Belly Button Question

Yes dragon’s have bellybuttons, formed from where they were attached to their mother prior to birth. It is in their midline crease and not as easily seen as in humans. Dragons of NewEarth are mammals, their females breastfeed, from the chest. Nipples? They are under the breast plate on either side of the midline of their bodies. Yes their breasts expand when making milk for youngsters and as you would expect, flying in later pregnancy is impossible.