Even though pygmy hippos spend most of their day wallowing in mud or in water, they emerge at night and venture onto land to feed. Their choice diet consists mainly of shrubs, ferns, broad-leaved ...

Did you know the word "hippopotamus" comes from the ancient Greek for "river horse"? But don't let that fool you; this big, lumbering mammal is anything but a horse. In fact, it's one of the most ...