Ключевые слова: adventure, animal, arizona, beautiful, beauty, black tailed rattlesnake, blacktail, caution, close up, closeup, crotalus molossus, danger, dangerous, desert, detail, ecology, environment, eye, fangs, herper, herpetology, herping, hike, hiking, nature, patterns, pit viper, poisonous, rattlesnake, reptile, scales, snake, tongue, travel, vacation, venom, venomous, viper, wild, wildlife,