Agile Tit-Tyrant

The agile tit-tyrant is 12.5 to 13.5 cm (4.9 to 5.3 in) long. The sexes have the same plumage. Adults have a flattish black crest and a long tail. They have a brownish black crown, a wide white supercilium, black lores, and a wide dark brown stripe through the eye on a face that is otherwise finely streaked with black and white. Their upperparts are warm brown and heavily streaked with black. Their wings are dark dusky brown with thin whitish edges on the innermost flight feathers. Their tail is dusky with white edges on the outermost pair of feathers. Voice: The agile tit-tyrant's song is "an exiited-sounding, jumble series of 'treerrr' trills and 'tseeyk', 'tsi-dik', or 'tsee' notes". Its call is "a brief soft trill".