They can if you are giving them too much calcium The one good thing about seeing them is you know that the are getting enough calcium. Males get calcium deposits too. I have a male that has small ones now. I just start cutting the feeder dusting back on the ones that start to develop them.
Thanks! I don't have the time to read all of those right now, but I read the first couple of pages of the first one. VERY interesting discussion. Thank you so much for the links!