You may think that reptiles (and birds), being non-placental mammals of course, would actually have no belly button to speak of. This isn't exactly true! read more
In most reptiles the scale-covered skin closes over the umbilical scar so they don’t have a visible scar or belly button, but funnily enough one of the identifying features of tanned alligator (as opposed to any other crocodylian) skin used by the leather industry is the retention of an umbilical scar. read more
No. Reptiles hatch from eggs, so they don't have belly buttons. A belly button is actually a scar left behind from when you were attached to your mother in the womb. Only mammals have belly buttons. read more
*** Nancy over at Not Quite Old asked why tortoises have a belly button at all. It was such a good question that I thought I’d answer it for those who are new to reptiles. Animals that develop in an egg are fed during their incubation by their yolk. They are attached to that yolk by an umbilical cord. read more