In thinking about it - on the first chicken killed the skull was completely gone (young, small hen). On the roo that was killed today it looks like something wasn't actually eat the bones of the skull....?
I am relatively new to raising chickens. I have lost two chickens over the last week to a predator that seems to bite the necks or something and then eat the heads.
I haven't put wire tops on my runs yet and they are open on top. I found the first hen in the middle of the run with just it's...