I can NOT figure out why these 4 Marans are missing tail feathers and a bunch of feathers around the top of the tail area...in what I would call a hip or tail bone area if it were a human. They ARE his favorites, I dont see mites and I do occasionally see a single white bird picking at one or another. It started with one of them a few months ago and the tail feathers havent grown back. She looks to have 2 antennea on her rear. Now the other 3 Marans are ragged on this area and losing tail feathers also. Is it the roo doing this? They dont fight him. They are all hatched early Feb if age matters. Any ideas? Any photos of what this mounting problem looks like? The girls all like him and he seems to be a good gaurdian for them. I hope to keep him. I bought that blue kote stuff this morning hoping to keep the little pecking one away.