Watch this unsettling video of an aggressive hippo with incredible speed chasing after a boat full of nervous tourists!

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

Grizzly and polar bears are considered the most dangerous ... have also been known to threaten humans. Hippos have often been labelled as aggressive animals, with the number of human deaths ...

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

There was good reason to be concerned. Hippos are one of the most dangerous animals in Africa and have a reputation for being highly aggressive and territorial. So how on earth were we going to ...