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

1 america animal age animal group animalia animal animals adult adult animal adult animals americas animal theme animal themes baja california sur catalina island catalina central america color color image color images colour image colour colour images crotalinae crotalines crotalus calalinensis days day differential focus endemic focus on background fob focussed focus fully grown gulf of california sea of cortez habitats habitat horizontal horizontals isla catalina landscape mexico mature natural phenomena natural phenomenon natural world natural worlds nature no one no people no person no body no one nobody one animal one outdoors outside pit viper pit vipers pitviper pitvipers poisonous rattle snake rattle snakes rattle snake rattle snakes rattlesnake rattlesnakes reptile reptiles santa catalina island santa catalina rattlesnake santa catalina rattlesnakes selective focus snake usa venonous s056