This morning was a tragic disaster. I had 17 ameruacana chickens and this morning when I went to feed them I found our coop with a 2'x2' gaping hole in it, with the door hanging wide open (which had been jammed shut, that I would pull out to open). 14 of my chickens were missing and I found 3 corpses. By the size of the hole, my husband thinks that it was a mountain lion. He hadn't gotten the run built yet because he ran out of time because of work so the hen house was all we had. The frame was built with 2X4's and the walls were plywood. I seriously didn't think that a creature would break through the wall to get in. I was flabbergasted! Now, I live in the mountains and possible predators living in our environment could include anywhere from a fox to a black bear. I saw 2 mountain lions about 10 months ago about a mile and a half from our house. This animal had a feast of 14 chickens killing 3 others and leaving them. It had a large appetite. Sigh. Does anyone have any good coop ideas to help us have a strong and solid coop to protect my future chickens from large predators? I'm so upset.