Home to an array of wild creatures, North America harbours some of the world’s most predatory beasts, insects and arachnids. These animals have roamed the continent for millennia and perfected their techniques for taking down prey. From the painted deserts to the coastal waterways, the dense forests to urban backyards, they creep, crawl and live alongside humans. In the countdown of North America’s twelve deadliest species, their size, strength and fearsome reputation are put to the test against each other and only one can be crowned the supreme denizen of the natural world.