Grand canyon rattlesnake is a poisonous pit viper subspecies of snake, endemic to the state of Arizona in the United States. The snake is mainly diurnal, but can be active at night under favorable conditions. Kingdom Animalia Phylum Chordata Subphylum Vertebrata Class Reptilia Order Squamata Suborder Serpentes Family Viperidae Subfamily Crotalinae Genus Crotalus Species Crotalus oreganus Scientific Name Crotalus oreganus abyssus The Southwest is full of rattlesnakes, and many of us fear them for their venomous bite. Many Grand Canyon visitors ask about their presence amongst hikers. Believe it or not, the Grand Canyon National Park has never had a death due to rattlesnake bike. There has been one death linked to a rattlesnake, due to heart attack from fear of the event. Stories and lore have echoed through the canyon walls of “snake events”. These stories include one of a woman on a Colorado River rafting trip who was thrown out of the raft into the raging river in the midst of a heav
