Hip Hip Hippos

In ancient Greek, hippopotamus means horse of the river but the hippo is not a relative of the horse! So what is a hippo? It is a large, semi-aquatic mammal in Africa and is most closely related to whales and dolphins (I kid you not!) of all the animals in the modern animal world.

Hippopotamus Swimming On The Surface Posters by thekingchivas
Find other Hippo Posters at zazzle.com

While the hippos in these images may look calm and even possibly a little lazy, they are very aggressive animals and are often regarded as one of the most dangerous animals in Africa. Now I wouldn't have expected that!