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remainder of their diet. [ ] each year, they migrate from bays into the ocean as summer comes. in the winter, the male narwhals occasionally dive up to m ( ft) in depth, with dives lasting up to minutes. narwhals, like most toothed whales, communicate with "clicks", "whistles", and "knocks". narwhals can live
carl linnaeus in his landmark th edition of systema naturae . [ ] its name is derived from the old norse word nár, meaning "corpse", in reference to the animal's greyish, mottled pigmentation , like that of a drowned sailor [ ] and its summer-time habit of lying still at or near the surface of the sea...
https://en.wikipedia.org/wiki/Narwhal