Ключевые слова: adult, alert, alone, american, animal, avian, background, bird, black, colorful, environment, fauna, flycatcher, forest, green, hooded, hooded warbler, lone, male, migration, natural, nature, new, north, north america, one, outdoor, outdoors, perch, perched, perching, setophaga citrina, single, sit, sitting, small, songbird, species, spring, tiny, warbler, wild, wildlife, world, yellow,