Marsupial Mammals Marsupials are the group of mammals commonly thought of as pouched mammals (like the wallaby and kangaroo at left). They give live birth, but they do not have long gestation times like placental mammals. read more
Marsupials are mammals that give birth to underdeveloped embryos, which then climb from the birth canal into a pouch on the front of the mother's body. Once inside, the infant, sometimes called a joey, feeds and continues to grow by attaching itself to a nipple. read more
Marsupials in many cases have 40 to 50 teeth, significantly more than placental mammals. The upper jaw has a high number of incisors, up to ten, and they have more molars than premolars. The second set of teeth grows in only at the 3rd premolar: all remaining teeth are already created as permanent teeth. read more