South-western Venezuela (southern Amazonas), extreme eastern Colombia (Guainía, Vaupés) and north-western Brazil (upper R Negro region east to north-central Roraima and south to Jaú).
 
Population
Estimated population is unknown (2010).
Yellow-throated Antwren (Myrmotherula ambigua) [XC525388]
by Mauricio \u00c1lvarez-Rebolledo (Colecci\u00f3n de Sonidos Ambientales - Instituto Humboldt) from PNN Chiribiquete, cunar\u00e9- Am\u00fa, Colombia (?)
Yellow-throated Antwren (Myrmotherula ambigua) [XC505824]
by Mauricio \u00c1lvarez-Rebolledo (Colecci\u00f3n de Sonidos Ambientales - Instituto Humboldt) from Tabajos tracks, Sao Gabriel da Cachoeira, Amazonas, Brazil (song)