Ключевые слова: adoption, animal, baby, beak, bird, birth, birthday, blue, branch, brood, cloud, cloudy, delivering, egg, expecting, eye, family, feather, female, fertility, flying, happiness, head, home, infant, leg, luck, male, metaphor, natural, nature, nest, overpopulation, pair, parenthood, poland, population, pregnancy, season, seasonal, sky, spring, stick, stork, summer, symbol, tail, twig, white,