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Northern hairy-nosed wombat

Northern hairy-nosed wombat
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Marsupialia
Order: Diprotodontia
Family: Vombatidae
Genus: Lasiorhinus
Gray, 1863
Species: L. krefftii
Binomial name
Lasiorhinus krefftii
(Owen, 1873)
Northern Hairy-nosed Wombat area.png
Northern hairy-nosed wombat range

The northern hairy-nosed wombat (Lasiorhinus krefftii) is one of three species of wombats. It is one of the rarest land mammals in the world and is critically endangered. Its historical range extended across New South Wales, Victoria, and Queensland as recently as 100 years ago, but it is now restricted to one place, a 3-km2 range within the 32-km2Epping Forest National Park in Queensland. In 2003, the total population consisted of 113 individuals, including only around 30 breeding females. In the last census taken in 2013, the estimated population was 196 individuals, with an additional 9 individuals at the Richard Underwood Nature Refuge at Yarran Downs near St. George in southern Queensland. In recent years, the population has experienced a slow but steady increase to an estimated 230 individuals in 2015.

In general, all species of wombat are heavily built, with large heads and short, powerful legs. They have strong claws to dig their burrows, where they live much of the time. It usually takes about a day for an individual to dig a burrow.

Northern hairy-nosed wombats have bodies covered in soft, grey fur and even have fur on their noses, a trait that sets them apart from the common wombat. They have longer, more pointed ears and a much broader muzzle than the other two species. Individuals can be 35 cm high, up to 1 m long and weigh up to 40 kg. The species exhibits sexual dimorphism, with females being somewhat larger than males due to the presence of an extra layer of fat. They are slightly larger than the common wombat and able to breed somewhat faster (giving birth to two young every three years on average).

The northern hairy-nosed wombat's nose is very important in its survival because it has very poor eyesight, so it must detect its food in the dark through smell.

The northern hairy-nosed wombat is nocturnal, living underground in networks of burrows. They avoid coming above ground during harsh weather, as their burrows maintain a constant humidity and temperature. They have been known to share burrows with up to 10 individuals, equally divided by sex. Young are usually born during the wet season, between November and April. When rain is abundant, 50-80% of the females in the population will breed, giving birth to one offspring at a time. Juveniles stay in their mothers' pouches for 8 to 9 months, and are weaned at 12 months of age.


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