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.
"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.
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.