Ключевые слова: algae, america, american, amphibian, animal, animals, anura, aquatic, autumn, background, batrachology, beautiful, biodiversity, biology, bullfrog, catesbeiana, catesbeianus, close, close up, closeup, colorful, conservation, creature, critter, detail, ecology, ecosystem, environment, environmental, eye, eyes, face, fall, frog legs, gravel, green, herpetology, lake, lithobates, macro, marsh, maryland, moist, native, nature, north, north america, north america map, outdoor, pond, profile, rana, ranidae, resting, riparian, sitting, skin, slimy, spring, stream bed, streambed, summer, swamp, texture, urban, urban wildlife, wetland, wetlands, wild, wild animal, wild animals, wildlife, zone, zoology,