Family Macropodidae is a group of marsupial mammals commonly known as kangaroos, wallabies, and wallaroos. This family includes over 60 species, ranging in size from the tiny musky rat-kangaroo to the giant red kangaroo. Synonyms for the Family Macropodidae include the Macropod family, the kangaroo family, and the hopper family. These synonyms all refer to the unique characteristics of this family, such as their powerful hind legs and their ability to hop long distances. The Macropodidae family is primarily found in Australia and its surrounding islands, where they play important ecological roles as herbivores and seed dispersers.