Yeah, it was definitely the bigger of the females... the other two females and even the male had blood on their ears. I'm sure she is a female too... she is the only one of the original three that I still have since the others weren't doing well. She hasn't caused any problems since then, so I'm assuming it had something to do with the move. She is one of my more social mice, or at least, the only one that will willing come up into my hand.

However, her name is Nip I couldn't come up with anything else, and it seemed appropriate, if a bit gruesome