she was showing receptive coloring untill he was on top of her, then she went to her neutral and then dark colors. he usually ticks his head for a minute then charges her, he grabs her tail and back and side to the point that its obvious that its hurting her and she has bit him. they are in different cages next to each other for about 3 days, then tryd putting him in her cage and its still the same. his cage is 3'x3'x6' and hers is 24"x24"x36" .