Ключевые слова: adder, animal, assault, attack, background, black, closeup, coldblooded, color, crawling, creature, dangerous, day, defense, descending, down, grass snake, green, head, herpetology, hunting, isolated, life, macro, medicine, natrix, nature, ophidian, outdoors, pattern, pills, poison, poisonous, reptile, reptilian, scale, serpent, skin, sliding, slither, slithering, snake, snakeskin, suspended, tongue, viper, white, wild, wildlife, yellow,