Adult Yellow-green Vireo differs from Red-eyed Vireo in its much yellower underparts, lack of a black border to the duller grey crown, yellower upperparts and different eye color.Immature birds are duller with brown eyes, a brown tint to the back, and less yellow on the underparts.Diet:Yellow-green Vireos feed on berries and insects, especially caterpillars and beetles.Song / Call: The Yellow-gree