As per: http://en.wikipedia.org/wiki/Northern_hairy-nosed_wombat
The northern hairy-nosed wombat (Lasiorhinus krefftii), is one of three species of wombats. It is one of the rarest large 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-km2 Epping 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 2010 there was found to be an estimated population of 163 individuals, and in recent years the species seems to be following the trend of a slow but steady increase….. for further reading click on link above..