Notes: Black mask bordered below by pale yellow line ending
in bright yellow plumes below ear; streaks on body heavy, dense on breast,
flanks. Ssp sonorus smaller than nominate virescens w.
longer bill, less densely streaked below; forresti is smaller than
sonorus, w. short bill, much paler above & below, dull creamy
chin & throat lacking streaking; cooperi is similar to nominate,
but w. slightly less dense and more diffuse streaking below. Widespread in open
shrubland.