Hippopotamuses (Hippopotamus amphibius) are large, round, water-loving animals that are native to Africa. The word "hippopotamus" comes from the Greek word for "water horse" or "river horse ...

The Internet is going crazy over the pictures of the baby hippopotamus who has been adorably named as Moo Deng. Moo Deng is a baby pygmy hippo born in July; the month old hippo baby has already ...

Nine-year-old Audrey Bruben, of South River, N.J., gets a look from Genny, a 4,000 pound hippopotamus ... All of this is shown in Today in Pictures. See a big-picture photo essay.