Great Basin Rattlesnake

Crotalus oreganus lutosus

Native Range Western United States
Category Snakes
Great Basin Rattlesnake

About the Great Basin Rattlesnake

The Great Basin Rattlesnake is a venomous pit viper native to the western United States. It is characterized by its distinctive rattle, which it uses as a warning signal when threatened.

Habitat

Found in a variety of habitats including grasslands, shrublands, forests, and rocky areas throughout the Great Basin region.

Diet

Primarily feeds on small mammals, birds, and lizards. Uses heat-sensing pits to locate prey.

Interesting Facts

  • They add a new rattle segment each time they shed their skin
  • Native to Idaho and commonly encountered in the region
  • They prefer to avoid confrontation and will rattle as a warning
  • Important predators that help control rodent populations

Why This Animal Matters

Great Basin Rattlesnakes help control populations of rodents and other small animals. Learning about native venomous snakes promotes safety and respect for local wildlife.

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