My husband went to put the chickens back in the coop for the evening tonight and couldn't find our two chicks that were hatched 8 weeks ago. We finally found a bunch of feathers and what looks like vertebrae from one of them. Eventually, the other one came out of hiding and is safe and sound in the coop. All we found was a few soft body feathers and a couple pieces of bone. What could have done this? It was in broad daylight and I was home, but I wasn't watching close enough, I guess. I saw a seagull flying around afterwards, which is unusual, since we live in Colorado. Thanks in advance.