Last night, we finally let Pumpkin, a buff bantam/cochin pullet, and Raven, a black bantam/EE pullet, sleep in the coop with the rest of the flock! They did really well I think; it was pretty warm last night, so they were kept warm. And in the morning, they were walking around with the rest of the small flock(which is 2 BO pullets and a Cochin rooster). They are ready to be on their own then, I guess. They get along well with the two BO pullets, but once and a while the rooster gets rough. But not too rough. No more brooder box! We will see how they do without being inside the house now.