Ключевые слова: adder, aggressive, animal, beautiful, brown, closeup, colorful, danger, dangerous, deadly, detail, endangered, european, fauna, fearsome, frightening, head, herpetology, hungarian, macro, meadow, nature, poison, poisonous, portrait, protected, rakosiensis, rare, reptile, reptilian, romania, scales, scary, snake, species, threatened, toxic, transylvania, ursinii, venom, venomous, viper, vipera, viperidae, viperinae, wild, wildlife, zoology,