Narwhals are known as “unicorns of the sea” for their long spiral tusks — actually teeth — which lend them a mythical appearance. But a group of these otherworldly marine mammals were recently given a decidedly earthly role: Arctic scientists.

Narwhals are known as “unicorns of the sea” for their long spiral tusks — actually teeth — which lend them a mythical appearance. But a group of these otherworldly marine mammals…

If you're out of your element, sometimes it's best to get a local to show you around.