Just like a tree trunk, the tusk of the narwhal acquires a new growth ring every year. Analyses of those rings have now revealed some interesting facts about the animals' diet, and about changes in ...

It’s got a single tooth – one that shoots straight out of its head. But this tooth isn’t used for chomping and chewing. It's more like a spear. And much like the creature itself, it's a thing of ...

An icon in the shape of a lightning bolt. Impact Link The magnificent narwhal — a beast that has inspired monarchs and intrigued scientists — has quite the reputation. The spotted whales, found mostly ...

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The creatures are sensitive to noises from shipping and oil exploration. Olivia Rosane is a freelance writer who focuses on environmental issues. Her work has appeared in EcoWatch, YES!, and Real Life ...

This is OCEAN THUNDERDOME! We pit two marine mammals, the Southern Elephant Seal and the Narwhal, against each other in an epic battle for marine sampling supremacy. These two creatures are some of ...