keeping their bodies from drying out when they're out of the water. This fluid is known as "blood sweat" and gives the hippopotamus a brownish-pink coloring. There are two main types of hippos ...

Wildlife groups argue the U.S. Fish and Wildlife Service to put common hippos on the endangered list to protect against U.S.

Besides elephants and rhinoceroses, hippopotamuses are the largest living land animal. Though they resemble giant pigs, their ...

Reports of baby pygmy hippos in Thailand and in Richmond, Virginia, have garnered much attention for their respective zoos, attracting many visitors.