At the moment, all 13 are in one coop/run. Once I stopped taking her out to feed separately, they quit going after her. I just got a couple of big dog bowls and filled them about 2/3 with warm mash. I know more about dog behaviors than chicken behaviors...my last flock was only 3 hens and they always got along, never had any issues with them!Can you add like two more birds that way they will leave her alone that of you will need to cull her poor girl
Shadow has a very "road Runner" look going as she's keeping her tail up and wings back, I assume to cover the base of her tail where the feathers were ripped out. She's always very aware of where Peaches, my Golden Buff (production Red I think) is. Peaches is definitely top of the pecking order and lets Shadow know it every chance she gets, but in general, as long as I don't show Shadow much attention first, they leave her alone. So hard when Shadow is the only one that wants to be picked up and held!
Shadow and Penguin are definitely friends though.