DOWN UNDER KNOWLEDGE TEST.

I have an Aboriginal name that means "no drink". My young are born after only 5 weeks as blind and hairless 25cm embryo, I eat mostly eucalyptus leaves, I feed my young milk for up to 1 year. After 6 months my young also eat my faeces or droppings to strengthen their abdominal bacteria. I'm covered in soft fur, look like a kids teddy bear, bark like a dog, firstly carry my young in a pouch, later on I carry them on my back, have large retractable claws, sleep most of the day wedged in the fork of a tree, I'm sometimes called a bear but I'm not………….
what am I?

Answer