Ключевые слова: adder, animal, basking, beautiful, berus, closeup, colorful, common, crossed, danger, dangerous, deadly, detail, endangered, eurasian, european, fauna, fearsome, forest, frightening, full length, ground, herp, herpetology, natural, nature, outdoor, poikilothermic, poison, poisonous, predator, reptile, reptilian, scales, scary, snake, species, toxic, venom, venomous, viper, vipera, viperidae, viperinae, widespread, wild, wildanimal, wildlife, woods,