They are mammals. They are also marsupials. Most female masupials carry their tiny babies in a pouch where they drink their mother's milk. They are a type of possum. There are lots of different gliders. Some are so small they would fit in your hand. Others are about the same size as a cat. Gliders have a special flap of skin connected to their wrists and ankles. When their legs are spread, this skin acts like wings so they can glide from tree to tree. They are nocturnal animals. They rest during the day but are busy at night looking for food. They eat the sweet nectar in flowers. Some also eat the sugary sap that's just under the bark of certain trees. They live in groups and recognise members of their group by their group smell. Trees provide food and shelter for gliders.