We have noticed a few of our chickens have been losing feathers. One of our chickens has been pecking at them but we are unsure if it is this chicken pulling the feathers, cuz she has always been so sweet, or we also believe we have 2 males in our flock which we r not supposed to have so if they r males they r going back but can the males be doing the feather picking? It just makes no sense. If someone can help we would love it. Thank you in advance.