Ключевые слова: april, bird, bird lake, bird life, bird migration, bird watching, birds, countryside, crane, cranes, culture, europe, field, lake, lake hornborga, landscape, meadow, migration, nature, nordic, ornithology, rural, scandinavia, scandinavian, spring, springtime, sweden, swedish, tourism, travel, vastergotland, vstergtland, wildlife, zoology,