I have 8 hens a little over a year old. About a month ago, one of the RIR's (#1 in pecking order) started mounting the Australorp (#2 in pecking order). At first, it didn't seem too frequently and was over in a few seconds, then they both fluff and shake their feathers and go on with their business. Now, it seems to happen more frequently and we have noticed some bald spots on top of the Australorps head, near her comb, where the RIR grabs her with its beak. So far, no blood but the loss of feathers bothers me. Any one have experience with this or have any ideas on breaking the behavior?