Xingu Scale-backed Antbird (Willisornis vidua) [XC469843]
by GABRIEL LEITE from Parauapebas, State of Par\u00e1- Serra do Caraj\u00e1s-Serra Norte, Brazil (call, song)
Xingu Scale-backed Antbird (Willisornis vidua) [XC671405]
by Fernando Igor de Godoy from Rio Cristalino,Alta Floresta,Mato Grosso, Brazil (call)
nigrigula (Snethlage, E, 1914) - South-central Amazonian Brazil (extreme eastern Amazonas east to both banks of R Tapajós, and on eastern bank of R Teles Pires south to northern Mato Grosso). Considered by some authors to be a distinct species, Tapajos Scale-backed Antbird (Willisornis nigrigula).
vidua (Hellmayr, 1905) - Eastern Amazonian Brazil south of R Amazon (east from R Xingu to western Maranhío, south to northern Tocantins). Considered by some authors to be a distinct species, Xingu Scale-backed Antbird (Willisornis vidua). Considered by some authors to be a subspecies of Common Scale-backed Antbird (Willisornis poecilinotus).