Escarpment of western Angola in Cuanza Sul (between Uku and Sumbe) and Benguela (near Chingoroi and Balabaia).
 
Population
Estimated population is 250 - 999 (2010) and decreasing.
Status EN
Habitat destruction through conversion to subsistence agriculture, frequent fires from uncontrolled slash-and-burn agriculture, are the main threats.
For more information see BirdLife International Species Factsheet.
Voice
Series of high-pitched, sparrow-like notes, repeated slowly, uttered explosively and more softly, with some variation: e.g. 'tee-tchyoi' and 'tee, ti-twuh'.