Ключевые слова: amphibian, amphibious, animal, beautiful, boomkikker, branch, climb, climbing, close, close up, closeup, color, common, conservation, cute, detail, endangered, environment, europe, european, fingers, forest, frog, green, heat up, hyla arborea, jump, leaf, leaves, little, looking, macro, natural, nature, rana arborea, rest, resting, sitting, small, sun, temperature, tree frog, vertebrate, warmth, wild, wildlife,