This predator took the head. No feathers around, no blood. I have a chain link run with hardware cloth up half way. Welded wire securely on top. Gaps are minimal....maybe 2 inches at the gate. I've always left the chicken door open because I thought my run was so secure. Predator took the head of a broody laying on the coop floor. No other birds roosting were taken. And it did NOT come back for the rest of the bird. I cannot see any digging under, no wire pulled back, or hair caught in fence. Didn't see any tracks either. I'm thinking it had to be small enough to fit through the chain link or 2 inch gap around the gate. What would do this?? Of course I have shut chicken door since the incident but what could've fit thru a tiny space like that??