White-lored Tyrannulet

The white-lored tyrannulet is 8 to 9 cm (3.1 to 3.5 in) long and weighs about 6 to 8 g (0.21 to 0.28 oz). It is a small flycatcher with a rather thick bill. The sexes have the same plumage. Adults have a gray crown and nape with a white line from past the eye to past the eye across the forehead and gray lores on an otherwise olive face. Their upperparts are olive. Their wings are blackish with thin greenish yellow edges on the secondaries. Their greater and median wing coverts have pale yellow tips that show as two rows of spots on the closed wing. Voice: Many authors note that the white-lored tyrannulet is highly vocal and is heard more often than seen. Its song is described as a "persistently repeated, rather high-pitched and wheezy pee, dee-dee-deet or pee, dee-deet", "a series of thin, rising whistles (usually 3–4): weet-weet-weet?