I need help!! I have one hen, a barred rock that is about a year and half old, and she refuses to allow her 6 new sisters in the flock. She will chase them if they are trying to drink or eat and just acts like a bully. The 2 older Easter Eggers I have are fine with their younger sisters, who are 16 weeks. I've left the barred rock in a smaller coop by herself for over a week and when I try to introduce her back to the flock it's right back to the same thing. She has lost her pecking order with the other 2 older chickens but that doesn't seem to stop her from acting like a school yard bully. Do I just continue to keep her in solitary confinement until the peeps are a full 20 weeks? I do feel sorry for her when she's all alone but I'd feel worse if one of the younger girls died because they couldn't get any water in the summer heat. If anyone has any experience with this I would LOVE to hear how you solved it!!