Well, I went to a swap today to "look" and came home with four new chicks (easter egger, cochin, silver dorking, and cuckoo marans). They are so cute and sleeping soundly in their brooder box right now. Am looking for any advice on how/when to introduce them to my other birds who are between the ages of 8 and 10 weeks old. They are living outside and loving life right now. That flock consists of a couple of leghorns, orpingtons, wyandottes and a buff brahma. We are beginning to suspect one of the orpingtons as being a cockerel, but we are not sure yet. Anyway, I'm looking for any advice on when I should bring the babies outside (we have a small a frame coop, with run underneath, to keep them in for as long as we need to) and how to slowly incorporate them into my flock. My youngest chick, the cochin, is only 2 weeks and the other three are four weeks. Being July in NH, days are nice and warm (80's-90's) and nights vary, but can still dip down to the high 50's-60's. I'm thinking a 60 watt bulb in the top part of the catawba coop will be alright? What do you think?