So i have 7 rhode island red chickens, 1 Easter egger, and 1 rooster. My neighbor is getting rid of her chickens so I took 2, don't know the breeed, who are about the same age as ours, however, when I put them in my enclosure all my hens were attacking the new comers. I have since removed the 2 new ones as I don't want them to get hurt. Any suggestions on how to make them get along? Or should I just return the two?