An arboreal Australian marsupial (Phascolarctos cinereus) that has dense grayish fur, large ears, and sharp claws and feeds chiefly on the leaves of eucalyptus trees.
A tailless furry marsupial (Phascolarctos cinereus), found in Australia. The female carries her young on the back of her neck. Called also Australian bear, koala bear, native bear, and native sloth. The koala lives almost all of its life in trees, moves sluggishly like a sloth, and eats eucalyptus leaves almost exclusively.