This BSL is about a year old and acting totally normal. I noticed yesterday that she is missing some feathers on the right side of her neck. The skin is not inflamed or red and most of the feathers have been completely pulled. I believe she is at the top of the pecking order. Do you think this is pecking damage or something else? Nightly, she and another hen battle out position on the roost, but I've never seen the other hen peck at her.