They live and sleep in eucalyptus trees. They sleep up to 19 hours a day and can live to be more than 20 years old. Koalas eat the leaves from the eucalyptus trees. They eat about 2.5 pounds of food each day. Koalas weigh between 15 and 30 pounds.
Koalas have both sharp teeth and claws.
Their fur is white on the underside and grey everywhere else. Koalas breed in the summer and they produce about one young per year. When the cubs are born they are about 2 centimeters long and they are blind. The cubs stay in their mother's pouch for about 5 months. There are between 2,000 and 8,000 koalas in the wild.