Ключевые слова: adult, animal, avian, background, beautiful, bird, branch, bright, canorus, close, color, colorful, common, cuckoo, cuculidae, cuculiformes, cuculus, female, green, grey, habitat, image, isolated, male, nature, nest, nobody, outdoor, outdoors, parasite, perching, plaintive, sing, sit, songbird, space, spring, springtime, tree, twig, up, white, wild, wildlife,