Description wikipedia

The dusky-tailed antbird (Drymophila malura) is an insectivorous bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Argentina, Brazil, and Paraguay. The dusky-tailed antbird is 13 to 14.5 cm (5.1 to 5.7 in) long and weighs 11 to 13 g (0.39 to 0.46 oz). Adult males' head and neck are streaked with black and whitish gray. Their upperparts are gray with a white patch between the scapulars; the white feathers have black tips. Their flight feathers are brownish and their wing coverts blackish with white tips. Their tail is brownish gray. Their throat and breast are streaked black and white and their flanks and crissum are olive-brown. Females' crown, nape, and sides of the neck have heavy dark brown and buff to olive-brown streaks. They have pale buff crescents above and below their eye and most of the rest of their face has fine dark streaks. Their upperparts and tail are mostly warm brown with a blackish gray patch between the scapulars. Their flight feathers are warm brown with rufous edges and their wing coverts are blackish with narrow white or pale buff tips. Their underparts are mostly buff that is nearly white on the throat and center of the breast. Their breast has dark brown streaks that are heaviest on the sides. Their lower flanks and vent area are rich ochraceous.