The long, spiral tusks of narwhals could be used by these Arctic whales to stun or even kill prey, according to wildlife ...

The narwhal, often referred to as the “unicorn of the sea” in a nod to its trademark tusk, has long remained an enigma. Scientists have observed few interactions of narwhals in their natural habitat ...

Multiple behaviors were observed that indicate narwhal tusks — like Swiss Army knives — serve as multi-purpose tools. While ...

Videos show narwhals using their tusks in several ways, including prodding and flipping a fish. It’s the first reported evidence of the whales playing.