I was just posting some pics of the boys on another thread when it occured to me how prominent Lucas' nipples are. He doesn't seem to have very much fur at the bottom of his tummy and his nipples are really prominent. Riley has a furrier tummy and you can't see his. Is it something I should be worried about?
Here's a pic to show what I mean, the pink bits near his back legs are his nipples which are clearly visible through his thin fur...