Olive-green Tyrannulet

The olive-green tyrannulet is about 12 cm (4.7 in) long. The sexes have the same plumage. Adults have black lores and a faint yellowish white area behind the lores that connects with a prominent yellowish eye-ring. Their face is otherwise yellowish green. Their crown and upperparts are olive. Their wings are dusky with thin yellow edges on the flight feathers. Their wing coverts are dusky with medium yellow tips that form two wing bars. Their tail is olive. Their underparts are medium yellow. Both sexes have a brown iris, a long, pointed, black bill, and gray legs and feet. Voice: Both sexes of the olive-green tyrannulet sing "a series of high, reedy notes preceded by louder, exclamatory note, 'Queet!-peet-peet-peet-peet' ".