Narwhal More at Risk from Warming than Polar Bear?

Publication: National Geographic News   Date: April 29, 2008   View Article

A porpoise with a long, spiraled tusk that inspired the myth of the unicorn ranks higher than the polar bear on a new list of marine mammals most at risk due to Arctic warming.

That’s because the narwhal, also known as the corpse whale, may be slightly more sensitive to habitat changes.

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