I have a cuckoo maran hen who has feathers on her legs, but lately I noticed them bleeding and when i looked at it it turned out she was missing one or two feathers on her legs. I thought it was an accident and so i cleaned her up, but the next day she was missing almost all of the feathers on her legs and they are bleeding where the feathers are missing and i don't know what to do. she is one of my 4 hens along with 2 barred rocks and an americana. we also have a rooster named Carl who is a speckled sussex he is nice to all of his girls and me and i have never seen him hurt any of them. I don't know who is pecking of her feathers or if it is her herself, and i don't know what to do to help her. Any advice?