Ключевые слова: amphibian, back, background, biology, breeding, brown, bufo, climbing, closeup, common, copulation, couple, cute, dark, ecology, environment, european, female, forest, frog, frogs, grass, green, happiness, hugging, leaves, love, male, mating, mating season, nature, night, outdoor, outdoors, pair, portrait, rana temporaria, ranidae, reproduction, season, sexual, spring, summer, toad, together, togetherness, two, wet, wild, wildlife,