HIPPOPOTAMUSThe third largest land mammal, hippopotamuses, or hippos for short, are semi aquatic herbivorous creatures that can be found in southern Africa. Feared for their size and aggression, hippos are extremely dangerous, especially when defending their territories or calves. History: Due to their massive size and unbridled hostility towards other creatures, adult hippos are one of the few mammals that have no known, consistent predators. Hippos have been