I have 8 Ameraucanas 4 roo's and 4 hens, they are just about twelve weeks. All but 1 roo is off to freezer camp once they get a little bigger. I have one roo that is mean and sneeks up on all the others (hens and roos) and plucks feathers from them. Two of my hens are missing almost all their tail feathers. I havnt seen (Dexter the before mentiioned mean roo) actually pull tail feathers. He seems to like pulling side feathers. Could the lack of tail feathers be from molting? Either way, will they grow back?