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Narwhal - Wikipedia
In Inuit legend, the narwhal's tusk was created when a woman with harpoon rope tied around her waist was dragged into the ocean after the harpoon had stuck into a large narwhal. She was then transformed into a narwhal; her hair, which she was wearing in a twisted knot , became the spiralling narwhal tusk. 展开
The narwhal (Monodon monoceros) is a species of toothed whale native to the Arctic. It is the only member of the genus Monodon and one of two living representatives of the family Monodontidae. The narwhal has a … 展开
The narwhal has a thickset body with a short, blunt snout, small upcurved flippers, and convex to concave tail flukes. Adults measure in body-to-tail length from 3.0 to 5.5 m (9.8 to 18.0 ft) and weigh 800 to 1,600 kg (1,800 to 3,500 lb). Male narwhals attain 展开
Narwhals normally congregate in groups of three to eight—and sometimes up to twenty—individuals. Groups may be "nurseries" with only … 展开
The narwhal is listed as a species of least concern by the IUCN Red List. As of 2017, the global population is estimated to be 123,000 mature … 展开
The narwhal was scientifically described by Carl Linnaeus in his 1758 Systema Naturae. 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 … 展开
The narwhal is found in the Atlantic and Russian areas of the Arctic Ocean. Individuals are commonly recorded in the Canadian Arctic Archipelago, … 展开
Narwhals have coexisted alongside circumpolar peoples for millennia. Their long, distinctive tusks were often held with fascination throughout … 展开
CC-BY-SA 许可证中的维基百科文本 22 Astonishing Narwhal Facts - Fact Animal
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Narwhal | Habitat, Tusk, & Facts | Britannica
2024年10月25日 · Calves are weaned after a year or more; females reach sexual maturity at about six years and males at eight. Female narwhals experience menopause, and a significant portion of their life is spent in a post …
Unicorn of the Sea: Narwhal Facts | Stories | WWF - World Wildlife …
Narwhal, facts and photos - National Geographic
Narwhal | Behaviours - WWF Arctic
Narwhal reach sexual maturity at around eight or nine years old and approximately 350 centimeters in body length for females and more than 350 centimeters for males. A fully grown female narwhal is around 400 centimeters …
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Narwhal | Unicorn of the Sea - Whale & Dolphin …
Most females don’t have a tusk and they look a bit like mottled grey beluga whales. Narwhals have a blotchy sausage-shaped body, a rounded head with no beak, a ridge on their backs rather than a fin and short blunt flippers with …
ADW: Monodon monoceros: INFORMATION
Narwhal - WWF Arctic
Male narwhals tend to have a tusk and females do not. However, there is a lot of variability in how the tusk is displayed. Sometimes females have a small tusk and males have no tusk.
Narwhals: Mysterious unicorns of the sea - Live Science
2021年11月17日 · But the vast majority of female narwhals don't have tusks, and females tend to live longer than males. Most scientists now think the tusk provides no advantage for survival, but rather acts as a sex characteristic like …