Ключевые слова: adult, animal, attack, biology, black, closeup, creature, danger, day, dry, european, eye, field, gray, ground, head, herpetology, hunting, macro, natricinae, natrix, natural, nature, outdoors, predator, rattlesnake, reptile, reptilia, ringed snake, scale, serpent, skin, snake, spiral, summer, venom, vertebrate, viper, wild, wildlife, yellow, young, zoology,