Amazing superpower: Hippos are big, solid animals that grow to be between 2,000 and 4,000 pounds, but they can still outrun ...

Throughout the night, great potoos emit a loud, moaning growl that has earned the bird a mythical status, with some communities believing the sounds to be children calling for lost parents.

That’s why the most venomous frogs and snakes are vividly colored. We’ve looked at the gorgeous colors of many animals and ...