I inheritated a duck from a neighbor and so far so good until these past couple of days. when she first got into the coop (after quarentine) she got picked on a bit and lost some feathers but then she started growing them back. Now one side of her head has lost it's feathers. I have her inthe house now to give her a week or so of recoperation time. They all have access to the run and food/water. nothing has changed....I don't want to get rid of her, as she is my daughters favorite bird....any suggestions?