The silkies are bigger but not by a whole lot. I have adjoining pens for them that share one side of chicken wire. Should I keep them separated? Should I put them together when they're the same size, so if they fight a little, they can be fairly matched? They're all straight run, so I don't know if roos in the mix makes a difference at this point or not as far as being aggressive goes. The As squawk at each other a good bit already, but they're still in the brooder. Going out this week. Thoughts?