Buzz·Posted on Aug 26, 2008NarwhalsDubbed "the unicorn of the sea," the narwhal -- a type of whale with a long, spiral tusk -- is kind of magical.by Eliot GlazerBuzzFeed StaffLinkFacebookPinterestTwitterMail While they're not necessarily as cute as manatees or (duh!) dolphins, the fascinating, lesser-known creatures are, believe it or not, more at risk from global warming than polar bears.