Minas Gerais Tyrannulet

The Minas Gerais tyrannulet is about 12 cm (4.7 in) long and weighs about 8 g (0.28 oz). The sexes have the same plumage. Adults have a rufous to ochraceous wash on the forecrown, lores, and often the forehead. They have an indistinct yellowish supercilium and a whitish eye-ring. Their face is otherwise yellowish with a faint brownish crescent around the ear coverts. Their crown and upperparts are bright olive. Their wings are dusky with white to bright olive-yellow edges on the flight feathers. Their wing coverts are dusky with pale yellow to whitish tips that form two wing bars. Voice: The Minas Gerais tyrannulet's song is a "low, rattling tjuddrrr-twit (1st part slightly descending, 2nd part as a sort of full stop)".