Ключевые слова: adder, animal, animal in the wild, animal kingdom, biosphere, biotopes, close up, closeup, dangerous, ecosystem, elapid, environment, europe, fauna, habitat, hazardous, natural, nature, nosehorned viper, outdoor, outdoors, poisonous, predator, reptile, scaled reptiles, scenery, scenic, scenics, snake, species, viper, vipera ammodytes, wild animal, wildlife,