Fuzzies? So sometimes when my doves both want in the nest but one won't move over, instead of just sharing, one will wedge their head under the other one's chest and slloooowlly lever them out of the nest. Subtly. As if the other one won't notice until they at a 45 degree angle and need to do something about it. Other times one will just sit on top of the other and absorb them with their feathers until there's just a face peeking out from fluff.
I don’t really have behavior commentary on this, except that birbs are such a gift.