Ключевые слова: adder, aggression, animal, baby, beauty, biology, brown, colored, danger, endangered, eye, fang, herpetology, isolated, multi, nature, organism, pattern, poisonous, rattlesnake, reptile, scale, skin, snake, snakeskin, species, spiral, striped, studio, substance, tongue, toxic, viper, white, wild, wildlife, zoology,