Ключевые слова: alone, animal, animals, bird, birds, calm, conservation, cute, eco, ecological, ecology, ecosystem, environment, environmental, feather, feathers, field, flight, fly, forest, garden, grass, green, habitat, lawn, life, little, looking, natural, nature, nobody, outdoor, outdoors, outside, plants, season, small, solitude, space, sparrow, spring, springtime, sustainability, sustainable, wild, wilderness, wildlife, wing, wings, woods,