Female Kangaroos Have Three Vaginas: The Remarkable Reproductive System Behind the Joey At first glance, a kangaroo appears to be one of Australia's most familiar animals a powerful jumper, a symbol of the Australian outback and a devoted mother carrying her young in a pouch. But hidden inside the female kangaroo is a reproductive system so unusual that it sounds almost unbelievable. Female kangaroos and other members of the kangaroo family have two lateral vaginal passages and a median vagina , alongside two separate uteri. The arrangement is closely connected to how these marsupials reproduce and give birth. Scientific studies of macropodid marsupials, the family that includes kangaroos and wallabies, have documented this distinctive anatomy. So, is the viral claim that female kangaroos have "three vaginas" true? Broadly, yes but the popular explanation needs some clarification. Three vaginal passages, but not simply "two for sex and one for birth...