I have 9 hens. Three are 4yo and 6 are not quite a year. There are 2 Rhode Island Reds, 3 Americaunas, 2 buff Orpingtons, and 2 silver-laced Wyandottes. My first 6 chickens lived in a home-built, moveable coop from plans I found on the internet. Every winter I moved them into the garage. What a...