The Kangaroos make part of the marsupial family. The marsupials are mammals.  The word marsupial comes from the Latin word “marsupium” which means pouch. The female marsupial has a pouch. They give birth but to an undeveloped fetus that is called a Joey. When the fetus is born it crawls from the vagina to the pouch. The pouch protects and helps the fetus to continue developing; it is a fold of skin with one opening over the nipples. The female marsupial has two vaginas and males usually have two penis. It exist over three hundred species of marsupials and over two hundred are native to Australia. Most marsupials are known to be slow creatures, only kangaroos can reach a speed of fifty kilometers per hour. The marsupiala is divided in two main groups the Australian marsupials and the American marsupials. In each group there are a lot of small arboreal species. Those from Australia are called possums and those from America opossums. Some of the different groups of order and family are the Didelphiadae family of the order Didelphimorphia has 93 species and are opossums, the Peramelidae family, the Chaeropodidae family, the Thylacomyidae family of the order Paramelemorphia has 24 species. The Diprotodontia order has 137 species and divided in different families as the Vombatidae known as wombats, Phascolarctidae known as Koala, Potoridae known as rat kangaroo, potoroos and bettongs, the Acrobatidae known as feathertail gilder, Macropodidae known as wallabies and kangaroos.

Animals