The long, spiral tusks of narwhals could be used by these Arctic whales to stun or even kill prey ... On the other hand, most of a narwhal's life is spent deep beneath the Arctic ice, where they feed ...

Early illustration of two narwhals, or sea unicorns by E Cuvier. One has been depicted with two tusks. Narwhals, Monodon monoceros, are toothed whales that live mostly in Arctic coastal waters and ...

Protruding up to 10 feet from the whale’s head, the spiral of ivory has earned these creatures the nickname “unicorn of the sea.” But what exactly narwhals do with these tusks is still being studied, ...

The long, spiral tusks of narwhals could be used by these Arctic whales to stun or even kill ... On the other hand, most of a narwhal's life is spent deep beneath the Arctic ice, where they ...