Hi All I have 6 hens. 2 Silver Wyandottes and 4 Buff Orpingtons. All are about 7 months old. They all seem healthy. Except one is acting really strange. She fluffs up the feathers on her neck and the rest of her body as well. Then she puts out her wings about half way and points them at the ground. Then she drops her head and charges at a group of the other hens and runs around. The others are usually just hangin out. Not provoking her and I have seen her actually try and get under the other hens. Then they peck at her because she is a nuisance. Any ideas about what she is doing?