Most people think of koalas as fuzzy, gentle little creatures. We have them as stuffed animals, use koala pictures as decorations and accessories, and love watching videos of the cute marsupials.

Clinging to a teddy bear that dwarfs her, Tim Tam takes in her surrounds with shiny-eyed wonder and awe from the safety of her crib. The five-month-old joey, along with mum Tam Tam, will soon check ...