koalas spend a lot of time eating.

koalas spend a lot of time eating. they eat only the leaves of eucalyptus trees. however,they cannot eat all eucalyptus leaves. the leaves of some trees are poisonous, and some have an unpleasant taste. koalas' large,sensitive noses help them pick the best leaves give the koala all the water they need. in fact, the name koala, which comes from one of the languages of the aborigines, means no drink.