Ключевые слова: animal, annual, autumn, avian, bird, birdwatching, black, brown, concealed, cook county, cook county forest preserve, daisy, fauna, field, finch, flower, grass, grassland, green, helianthus divaricatus, helianthus pauciflorus, hidden, hidding, hide, illinois, little red schoolhouse, meadow, obscure, pasture, perch, perched, perennial, plains, prairie, prairie sunflower, seed, sit, songbird, sunflower, tan, united states, wildflower, wildlife, woodland sunflower, yellow,