Ключевые слова: adder, animal, basking, berus, bite, camouflage, carnivore, close up, coiled, cold blooded, common, creature, detailed, ectotherm, european, fangs, forked, hibernation, hiss, macro, nature, organism, outdoors, patterned, poisonous, predator, reptile, scales, serpent, sinuous, slither, snake, species, venomous, viper, vipera, wild, wildlife,