Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

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 tusk, should one actually exist out there. But that’s a topic for another day ...

With their long, spiral tusks, narwhals are like the unicorns of the sea. The iconic tusk is actually a tooth and is mostly seen in males. It can grow up to 10 feet long and is believed to play a role ...