“Double tusked narwhals are extremely uncommon,” he told IFLScience. “Both male and female narwhals possess two maxillary ...

“Very occasionally we see a rare case where the right tusk will also emerge and you’ll have quite a freakish-looking double-tusker, but it’s a very uncommon occurrence.” Close up showing the leftward ...

First of all, the “horn” is actually called a tusk – which makes me wonder whether or not a unicorn would have a horn or a ...

Where do they go? How many are there? What's with the tusk? Narwhals (in the Arctic Ocean) have inspired myth and wonder but are still little known to science. Flip Nicklin / Minden Pictures Even ...

Now an international team of researchers has discovered that a narwhal's tusk can provide valuable insight into the changing conditions in the Arctic. "Like a tree trunk, there's rings that grow ...