The term 'PENGUIN's Cousin' is referring to the AUK, a seabird that is closely related to the PENGUIN. The AUK is a member of the Alcidae family, which includes puffins, guillemots, murres, and other species of seabirds. They are found in the Northern Hemisphere, mainly in the Arctic and North Atlantic regions. They have short wings and use their feet to propel themselves through the water. They feed on fish, crustaceans, and mollusks.