You do not want to get on a hippopotamus’s bad side — it could be the last thing you do! These huge mammals can become vicious if provoked, and even though they haven’t been trained in martial arts, ...

Lions are often called the “king of the jungle” for good reason. These impressive predators are incredibly powerful. A male lion can stand up to 4 feet tall at the shoulder, have a 10-foot-long body, ...