Okay, this is a much better issue that all of the back things I was thining and feeling. Thank goodness! Thank you all of you for your quick responses and advice. I really appreciate it.
I have only 3 chickens. I work full time so don't have a lot of time to watch behavior but over the weekend I did get to spend some time. One of the three is staying in the coop. When I approach she puffs up her feathers and makes noise. I've taken her out and tried to check for mites but don't...