Ключевые слова: animal, aves, avifauna, beautiful, beauty, bird, birder, birdwatching, birwatching, blue, common, creature, danube, danube delta, delta, fauna, feather, flight, heron, leucorodia, migratory, natural, nature, neck, platalea, plumage, polder, river, sky, spatula, specie, species, spoonbill, summer, wader, wetland, white, wild, wildlife,