(Cercomacra parkeri)
It measures 14 to 14.5 cm in length.6 Presents sexual dimorphism.The adult male is black above and gray below,with thin white stripes the wings and olivaceous matices on the flanks.The female has olive-brown upper parts,with crown,ears,eye ring and brownish gray lords;the lower parts from the mento to the infracuadal region,are rufous ferruginous.