From along the Rio Napo, Ecuador. These birds are active and vocal with male and female singing differently in a duet. They usually forage around water and in pairs. Classifying them seems to be difficult. "Taxonomy still uncertain, formerly considered a member of the Mimidae, and called Black-capped Mockingbird, then the Troglodytidae, and currently associated with the latter pending sufficient DNA-based data to establish its true affinities. Apparently an aberrant 'sylvioid', related to Old World babblers (Timaliidae) and warblers (Sylviidae) (K&B)" (Birds of N. South America, Restall) f/6.3, iso 1600, exp comp plus two-thirds, 1/800.