Оливковый пампасник Embernagra platensis

Large finch with a long tail and strong orange-yellow bill. Mostly gray on the head, breast and neck, with a sooty mask and olive-green wings and tail. Different subspecies vary in the coloration of the back (gray or green) and vent (gray or cinnamon). Found in shrubby grasslands and marshes. The song is a high-pitched “pzzt–tcheewe.”