ko·a·la 
(kō-älə)
(kō-älə)n.
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.
[Probably from misreading of earlier coola, koolah, from Dharuk gula, gulawany.]
koalaPhascolarctos cinereus