Ключевые слова: adder, animal, beautiful, biology, brown, color, colorful, danger, dangerous, deadly, endangered, europe, european, fauna, female, ground, head, herpetology, hungarian, lethal, meadow, nature, photography, poison, poisonous, predator, protected, rakosiensis, rare, reptile, reptilian, romania, scales, scary, serpent, snake, species, toxic, ursinii, venom, venomous, viper, vipera, wild, wildlife, zoology,