Do marsupials have a belly button?

To be perfectly honest, I haven't specifically researched this answer - but I am still pretty sure I can say the answer is 'no'. read more

UCL researcher Stacy Hackner explains that all placental mammals, aka those that were nourished before birth in the mother’s uterus, start with a belly button. However, most of these mammals (and certain humans) have their navels obscured by fur, fade over time, or have a thin scar or small bump instead. read more

Best Answer: Marsupial embryos are not nourished by an umbilical cord - thus, no umbilical scar or"belly button." From the reference: Pregnant females develop a kind of yolk sac in their wombs, which delivers nutrients to the embryo. read more