We have twenty-one, six week old chicks (every time we would go to the ranch store my girls would find another fuzzy friend who they couldn't live without). Just finished their coop and moved them outside today. When we went out to check on them this evening they were all alternating stretching out lying on their sides with one leg kicked back. They would stretch out, then stand and repeat. We thought it was cute until we started thinking maybe there was something wrong with the new coop. So happy to find this thread! It will put my wife and daughters minds at ease, as it has mine, to know that they are just relaxing. They are probably just happy to have so much more room. Silly chickens! Thanks BYC!