Ключевые слова: adult, animal, beak, behaviour, biology, bird, birdwatching, bracken, call, calling, common whitethroat, conservation, countryside, courtship, environment, europe, fauna, fern, green, heathland, male, migratory bird, morning, natural, nature, ornithology, outdoors, pembrokeshire, perched, pteridium, sing, singing, small, song, song birds, songbird, spring, sylvia, sylvia communis, verdant, wales, warbler, whitethroat, wild, wildlife, zoology,