Nocturnal to avoid predators
Move very slowly to help being seen by predators
Sleep curled up so predators cannot see them
Usually have grey-brown fur to match tree tones
Three neck bones that allow 270 degree rotation of their head
Thick dense coats to keep them dry
Long sharp claws to cling onto branches, sharp teeth to defend
Slow metabolism, less food, no need to compete, they poo every 8 days which saves them energy