Jump into the ring to see which creatures earn their stripes in head-to-head matchups. Who will be crowned the next champion? Wolverines and weasels battle it out for nastiest reputation. Chameleons and cuttlefish vie for the most colorful crown. Scorpions and jellyfish make their case as the venom victor. But wait till you get the 360-degree lowdown on these awesome animals before you pick your winner--you might be surprised by who comes out on top! Stats, fun facts, photos, and in-depth profiles about each creature contender will help you size them up in more than a dozen mighty matchups.

Includes index.