Narwhals Don't Really Have Horns

It's unclear as to why narwhals have a giant, protruding tooth. Some suggest it's a sensory organ that helps with navigation and hunting. This tusk of the male narwhal can grow as long as 2.6 meters (8.5 feet).

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Key Facts In This Video

  1. Narwhal means "corpse whale." 00:16

  2. The Narwhal's signature "horn" is actually a tooth. 01:31

  3. Climate change is one of the biggest threats to the Narwhal's existence. 02:57

Written By Curiosity Staff October 12, 2014