our 12 day old chicks spent all day Friday outside in the run. we brought them inside that night. Saturday we let them out all day, they that night we caught them and put them in the coop. put the heat lamp in and let them spend the night. this morning we found them sleeping on the roost, just like big chicks. well they spent all day under the coop and in the run. when we went out to catch them and put them in the coop, they were already there. I guess we got us some smart little chicks. our babies are almost all grown up. kinda miss them little fuzzy butts. oh yes, we found our extra chicks a good home too. well happy chicky day.