Ключевые слова: animal, animals, biology, close, closeup, coldblooded, colubrid, colubridae, common, creature, danger, detail, european, eye, fauna, grass, grasssnake, head, herpetology, hunting, macro, natrix, natrix natrix, nature, nontoxic, pattern, portrait, predator, protected, reptile, reptilia, reptilian, scale, serpent, skin, slither, snake, species, spring, tongue, vertebrate, water, wetlands, white, wild, wildlife, yellow, young, zoology,