I was wondering how young can my 8 3 week old contournix chicks be to introduce to my 8 older birds. They have been outside in a separate area of my hutch for a week so they can see smell and hear each other But not get too each other. The hutch is 3 by 8 with 4 compartments. Can I introduce them to each other now since there is plenty of places for them to hide from each other. There is alLao lots of water and food spaces.