3 weeks ago I grafted 4 chicks to my head hen who went broody. She has been an excellent mother to the chicks and they LOVE her. I have one other full grown hen. My backyard set up is an Eglu Cube with an enclosed 9 X 18 ft run. I had set up a dog carrier as a brooder for the chicks that was in the same run. Since day 1 the chicks have been exploring and playing in the run with their protective "Mama" who has kept their "Aunt" at bay. Tonight instead of going back to the brooder to sleep, my head hen moved the three week old chicks into the Eglu Cube. I'm worried. I didn't think she would take them to the coop until they were much older. Anyone have any experience with this?