Batará Pizarroso de Sooretama Thamnophilus ambiguus

Small antshrike found in the lower and middle level of woodlands and second growth. Males are gray with a dark cap and black wings and tail that have prominent white bars and spots. Females are rufous with a grayish face, dark wings, and a similar pattern of spotting on the wings. The song is loud and long: a series of around 20 descending notes with an abrupt finish. Resembles Variable Antshrike, males of which are darker and females more rufescent.