Ключевые слова: animal, animals, aragon, avian, biodiversity, biosphere, bird, bird watch, bird watching, birding, birds, call, calling, color, colors, colour, colours, common crane, common cranes, crane, cranes, eurasian crane, eurasian cranes, fauna, gallocanta lagoon, grass, grassland, grasslands, grus grus, life, meadow, meadows, natural, natural reserve, nature, ornithology, plain, plains, spain, species, vertebrate, vertebrates, wild, wildlife, zoology,