The Common Ringtail Possum is the size of a small cat and mainly grey with white fur on the tip of its lengthy prehensile tail, behind its eyes and on its belly. It has orange-brown tinges on its tail and limbs. It can be coloured grey to dark grey and have red or orange tinged legs and belly. The underneath of its often coiled tail is naked but furry on top.
A female possum is called a “Jill,” a male one is called a “Jack,” while young ones are called “Joeys”. A group of these creatures is called a passel.