What is the toughest animal in the world?

The tardigrade (Hypsibius dujardini), also known as the water bear, is considered the toughest animal in the world. These micro-animals can survive in environments that would kill almost any other creature. read more

In June, we cast our critical eye at America in search of the toughest animals you least want to encounter in the wild. But the world spoke up and we listened. There are other countries beyond America, and even tougher animals abroad. read more

Of course, African elephants are the largest animals on Earth. But considering the strength to weight ratio, many small animals are much stronger than large animals. Here, the list of 10 strongest animals in the world based on strength to weight ratios. read more

That the wolverine is, pound-for-pound, the toughest animal in America, if not the world. And, to be fair, these little guys (actually the largest land-dwelling weasels) are ferocious. Despite weighing just 20 to 50 pounds, wolverines have been known to go after deer and even caribou if they're hungry enough. read more