northern koalas

Is Koala A Mammal? Classification. Koalas are a type of mammal called marsupials, which give birth to underdeveloped young. They are so different from any other marsupial, however, that they have been classified into their own family, called Phascolarctidae. Is a koala a mammal or reptile? Despite being called ‘koala bears’ for many years, koalas