If you have two and only two chickens, of course they'll complain if you separate them. Chickens are flock creatures and it makes them very upset and anxious to be solitary.
What you're calling snuggling sounds a lot like what a chick does with its hen to stay warm. Are your birds fully feathered out? Are they old enough to be without supplemental heat where you live?
What you're calling snuggling sounds a lot like what a chick does with its hen to stay warm. Are your birds fully feathered out? Are they old enough to be without supplemental heat where you live?