Ключевые слова: animal, arizona, boulder, close, crawling, danger, dangerous, deadly, desert, endangered, flower, flowers, garden, herpetological, herpetology, hiss, hissing, lethal, nature, pit, pit viper, poison, poisonous, predator, rattle, rattlesnake, reptile, rock, rose, rosey, rosy, scales, serpent, snake, snakeskin, sonoran desert, sound, southwest, southwestern, speckled, speckled rattlesnake, striped, stripes, undulate, undulating, venom, venomous, viper, wildlife, zoology,