Ключевые слова: 2000, amphibian, amphibious, animal, black, conservation, creature, deciduous, ecology, environment, family, fauna, fire, forest, germany, habitat, hasbruch, hill, limburg, mountains, natura, natural, nature, netherlands, neurotoxic, newt, orange, pattern, poison, poisonous, rare, real, river, salamander, salamandra, sign, species, spots, spotted, stream, threatened, toxic, tree, vertebrate, warning, wet, wild, wildlife, yellow, zuid,