If you hear a loud, rattling noise coming from a snake, watch out! You may be standing near one of America's most venomous snakes. The diamondback rattler makes a buzzing noise by rattling its tail. The sound warns predators to back off or face a venomous attack. Some kinds of diamondbacks are the heaviest venomous snakes in the Americas, and their bites can be truly life-threatening to humans—often causing severe pain and tissue destruction, even if the victim survives. Packed with fascinating facts and large, colorful photos, Diamondback America's Most Venomous Snakes! introduces young readers to the natural habitat, physical characteristics, diet, and behavior of this amazing serpent.