Ferruginous-backed Antbird

The ferruginous-backed antbird is 14 to 15 cm (5.5 to 5.9 in) long and weighs 24 to 29 g (0.85 to 1.0 oz). Adult males of the nominate subspecies have a bright chestnut crown, upperparts, and flight feathers. Their wing coverts are black with wide pale cinnamon-buff tips. Their tail is rufous-brown. Their eye is surrounded by bare blue skin. Their face, throat, breast, and upper belly are black with a white line separating them from the chestnut of the upperparts. The center of their belly is gray and their flanks, lower belly, and crissum are reddish yellow-brown. Voice: The male ferruginous-backed antbird's song is a "short, very high, increasing, decelerating 'tjutju-tee-tee-teeh', level pitched after the 'tjutju' ". The species' calls "include variable-length rattles, often one after the other".