Suzi Eszterhas / Common brushtail opossum (Trichosurus vulpecula) infant, wrapped in a blanket being held by veterinary assistant. Rescued after it was injured when its tree was chopped down, Currumbin Wildlife Hospit...

Bruce Thomson / Common brushtail possum (Trichosurus vulpecula), golden colour form, in tree at night, Maria Island, Tasmania Australia.

Bruce Thomson / Female Brush-tailed possum (Trichosurus vulpecula) with joey in suburban back garden, Toowoomba, Queensland, Australia.

Bruce Thomson / Common brushtail possum (Trichosurus vulpecula) female carrying young while grooming in a tree at night, Toowoomba, Queensland, Australia.

Bruce Thomson / Close up shot of Common brushtail possum (Trichosurus vulpecula), female carrying young, climbing down a tree at night, Toowoomba, Queensland, Australia.

Jiri Lochman / Northern brushtail possum (Trichosurus vulpecula arnhemensis) white morph. Captive.

Jiri Lochman / Northern brushtail possum (Trichosurus vulpecula arnhemensis), at night on Barrow Island, Western Australia.

Jiri Lochman / Northern brushtail possum (Trichosurus vulpecula arnhemensis), at night on Barrow Island, Western Australia.

Jiri Lochman / Common brushtail possum (Trichosurus vulpecula fuliginosus) female carrying young, Cradle Mountain National Park, Australia.

Jiri Lochman / Common brushtail possum (Trichosurus vulpecula fuliginosus) female carrying young, Cradle Mountain National Park, Australia.

Jiri Lochman / Common brushtail possum (Trichosurus vulpecula hypoleucos) drinking, Waychinicup National Park, Western Australia.

Jiri Lochman / Common brushtail possum (Trichosurus vulpecula hypoleucos), juvenile, Dryandra Forest, Western Australia.