Summary ¹

The narwhal, or narwhale (Monodon monoceros), is a medium-sized toothed whale that lives year-round in the Arctic. One of two living species of whale in the Monodontidae family, along with the beluga whale, narwhal males are distinguished by a long, straight, helical tusk, actually an elongated upper left canine. Found primarily in Canadian Arctic and Greenlandic waters, rarely south of 65°N latitude, the narwhal is a uniquely specialized Arctic predator. In the winter, it feeds on...

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1. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Monodon_monoceros

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