Few animals look as calm and harmless as a hippo lounging in the water, but appearances can be deceiving. Dangerously so, in ...

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, ...

Some of the most dangerous creatures on Earth don’t snarl, stalk, or look threatening. Many appear gentle, slow, or even ...