Koalas look like they should be part of the bear family (their round ears and big black nose) but they actually relate more with other marsupials like the wombat.
A baby koala is called a joey. They develop in their mother's puch for around 6 months and when they are born they are transported around on their mothers back. During this time they will eat and sleep in their mothers womb.
Koalas eat up to one kilogram of only eucalyptus leaves in one day. Eucalyptus is poisonous to most animals but they have a special organ that helps detoxify the chemicals in the leaves. Even then, Koalas will eat less then 50 of the 700 types of eucalyptic plants and will usually go for the juciest ones at the top of the tree.
Koalas were thought to get drugged out on eucalyptus leaves because they sleep so much. But the reason they sleep for up to 18 hours a day is because the leaves are so low in nutrients that they need to conserve a lot of energy.
Alot of Koalas are loosing their habitat due to deforestation. The amount of tree cutting in Australia has left the Koalas with little or no habitats. Because of this, Koalas are looking for food on the ground. When on the ground they are vulnerable to dogs, humans, and catching disease. If you want to help save koalas or learn more, click here