Hippo

Hero saves 2-year-old swallowed by the hippo by throwing stones at the beast to get it to release the boy.

A baby hippo has delighted visitors to Copenhagen zoo for breaking out and causing havoc.

"Bibi and the baby, yet to be named, will spend the next two weeks bonding behind the scenes," zoo officials said.

The footage was shared on social media by 'Zookeeper Guy', better known as Brian from Copenhagen Zoo in the Danish capital Copenhagen.

"One of the most dangerous animals on the planet and they have an enclosure that is as effective as a child's playpen," said one commenter.

Nile crocodiles, common in the iSimangaliso wildlife park, are the most deadly of all crocodilians, accounting for hundreds of human deaths every year.

"What better way to kick off summer than a good old fashioned hippo watermelon smash?!" the San Antonio Zoo captioned the now-viral video.

There hasn't been extensive research, but people who have spent time around hippos have a definitive answer about their "personalities."

"Screaming, adoring fans make her very happy," Christina Gorsuch, the curator of mammals at the Cincinnati Zoo & Botanical Garden, told Newsweek.

Hippos are some of the world's deadliest animals, killing hundreds of humans a year.

A study on mice shows inhibiting a certain signaling pathway may allow the organ to simply mend itself.

Bertha the hippo had been living at the Manila Zoo in the Philippines since 1959.

At least 12 people have been killed; authorities search for lions, tigers and bears.

The animals have been multiplying quickly since they escaped from the drug lord's private zoo in 1993

Olivia, born in an international breeding program, is affectionately called "a little Michelin Man" by zoologists