Johannes's Tody-Tyrant

Johannes's tody-tyrant is about 11 cm (4.3 in) long and weighs 9.2 to 12.7 g (0.32 to 0.45 oz). The sexes have the same plumage. Adults have a bright olive crown. They have brownish lores, sometimes with a white spot above them, and the color extends around the eye. Their back and rump are bright olive. Their wings are dusky olive with indistinct yellow edges on the flight feathers and indistinct yellow tips on the coverts; the latter show as two wing bars. Their tail is bright olive. Their throat is whitish with very thin black streaks. Voice: The song of Johannes's tody-tyrant has been described as "an accelerating, rising trilled tew-tur'r'r'r'e'e'e'e? phrases interspersed with single tew notes or a slow, rising series of 3-6 tew notes". Another description is a "high, brisk 'tjudrrrri' ('tju' colliding with 'd'); 'drrrri' rising". Its call is single or paired tew notes.