Interesting fact: Did you know that this animal is the most dangerous animal in Africa.
The most dangerous large land animal in Africa is the hippopotamus. Despite their primarily vegetarian diet, the world's third-largest land mammal is extremely aggressive and territorial.
http://www.telegraph.co.uk/science/2016/03/15/which-animal-kills-the-most-humans/
This is a picture I took of a cage hippo in a zoo. Surprisingly it looked very calm. :)