconception that wombats are timid and shy creatures.

The web comic Digger by Ursula Vernon stars a lovable, feisty young wombat, lost far from home after tunnelling into unknown magic.

In a short humorous poem attributed to Ogden Nash, the speaker finds wombats rather enigmatic, but asserts that he "would not engage the wombat in any form of mortal combat."

"Combat Wombats" was the nickname for 4th Platoon, Charlie Company, 795th Military Police Battalion, 14th Training Brigade (Class 504-05) based in Fort Leonard Wood, Missouri.

References and Notes

Wiki Source

Further reading The Secret Life of Wombats, James Woodford, Text Publishing, 2002, ISBN 1-877008-43-5. The Death of a Wombat, Ivan Smith, drawings by Clifton Pugh, Charles Scribner's Sons, 1973, hardcover, 62 pages, ISBN 0-684-13538-8. A humble wombat meets a tragic end during a fire. Wombats, Barbara Triggs, Houghton Mifflin Australia Pty, 1990, ISBN 0-86770-114-5. Facts and photographs of wombats for children. The Wombat, Barbara Triggs, University of New South Wales Press, 1996, ISBN 086840263X. Reference Underhill D (1993) Australia's Dangerous Creatures, Reader's Digest, Sydney, New South Wales, ISBN 0-86438-018-6 Groves, Colin (November 16, 2005). Wilson, D. E., and Reeder, D. M. (eds) Mammal Species of the World, 3rd edition, 43-44, Johns Hopkins University Press. ISBN 0-801-88221-4.