The Sahara sand vipers live in the Sahara Desert. They can be 1.6 feet long. They are also uniquely sand colored. Their head is shaped like a triangle, which means they are poisonous. They like to bury themselves in the sand Because they live in the hot desert. They do this to keep themselves cool. They also hunt by using this. They wiggle their tail so prey thinks its food. When the prey comes close to it, it strikes. The Sahara sand viper is vicious. Its venom will not kill humans, but it will doom its prey. They sidewinder that means that it jumps to move. It moves at the j-shaped tracks in the sand.