So this is what we have! The top bit is a penis. He IS peeing from it. The middle bit has shrunk and the hole has closed up. It was very red and irritated but that appears to be subsiding. I'm thinking it was a bite. The bottom bit is an anus and there's a little poo coming out it in the picture. Their formula was increased and their bellies are much more full and rounded. He definitely a feisty little one. In other news, they have lice. I'm treating with DE but welcome any suggestions for getting rid of the little bastards.