The Western diamondback rattlesnake (Crotalus atrox) is a heavy bodied snake with a triangular shaped head. There are two dark diagonal lines on each side of its face running from the eyes to its jaws. It has dark diamond-shaped patterns along is back. The tail has black and white bands just above the rattles. This species ranges throughout the southwestern United States (Arizona, California, New Mexico, Oklahoma and Texas)and northern half of Mexico. TWO Options are available: 6.5 foot long snake, and a 10 foot long snake! Yes, they come with rattles in their tails!!