Add Yahoo as a preferred source to see more of our stories on Google. Do hippos swim? Get to know more about the river horse's aquatic skills. The hippopotamus, commonly called "hippo," is the ...

Add Yahoo as a preferred source to see more of our stories on Google. The word "hippopotamus" was derived from the Greek language, in which "hippos" means horse and "potamos" refers to a "river or ...

An adorable baby pygmy hippo at the Metro Richmond Zoo in Moseley, Virginia, had its first swim accompanied by its mom after the water level was lowered for the little hippo’s swim debut, footage ...

In the must-see video above, an adorable baby pygmy hippo at the Metro Richmond Zoo in Moseley, Virginia, had its first swim accompanied by its mom after the water level was lowered for the little ...