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(CNN) — Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, ...

Newly published drone footage sheds light into narwhal behavior and provides the first-ever evidence of the animals engaging in play, according to a new study. Screengrab from Florida Atlantic ...

Walruses use their tusks like grappling hooks, to haul themselves out of the water and onto the ice, and as weapons against polar bears and in sexual contests — but not, as commonly believed, to ...

Footage captured by aerial drones as part of a narwhal research camp in Tremblay Sound, Nunavut, is giving biologists new insights into the behaviour of one of the world’s most mysterious whales.

We'll hear next about Arctic waters and a creature sometimes called the unicorn of the sea. It's the narwhal, a whale with a long, straight tusk, which was sometimes sold as a unicorn horn to gullible ...

Humans have long been fascinated with narwhal tusks. During the Middle Ages, the long, spiraled teeth — mistaken for unicorn horns — were the prized possessions of European royalty. And in the 19th ...

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