Ключевые слова: adaptation, anthem, avian, bird, birdsong, chirp, chirping, conservation, eastern, ecological, environment, feathers, fields, flight, grass, grassland, habitat, harmony, life cycle, meadow, meadowlark, melody, migratory, nesting, ornithology, pastoral, patterned, plumage, prairie, singing, song, songbird, species, symbiosis, symphony, vibrant, wildlife,