Ключевые слова: amphibian, animal, art, beautiful, big, biology, black, bog, bright, brown, colorful, comparison, contrast, creative, creature, depiction, design, detail, difference, drawing, environment, eyes, frog, graphic, grass, green, habitat, illustration, imagery, life, marsh, modern, natural, nature, outdoors, pond, representation, science, silhouette, skin, small, speckled, swamp, water, wet, wild, wildlife, wildness, zoology,