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  2. Narwhal - Wikipedia

    en.wikipedia.org/wiki/Narwhal

    The narwhal was scientifically described by Carl Linnaeus in his 1758 publication Systema Naturae. [5] The word "narwhal" comes from the Old Norse nárhval, meaning 'corpse-whale', which possibly refers to the animal's grey, mottled skin and its habit of remaining motionless when at the water's surface, a behaviour known as "logging" that usually happens in the summer.

  3. Monodontidae - Wikipedia

    en.wikipedia.org/wiki/Monodontidae

    Belugas can be found in the far north of the Atlantic and Pacific Oceans; the distribution of narwhals is restricted to the Arctic and Atlantic Oceans. Monodontids have a wide-ranging carnivorous diet, feeding on fish, molluscs, and small crustaceans. They have reduced teeth, with the beluga having numerous simple teeth, and the narwhal having ...

  4. Whale - Wikipedia

    en.wikipedia.org/wiki/Whale

    A single specimen can reportedly fetch up to US$100,000 (£64,160) on the market. The beluga's popularity is due to its unique colour and its facial expressions. The latter is possible because while most cetacean "smiles" are fixed, the extra movement afforded by the beluga's unfused cervical vertebrae allows a greater range of apparent expression.

  5. Narluga - Wikipedia

    en.wikipedia.org/wiki/Narluga

    In particular, the characteristic narwhal 'horn' is anatomically a tooth; the unidentified specimen lacked a single narwhal tusk, but its teeth were spiraled, like the tusk of a narwhal. [5] [3] The specimen had 18 teeth, an intermediate number when compared to the beluga (40 teeth) and the narwhal (one tooth). However, not all characters fell ...

  6. Toothed whale - Wikipedia

    en.wikipedia.org/wiki/Toothed_whale

    The narwhal, with its blunt snout and reduced dentition, relies on suction feeding. [66] Sperm whales usually dive between 300 and 800 metres (980 and 2,620 ft), and sometimes 1 to 2 kilometres (3,300 to 6,600 ft), in search of food. [60]: 79 Such dives can last more than an hour.

  7. Cetacea - Wikipedia

    en.wikipedia.org/wiki/Cetacea

    Key characteristics are their fully ... Even the long tusk of the narwhal is a vice-formed tooth. ... Echolocation clicks also contain characteristic details unique ...

  8. Artiodactyl - Wikipedia

    en.wikipedia.org/wiki/Artiodactyl

    Family Monodontidae: Arctic whales; narwhal and beluga (two species) Family Phocoenidae: porpoises (six species) Superfamily Physeteroidea: sperm whales. Family Kogiidae: lesser sperm whales (two species) Family Physeteridae: sperm whale (one species) Superfamily Platanistoidea: river dolphins. Family Iniidae: South American river dolphins (two ...

  9. Portal:Cetaceans - Wikipedia

    en.wikipedia.org/wiki/Portal:Cetaceans

    The skull shares many characteristics with other sperm whales, and is comparable in size to that of the dwarf sperm whale. Like the modern Kogia, it probably hunted squid in the twilight zone, and frequented continental slopes. The environment it inhabited was likely a calm, nearshore area with a combination sandy and hard-rock seafloor.