Utah, Idaho, Nevada, and Oregon
Arid to semi-arid, rocky areas up to 7,000 feet
Rattlesnakes are often heard before they are seen. When alarmed they may make a sound resembling a sudden burst of steam, but when only slightly disturbed may merely click the rattle. Coloration varies greatly, but similar to gopher snakes. Great Basin is Utah\\\\\\\'s most common rattler. Venom is of lower toxicity than many other rattlers. Some don't rattle. Lifespan is 10 - 20 years depending on size and species.
Mild-tempered compared to other rattlesnakes
Viviparous(live-bearing); 6-12 young born
Be Rattlesnake Aware! Download this .pdf: Rattlesnake Awareness Brochure