Issued as part of the ongoing Bicentennial celebration, the 13Â¢ State Flags pane was a first in U.S. history. This was the first time a pane with 50 face-different stamps was issued.
NON-VENOMOUS. NON-VENOMOUS. Description: A greenish-brown snake with a diamond-like pattern on its back and dark bars on the sides of its body. The belly scales are yellow with dark markings on the sides. Males are smaller and thinner than females and they have small bumps on their chin.
Western Diamondback Rattlesnake (Crotalus atrox) Species Code: CRAT. Description: Rattlesnakes are species of poisonous snakes generally called pit vipers. The Western Diamondback can exceed seven feet in length, and is the king of our twenty odd species of Southwestern desert rattlers.