The 5 Best Automatic Chicken Doors. Whether chickens are housed in an urban backyard or on the family farmstead, their coop has to be opened up every morning and closed again at the end of the day. Rather than scheduling your life around doing the job manually, try using one of these automatic doors while you either catch a few more Zs, attend to other chores, or enjoy a bit of free time for a pleasant change. When users buy our independently chosen editorial selections, we may earn commissions to help fund the Review Parks.