While I was out of town, my husband was caring for our chickens. He found my BO, Tweety, dead under the coop. It appears she had a broken neck. We figure she got scared by something and flew up into the floor of the coop. My husband thinks it was our dog, but they are used to my dog, so I think it was something else. She was a sweet, easy natured 10 month old Orpington. I thought it was funny that she had the flop over comb. At least she didn't suffer.