Ключевые слова: adult, animal, avian, beak, biology, bird, birdie, birdlife, birds, birdwatching, bush, castanea sativa, chestnut, common, conservation, cute, europe, european, fly, iberia, insect, insectivore, little, natural, nature, ornithology, passerine, perched, petronia, petronia petronia, plant, rock, rock sparrow, singing, sitting, small, songbird, spain, sparrow, springtime, sweet, tree, vertebrate, watching, western, wild, wild watching, wildlife, yellowthroated,