For several weeks now, my Orpington cross has weaned her babies and joined the rest of the flock on the roosts. She's been laying again for 3 weeks now and I get an egg almost every day. Most of the chicks have also Started roosting. They are about 12 weeks old. She still hangs out with them during the day. Tonight I went outside to lock the coop up and I checked the nest boxes and the mama hen had all five of her babies in there with her and she was trying to sit on them. Most of These "babies" are bigger than her now. Why would she do this? We have been having problems with a raccoon the last couple of days of that has anything to do with it.