Ключевые слова: animal, bird, bird watching, birdhouse, birdnest, birdsnest, brood, clutch, eggs, fauna, habitat, hatch out, incubate, incubate eggs, incubation, life, motacilla alba, motacillidae, natural, nature, nest, nesting, nesting behavior, nesting ground, nobody, nurture, outdoors, parent, reproduction, sitting, white wagtail, wild, wildlife,