A koala or a koala bear is an Australian animal which looks like a small bear with grey fur and lives in trees.
koala in British English
or koala bear (kəʊˈɑːlə)
noun
a slow-moving Australian arboreal marsupial, Phascolarctus cinereus, having dense greyish fur and feeding on eucalyptus leaves and bark
Also called (Austral): native bear
Word origin
from a native Australian language
koala in American English
(koʊˈɑlə)
noun
an Australian, tailless, tree-dwelling animal that is the only species (Phascolarctos cinereus) of a family (Phascolarticidae) of marsupials with thick, gray fur, sharp claws, and large, tufted ears: it resembles a small bear and feeds exclusively on eucalyptus leaves and buds