The dead one was 3, the all-but-dead one was 2. Different flocks, but the rest of them live fairly harmoniously. They've been integrated for nearly a year.
I had an interesting discovery yesterday, something I've never seen in my seven years of chicken raising. I walked out of the coop into the pasture yesterday morning. Found one hen dead, with no visible injuries. Another lying three feet away, barely able to walk, with blood on top of her head...