What is the range of rattlesnakes?

Rattlesnakes are native to the Americas. They can be found from Southwestern Canada in North America to the Central Argentina in South America. They can be found in almost every type of habitat that can be found in these areas. The habitats include Prairies, Marshes, Deserts and Forests. They prefer open rocky areas where they can hide from large predators and identify plentiful prey like rodents, lizards etc that live amidst the rocks.