Sharks, alligators, bears, snakes, mountain lions - find out how widespread America's most feared animals really are.

A recent archaeological discovery has shed light on an enemy of gladiators. These enemies in question are fierce leopards, possibly hunted in Africa and brought to Europe for the entertainment of the ...

When it comes to pure, raw power in the natural world, the debate over which creature is the strongest animal is a heated one. Some animals have long been considered the fiercest, the largest, or the ...

From a flying fox to a polar bear, these 12 fierce mothers prove they’ll do anything to protect and provide for their families. 0:00 - Intro to Top 12 Fierce Animal Mothers 0:32 - Devoted Flying Fox ...