Blackish Antbird

The blackish antbird is 14 to 15 cm (5.5 to 5.9 in) long and weighs 14 to 25 g (0.49 to 0.88 oz). Males of the nominate subspecies C. n. nigrescens are almost entirely blackish gray. They have a white patch between their scapulars, a hidden white patch under the scapulars, and narrow white tips on their wing coverts. Females have rufous-tinged olive-gray crown, upperparts, and wings with a white interscapular patch. Their forehead and face are orange-rufous. Their tail is blackish. Their throat and underparts are orange-rufous with an olive tinge to their flanks. Males of subspecies C. n. Voice: Male blackish antbirds of the nominate subspecies sing "a single low 'wup' followed by short rattle of variable length...that usually becomes less intense". Songs of males of the other subspecies differ somewhat in the rattle's pitch and the song's pace. Females of all subspecies sing "a series of countable 'wup' notes...