General: beak
The beak is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, probing for food, courtship and feeding young. The term beak is also used to refer to a similar mouthpart in some Ornithischian dinosaurs, monotremes, cephalopods, cetaceans, pufferfishes, turtles, Anuran tadpoles and sirens.
