Ключевые слова: animal, arizona, california, camouflage, camouflaged, cryptic, dangerous, deadly, fauna, mitchells rattlesnake, nevada, nocturnal, pit viper, predator, rattler, rattlesnake, rock rattlesnake, sonora, southwestern speckled rattlesnake, speckled rattlesnake, united states, usa, utah, venom, venomous, viper, white rattlesnake, wildlife,