Chimpanzees feed and sleep in trees.
Chimpanzees have no tails.
Chimpanzees usually walk using all fours .They can walk upright too, if they need to.
Chimpanzees use many gestures and expression to indicate needs and emotions. For example a chimp will ask for food by extending its hand. A worried chimp puckers its face, while a frightened one will show its teeth.