Ключевые слова: avian, beak, bird, bird singing, birdwatching, branch, chest, close, closeup, colorful, erithacus rubecula, european, fine, fowl, garden, garden birds, green, greeting, greeting card nature, mother, mothers day, natural, near, observation, one, orange, ornithologist, outdoor, park, perched, postcard, red, redbreast, robin, robin singing, rubecola, rubecula, sing, singer, single, small, song, songbird, songster, spring, thin, twig, wing,