Ключевые слова: alive, animal, beak, bill, biodiversity, biology, bird, birding, birdwatching, branch, conservation, day, ecology, environment, environmental, fauna, feathers, gray, green, greenery, grey, horizontal, leaves, life, limb, living, natural, nature, olive, organism, ornithology, outdoors, outside, perched, redeyed, scene, scenery, science, small, songbird, vegetation, vertebrate, vireo, warmblooded, white, wild, wilderness, wildlife, wing, zoology,