We have a flock of 4 4-year-olds (originally 6, but 2 died in the last year) who are still laying regularly in our backyard coop and also have 6 6-week-olds (4 hens, 1 banty hen, 1 surprise banty rooster) that will be moving out of our enclosed porch (ugh--I had forgotten how dusty and messy...