This lemur weighs between . It can live up to 20 years. It is a mid-sized lemur. The striped tail makes it easy to recognize. Its behaviour is somewhat unusual for lemurs: it is active during the day, and spends much time on the ground. Ring-tailed lemurs live in groups of 12 to 15 animals. Each group is led by a female. Ring-tailed lemurs eat both meat and plants, but they mainly eat fruit. They live only in Madagascar. The main threats to ring-tailed lemurs are destroying the places where it lives and hunting.