Hi all. I am Kat Dawson. I am from Magnolia Texas. I am a diagnostic medical sonographer, working at a local hospital. I started this chicken flock in 2013 with a kit coop from Tractor Supply Store and mail order chicks in a dog create in my sewing room. My husband set the posts for my yard and house around my kit coop and we stretched the wire together. Together we hung the ceiling joists and I attached the roofing slats before he screwed on the metal roof. I finished it out while he was out of town. I built a coop in the corner of the fence and moved those birds into a real chicken house soon enough. The kit coop has come to be known as the guest house. Since that time I have built two chicken coops, a tractor, added a duck house that is being used as a rabbit barn, built some rabbit cage stands and a hutch and turned my dog run into a duck and rooster run with miniature pigs. How is that for chicken math? I have added my moms rooster and two hens to a large enclosure and chickens started popping up dead. I think her rooster is killing my chickens. All alpha female chickens. There are three roosters in there getting on fine. But no bird goes in the coop during the day when the new roo remains there. The victims have meatless, bloody cervical spine and scull with displaced beak attached to a fully feathered body, found up against a wall or fence as if cornered. Two were found in the house and one in the yard. has to be killed from inside for from a predator that came over the fence. Not sure if it was day or night. The pop door is automatic. No parts missing except the meat and feathers from the head and neck. Feathers every where. Found a fourth dead bird but it was hidden and somewhat processed so no clues remain. The business started within a few days of introducing the new birds at night. What predator leaves this type of carcass? Roosters?