Ключевые слова: animal, autumn, background, biology, black, camouflaged, closeup, danger, dangerous, eastern, ecology, environment, fall, fauna, forest, grass, green, ground, head, herpetology, hiking, leaf, leaf litter, litter, natrix, natrix natrix, natural, nature, one, outdoor, outdoors, park, pattern, poisonous, red, reptile, reptiles, road, rock, scale, scales, serpent, sleek, slither, snake, threatened, venomous, white, wild, wildlife,