Nose, the prominent structure between the eyes that serves as the entrance to the respiratory tract and contains the olfactory organ. The nose has two cavities, separated from one another by a wall of cartilage called the septum. The external openings are known as nares or nostrils..The nose is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum which separates the nostrils and divides the nasal cavity into two. On average the nose of a male is larger than that of a female..
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Beak Wikipedia
The beak, bill, or rostrum is an external anatomical structure of birds that is used for eating and for preening, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young. The terms beak and rostrum are also used to refer to a similar mouth part in some ornithischians, pterosaurs, turtles, cetaceans, dicynodonts, anuran tadpoles, sirens, pufferfishes .
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Sperm Whale Wikipedia
The sperm whale Physeter macrocephalus or cachalot k l t, k l o is the largest of the toothed whales and the largest toothed predator.It is the only living member of genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia The sperm whale is a pelagic mammal .
