1350-1809 - Adult Isla Catalina rattleless rattlesnake (Crotalus catalinensis) in its brown color variation, Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-5653 - Ashy morph of the Santa Catalina rattlesnake (Crotalus catalinensis), endemic to Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-5655 - Brown morph of the Santa Catalina rattlesnake (Crotalus catalinensis), endemic to Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-5654 - Ashy morph of the Santa Catalina rattlesnake (Crotalus catalinensis), endemic to Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-3175 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-3174 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-3173 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-2934 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-2165 - Adult Isla Catalina rattleless rattlesnake (Crotalus catalinensis) in its brown color variation, Isla Santa Catalina, Baja California Sur, Mexico, North America
979-5566 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5567 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5563 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5564 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5568 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5561 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5565 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5559 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5560 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5562 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico