The sound of a rattlesnake's rattle is very scary. In South America, it means a snake with far more venom than a northern rattler is nearby. The South American rattlesnake is great at hiding and catching small animals. Its rattle warns people to stay away. Learn all about this crafty predator in South America's Deadly Rattlesnake. One of six titles in the series Lethal Strikers: Latin America's Deadliest Snakes, this book is filled with valuable info and photos of this deadly rattler.