What is neck nuzzling?

Neck nuzzling is a form of affectionate behavior often seen in animals, particularly among social species like cats and dogs, as well as in some human interactions. It involves gently rubbing or pressing the face or nose against another's neck, which can signify comfort, bonding, and trust. This behavior can also serve to mark territory or establish social connections within a group. In humans, neck nuzzling can be an intimate gesture, expressing love and affection.