Quote Originally Posted by RichsBallPythons View Post
If its just flesh color spots its from nutrition problems. If its scabbing up, could be from excessive itching due to food and or fighting.
One had that bloody/scabby thing on its neck and the others have pinkish bald spots on their backs and necks with what appear to be either small punctures or scratches, whether from nails or teeth, I can't tell.

I've had pet mice and know that as cute as they are, they can be barbaric to one another...and what sex they are doesn't seem to matter much.