I have 1 hen in with 1 other hen and 1 rooster. She is evil. She has just about ripped all the roo's tail feather's out. And started on the other hen. During the day I take her out and put her with the 2 hens I have in the goat pen. My older hen tolerates nothing from her. Puts her in her place. But the other takes it from her. I was going to keep her in there but she goes through or over the fence at dark back to her coop. We have 2 other coops but the older girls let her do this to them too. The younger hens coop only one puts her in her place. I don't know how to stop her. My poor rooster looks terrible. At 1st I thought it was mites or lice. But only him and the other hen are losing their feathers. I have watched her do this. Is there any hope to stopping her? If not she will be dinner. Here she is.