Red Diamond Rattlesnake
ORDER: SQUAMATA | FAMILY: VIPERIDAE
The Red Diamond Rattlesnake occurs from southern Los Angeles and San Bernardino counties to Cabo San Lucas, Baja California Sur. Within the Atlas region, this species occurs in western Riverside, Orange, San Diego counties and southwestern Imperial County in the United States and throughout the Baja California peninsula in Mexico. It is also found on Islas Cedros and Santa Margarita in the Pacific Ocean and Islas Ángel de La Guarda, Danzante, Monserrate, Pond, San José, and San Marcos in the Gulf of California.