I have two chicks who are 5.5 weeks, two who are 4.5 weeks. One of these younger chicks is a roo. I need to re-home him since I am not allowed to have roos in my city. I hope to have that happen fairly soon since the sooner I part with him, the less I will be tempted to hide him from my neighbors and the city officials I had hoped to have four pullets laying by Summer. But now I know I will only have three unless I do some adding. So, I will have three chicks. Can I add to this group: 1. One chick the same age who is looking for a new home; or 2. Two 1 week old chicks and raise them in the same brooder. The differentiating heat question comes up--the one week olds will still need the heat lamps. If I add the one that is the same age, that seems like a recipe for being picked on. The one chick that I am thinking of adding is a BO. The others that I own already are two Wyandottes and a Silver Spangled Hamburg. Or do I just hang in there and have three....maybe trying another small flock addition next year? Your thoughts? Thanks wise BYCers. You are so great!