Group Of Hippopotamus - The Hippopotamus (Hippopotamus Amphibius) Is Recognizable For Its Barrel-shaped Torso, Enormous Mouth And Teeth, Hairless Body, Stubby Legs And Tremendous Size. Hippos Have Been Clocked At 48 Km/h While Running Short Distances. The Hippopotamus Is Regarded To Be Africa's Most Dangerous Animal, And Is Among The Most Aggressive Animals In The World. (South Africa) Photo