What?! Narwhals tusk is actually a tooth that has the hard parts on the inside


The unicorns of the sea, as DNews calls them, have tusks that grow like huge spears on their heads. Those tusks are not tusks, they are actually teeth that have their harder part on the inside and the softer part on the outside.

You won’t see narwhals fighting with the tusks, for sure. For now, the closest animal to a unicorn on land is, of course, the rhino. 😀

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