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Blowhole (anatomy) The single blowhole of a bottlenose dolphin just before going under again. The V-shaped double blowhole of a gray whale. In cetology, the study of whales and other cetaceans, a blowhole is the hole (or spiracle) at the top of the head through which the animal breathes air. In baleen whales, these are in pairs.
The northern bottlenose whale (Hyperoodon ampullatus) is a species of beaked whale in the ziphiid family, being one of two members of the genus Hyperoodon. The northern bottlenose whale was hunted heavily by Norway and Britain in the 19th and early 20th centuries. It is one of the deepest-diving mammals known, reaching depths of 2,339 m (7,674 ...
A Bottlenose Whale pictured above a Sperm Whale. Hyperoodon (or Hyperoödon) [3] is a genus of beaked whale, containing just two species: the Northern and Southern bottlenose whales. [4] While not in the genus Hyperoodon, Longman's beaked whales are alternatively called tropical bottlenose whales due to their physical features resembling those ...
Description. Common bottlenose dolphins have a grey coloring, a short beak, a single blowhole, and a hooked dorsal fin. [13] The bottlenose is between 2 and 4 m (6.6 and 13.1 ft) long, and weigh between 150 and 650 kg (330 and 1,430 lb). [14] Males are generally larger and heavier than females.
The bottlenose dolphin is a toothed whale in the genus Tursiops.They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins. [3] Molecular studies show the genus contains three species: the common bottlenose dolphin (Tursiops truncatus), the Indo-Pacific bottlenose dolphin (Tursiops aduncus), and Tamanend's bottlenose dolphin (Tursiops erebennus).
The southern bottlenose whale (Hyperoodon planifrons) is a species of whale, in the Ziphiid family, one of two members of the genus Hyperoodon. Seldom observed, the southern bottlenose whale is resident in Antarctic waters. The species was first described by English zoologist William Henry Flower in 1882, based on a water-worn skull from Lewis ...
The melon is structurally part of the nasal apparatus and comprises most of the mass tissue between the blowhole and the tip of the snout. The function of the melon is not completely understood, but scientists believe it is a bioacoustic component, providing a means of focusing sounds used in echolocation and creating a similarity between characteristics of its tissue and the surrounding water ...
The tropical bottlenose whale (Indopacetus pacificus), also known as the Indo-Pacific beaked whale or Longman's beaked whale, was considered to be the world's rarest cetacean until recently, but the spade-toothed whale now holds that position. As of 2010, the species is now known from nearly a dozen strandings and over 65 sightings. [3]