Common hippos, commonly known as river hippos, are the third largest land mammals after elephants.
They reach 10.8–16.5 feet (3.3–5 metres) length and 5.2–1.6 m height at the shoulder.
Males weigh 3,500 to 9,920 lbs., while females average 3,000 lbs (1,600 to 4,500 kg).
Sub-Saharan hippos are common. To keep their skin cool and moist, they live near water.
National Geographic reports that hippos spend up to 16 hours a day in the water (opens in new tab).
Hippopotamus are loud. Snorts, grumbles, and wheezes are 115 decibels.
Hippos attack and are harmful. They combat dangers, including humans, with their huge fangs and tusks.