The hippopotamus (Hippopotamus amphibius; / ˌhɪpəˈpɒtəməs /; pl.: hippopotamuses), often shortened to hippo (pl.: hippos), further qualified as the common hippopotamus, Nile hippopotamus and river …

Nov 30, 2025 · hippopotamus, (Hippopotamus amphibius), amphibious African ungulate mammal. Often considered to be the second largest land animal (after the elephant), the hippopotamus is …

Hippopotamuses are large mammals found in sub-Saharan Africa. Their name comes from the Greek word for “river horse” because they're often found in water, which helps them stay cool in the hot,...

Watch a hippo, on land or in the water, and you’ll soon discover that this roly-poly is one of the world’s great characters. It is the most rotund land mammal and spends its daytime hours in lakes, pools, …

The hippopotamus, often simply called a hippo, is a fascinating creature—a large, semi‑aquatic mammal native to Africa. More than just a bulky figure lounging in rivers, the hippo plays a vital role in its …

Mar 19, 2025 · Hippos are the second biggest animal on land. These water-loving creatures spend most of their time wallowing in mud but can be aggressive and dangerous if they feel their territory is being …

Jun 4, 2025 · Hippos - Africa's massive semi-aquatic mammals. Discover their habitat, behavior, diet, and why they're one of the world's most dangerous animals.

Hippo facts for kids. Learn all about where hippos live, what they eat, how they have adapted and more here at National Geographic Kids

What is a hippo? There are two species of hippos — the large/common hippo and the smaller relative, the pygmy hippo. Hippos are the third-largest living land mammal, after elephants and white rhinos.

The hippopotamus is the second largest mammal on earth. Learn more about the hippo’s habitat, diet, strength, threats, and other interesting facts.