Most people know that hippos are large, live in water, wallow in mud and eat a whole lot. But apart from those things, is there anything particularly interesting about these whopping African mammals?

As it turns out, yes. We’ve gathered some of the most intriguing nuggets of information about the humble hippopotamus, so you can really impress your friends with some top notch animal knowledge next time one of them suggests a game of ‘Hungry Hungry Hippos’. You’re welcome.