Ключевые слова: amphibian, animal, aquatic, creature, croaking, drawing, ecology, element, environment, eye, feet, flat, forest, frog, froggy, fun, graphic, hop, icon, illustration, joy, jump, jumping, lake, nature, object, pet, pond, reptile, sign, sitting, slimy, small, sticky, swamp, symbol, tadpole, toad, tropical, water, webbed, wild, wildlife, zoo, zoology,