Ключевые слова: april, bird, bird box, bird house, bird park, bird protection, birds, blooming, blossom, blossoms, dekohaus, dekohuschen, flourish, forsythia, garden, harmony, inflorescence, natural reserve, nature, nest, nesting aid, nesting box, ornithology, park, shrub, shrubbery, sky, spring, tree, tree house,