Ключевые слова: america, animal, avian, biodiversity, biology, bird, branch, carolinensis, catbird, close, colored, colorful, conservation, countryside, coverts, dark, dense, detail, dumetella, ecology, ecosystem, environment, environmental, feathers, forest, gray, grey, maryland, mimic, mimid, mimidae, muscicapoidea, nature, north, ornithology, passeriformes, passerine, perched, perching, plumage, red, shade, shady, sitting, slate, slatecolored, songbird, spring, summer, thicket, tree, twig, up, vegetation, vent, wild, wildlife, woodland, zoology,