Thanks for the advice! Both girls have grown a lot of feathers since I've had them separated for about two months now! Bertha (the mean one) has a ton of feathers, and it's very obvious now that she is part silkie. She is still just as mean as ever though. She shares a coop with the rooster, Goliath. She has to stay separated when I let them all out to free range because I think she is even meaner now than she was before. Percy still has some bare areas on her butt, but it has definitely filled in a lot since she moved into the coop with the young hens. Now if only I could get Bertha to get along with everyone else!
Bertha
Percy's butt
Bertha & Percy visiting from opposite sides of the fence