Ключевые слова: amphibia, amphibian, amphibians, animal, bright, bufo, calamita, dunes, environment, epidalea, epidalea calamita, eye, eyes, fauna, frog, gray, green, grey, habitat, heath, heathland, natterjack, natterjack toad, natural, nature, netherlands, pondlife, ponds, summer, toad, water, wild, wildlife, yellow,