So something broke into my duck house and my chicken coop yesterday. i lost 4 hens, 1 duck, and 1 rooster. everything it killed was under 4 months. i want to know what it was. somehow it squeezed through the gap under the door which is 1"-2" tops. it killed 1 duck and battered the other 2 ducks, and killed the 4 chickens and the rooster. but it broke their necks and chewed on the necks, but it did not touch the rest of the body. one of my hens is actually missing part of her scalp, she lived, but a chunk of her head is gone. please help me figure out what it was to better protect my hens?