Intriguing video of narwhals using their tusks to mess with fish has scientists speculating about what this behavior might ...

They captured footage of narwhals using their tusks to mess with fish, and even saw a narwhal repeatedly strike a fish with its tusk. But narwhal experts don't agree on what these observations mean.

Scientists discover narwhals putting their long tusks to surprising new use - Researchers spot complex interactions involving narwhals, fish, and birds ...

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 ...