Ключевые слова: action, animal, animals, baby, barn, beak, beautiful, bird, birdnest, birds, black, brood, chick, chicks, childhood, environment, fauna, feather, feed, fledgling, flight, flying, ground, group, habitat, house, hungry, martin, mother, natural, nature, nest, nestling, nurture, opening, outdoor, outdoors, parent, shot, silhouette, sitting, spring, swallow, view, watching, white, wide, wild, wildlife, young,