The hippopotamus is the third-largest type of land mammal and the heaviest extantartiodactyl. To see such an amazing act when a Hippo save a GNU from a hungry crocodile is incredible. Check out these pictures.
A small gnu was swimming through the water, bait for the nearby crocodiles.
He was injured and in need of help, so a kindhearted hippo swam to his aid.
The hippos chased off the crocodiles.