Those who know the greater glider have a vivid way of describing it: like a flying possum crossed with a koala. About the size of a garden-variety possum, but with a looped tail up to 60 centimetres long and membranes that extend from its ankle, it is Australia's largest gliding possum. Greater gliders are docile animals. They typically spend their lives within an area of three to four hectares, about the size of a couple of football fields. They are very territorial. Greater gliders are often seen in the forests of Murramarang National Park.