Ключевые слова: animal, bird, birds, birdwatching, branch, clear background, closeup, common cuckoo, cuckoo, cuckoo bird, cuculiformes, cuculus canorus, european cuckoo, field, habitat, isolated, isolated background, male, male bird, meadow, mossy, natural, nature, ornithology, outdoor, park, perched, perching, portrait, songbird, spring, stick, summer, tree, twig, uk, wild, wildlife,