Ключевые слова: appalachian mountains, black swallowtail, black swallowtail butterfly, butterflies, butterfly, cloud, clouds, green, insect, insects, invertebrate, landscape, moths and butterflies, mountain, mountainous landforms, mountains, national park, natural landscape, nature, north america, parks, plant, shenandoah national park, sky, swallowtail butterfly, united states, vegetation, virginia,