Ключевые слова: air, animal, background, beak, beautiful, bird, blue, bluesky, branch, brown, canorus, common, copy, copyspace, cuckoo, cuculidae, cuculiformes, cuculus, feather, flight, fly, flyingbird, green, habitat, male, natural, nature, nobody, outdoors, perching, plumage, sing, sit, sky, space, spring, stick, summer, textspace, tree, twig, wild, wildlife, wings, young,