Ключевые слова: baby bird, bird, bird box, bird house, birds, birdwatching, blue tit, bluetit, brood, caeruleus, chick, city life, copy space, cyanistes, cyanistes caeruleus, environment, fauna, feathers, fledge, fledged, fledgeling, fledging, fledgling, fluffy, forest, garden, great tit, habitat, hungry, isolated, juvenile, long tailed tit, mating, nature, nest, nest box, nestbox, nestling, no people, outdoors, parus, parus caeruleus, passerine, plumage, songbird, sparrow, spring, town, tree, urban, urban wildlife, wildlife,