They are dry, not slimy as most people believe.
Snakes sleep with their eyes open and hear with their tongues.
Some lay eggs while some give live birth. Because their bodies cannot regulate temperature, they avoid direct sun and cold weather. They are beneficial in keeping the rodent population under control. Rattlesnakes do not necessarily give warning with their rattles before striking. An average western diamondback rattlesnake is 3.5 feet in length.