Ключевые слова: attractive, backyards, belly, bird, bird food, birdfeeder, birdhouse, blue, common, cyanistes caeruleus, feeder, feeding, feeding site, food, food source, garden, grains, great tit, head, house, one, paridae, recognisable, single, tit, tree, visitor, watching, widespread, wildlife, wings, winter, winter birds, yellow,