Ключевые слова: abundant, animal, avian, beak, bellies, bird, birds, black, branch, breeder, breeding, central mexico, chests, colorful, common yellowthroat, eyes, face, feather, forehead, geothlypis, geothlypis trichas, grass, gray, green, habitats, masks, natural, nature, neck, north america, olive backs, ranging, small, songbirds, southern canada, tails, thlypis, throats, thrush, tree, trichas, trikhas, trikhos, warbler, white, wild, wildlife, wings, yellow,