To cut it in the animal kingdom, you have to be tough—really tough. From withstanding brutal climates to fending off ferocious predators, surviving in the wild is no small feat. But a few cunning creatures have developed interesting traits and habits to stay in the game. Here are 40 of the most genetically gifted, physically freakish, and just all-around coolest animals in the world. BY
The 40 Most Extreme Animals on the Planet
