For the last few weeks the girls and the guys have been displaying breeding behavior (head bobbing, waving etc.). Today when I cleaned cages, I moved on of the males from on top of the girl’s enclosure to the floor next to another male (he was by a window and with the extremely cold weather we getting I though this was a smart thing to do). I have put a piece of cardboard between he males so they can't see each other. Here is the problem, I looked up from reading and one of the girls that the other one by the back of the neck and tiring to do breed the other female. These girls have been together for about two years now. Yes, they are both female (have laid eggs). So I worry about this behavior and separate them or just let them be?