Koala n. : A tailless marsupial (Phascolarctos cinereus), found in Australia. The female carries her young on the back of her neck. Called also Australian bear, native bear, and native sloth.

Example:
What kind of dog food should I feed a Koala bear?

Taxonomy
Koala, the koala, species, 03-09, koala population, Australian Koala Foundation, P. cinereus, fur, joey, eucalypt, Phascolarctos cinereus, tree, Suborder, Australia, populations, conservation status, pouch, island.

Defination from the web:
Koala (Phascolarctos cinereus) is a thickset arboreal marsupial herbivore native to Australia, and the only extant representative of the family Phascolarctidae. The koala is found in coastal regions of eastern and southern Australia, from near Adelaide to the southern part of Cape York ...