The mountain pygmy-possum (Burramys parvus) was thought to be extinct, but was discovered as a living animal in 1966. Restricted to the high country of Victoria and New South Wales, it is the only alpine dependent mammal in Australia and the only marsupial that hibernates.
Weighing in at around 45g, mountain pygmy-possums are about the size of a small rat or large mouse. They like cool, moist, rocky areas that provide shelter, protection from predators and abundant nesting sites. They hibernate best when the temperature in their nest is 2