The more space there is to spread out the better. Providing some things to hide behind also helps. And make sure everyone goes in at night - Littles may feel intimidated about entering the coop at twilight.
I think mixing a lot of babies in it one time can be really helpful, as it seems to confuse the adult birds, they're not sure who they are chasing because the babies all run around squawking and flapping when one of them gets chased.
I think mixing a lot of babies in it one time can be really helpful, as it seems to confuse the adult birds, they're not sure who they are chasing because the babies all run around squawking and flapping when one of them gets chased.