About 3 weeks ago one of my chickens was attacked by a hawk. She darn near got her head ripped off. I took her to the vet and he stapled her neck shut. She has been living in my basement for the past 3 weeks while she healed. She seems like she is doing well and is laying eggs every day. I want to put her back out with the other chickens but every time I try the attack her viciously. I even tried bringing one chicken inside to hang out with her with the same results. What can I do to get the other chickens to leave her alone?