One of my chickens, a gold laced wyandotte, started pecking two others. She has pecked bald spots onto their backs just above their tail feathers! Now one of those chickens is also pecking the other. My beautiful Americauna is really getting picked on now! I have 4 chickens total. There is no blood just bald spots, and awful squawks all day. Their coop is 8ft x 6ft and they have a 8ft x 8ft run. Please tell me what to do!