Add Yahoo as a preferred source to see more of our stories on Google. Hippo underwater, hippopotamus in water through glass© Lena Ivanova/Shutterstock.com The post Inside the World of the Hippopotamus ...

The hippopotamus is one of the most recognizable animals on the planet. With their tiny ears, enormous heads, and stocky bodies, they look unlike any other mammal on Earth. Native to sub-Saharan ...