Ключевые слова: animal, animals, baby, beak, bird, birdhouse, birth, breeding, brood, callow, chick, childhood, family, feather, fledgling, forest, green, habitat, hatch, hatching, little, lovely, mouth, natural, nature, nest, nestling, new, newborn, nurture, open, ornithology, outdoor, passerine, reproduction, small, song, spring, sucking, summer, three, thrush, unbroken, unfledged, wild, wildlife, wood, woodland, yellow, young,