We've all heard about hungry, hungry hippos, but what about sleepy, sleepy hippos? A guest at Cincinnati Zoo was checking out the hippos when they caught a trio of them taking an afternoon snooze ...

Being semi-aquatic, hippos are built for life in the water. Their ears, eyes, and nostrils are located on top of their heads, allowing them to see, hear, and breathe while remaining mostly underwater.

Hippos spend a lot of time in the water, but they can only stay submerged for around 5 minutes at a time ...

Leave it to a gigantic hippo to scare off three lions as they swim for their lives to escape the territorial beast.

hippos are built for life in the water. Their ears, eyes, and nostrils are located on top of their heads, allowing them to see, hear, and breathe while remaining mostly underwater. Since their ...