Ключевые слова: adult, america, animal, autumn, aves, avian, background, beautiful, biodiversity, biology, bird, branch, bush, close, closeup, colorful, conservation, countryside, detail, domesticus, ecology, ecosystem, environment, environmental, fall, fauna, feather, feathers, finch, fluffy, forest, house, leaves, male, maryland, nature, north, ornithology, passer, passeridae, passeriformes, passerine, perch, perching, plumage, shrubs, small, sparrow, stem, tree, twig, up, vegetation, wild, wildlife, woodland,