Thanks for your help. I will leave the babies with their mothers, it's good to know you can't swap them around. The main coop is predator proof - except for the cats which are showing a very (un)healthy interest in the chicks! I'll leave them all as they are.
Thanks too for letting me know about...
Hi
I have had 4 Golden Laced Wyandotts - 3 hens and a rooster - for a year.
Recently 2 hens went broody and I thought I'd leave them to it. One hen laid 4 eggs, 1 chick hatched. The second laid just one and it has hatched too. Talk about an anxious time trying to decide if the remaining 3 eggs...