Came home today and somthing had killed all of my chickens and I dont know what it was that had done this! My kids sit in the yard and pet them all the time and they are so heart broken. All of them were attacked from behind and were bitten on the butt and backs of their legs no head injuries and there are feathers everywhere. My backyard has a 6 ft tall wood privacy fence and cant figure out how anything got in there unless it climbed it! Any ideas on what it may be? I suspect a fox?