Ключевые слова: alone, america, animal, avian, background, barn, beak, beautiful, bird, black, blue, branch, canada, color, conservation, cute, ecology, environment, fauna, feather, hirundo, life, migration, natural, nature, north, one, orange, outdoor, outside, perched, rustica, sitting, sky, sleeping, south, spring, swallow, up, view, way, white, wild, wildlife, wing, wire, yellow,