Narwhal's surfacing in the High Arctic

Photo by http://en.wikipedia.org/wiki/User:Black_Stripe

URL: http://en.wikipedia.org/wiki/Image:Narwhal%27s_surfacing_in_the_High_Arctic.jpg

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The narwhal, or narwhale (Monodon monoceros), is a medium-sized toothed whale that possesses a large "tusk" from a protruding canine tooth. It lives year-round in the Arctic waters around Greenland, Canada, and Russia.