Xingu Scale-backed Antbird (Willisornis vidua) [XC671205]
by Felipe Arantes from Tapirap\u00e9 Aquir\u00ed National Forest, Brazil (call)
Xingu Scale-backed Antbird (Willisornis vidua) [XC812680]
by Andrew Spencer from Parque Nacional da Amazonia, Itaituba, State of Par\u00e1, Brazil (song)
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).