Ключевые слова: adder, animal, berus, black, blurred, bokeh, closeup, cold, common, creeping, crossed, danger, dangerous, detail, european, fear, fearsome, frightening, gray, grey, head, herpetology, macro, male, mountain, nature, pattern, poikilothermic, poison, poisonous, portrait, reptile, scales, scary, snake, toxic, venom, venomous, vertebrate, vicious, viper, vipera, viperidae, viperinae, widespread, wild, wildanimal, wildlife, zoology,