Amazing Facts about Hippopotamus

• In Ancient Greek Hippopotamus means "River Horse".
• Hippos can run faster than humans.
• A Hippopotamus is considered as the most dangerous animal , In Africa it is known to kill more people annually than lions and tiger.
• When hippos are upset, their sweat turns red.
• A group of hippos in known as a ‘herd’.
• A male hippopotamus is called a ‘bull’and a female hippopotamus is called a ‘cow’.
• Hippos give birth in water.
• A baby hippo is called a ‘calf’.
• Hippos existed over 55 million years ago.
• The closest relatives of the hippopotamus are surprisingly Cetaceans.