Coastal eastern Brazil (Paraíba south to Rio de Janeiro). Considered by some authors to be a subspecies of White-flanked Antwren (Myrmotherula axillaris).
Silvery-flanked Antwren (Myrmotherula luctuosa) [XC237052]
by Jeremy Minns from Reserva Natural da Vale do Rio Doce, ES, Brazil (call)
Silvery-flanked Antwren (Myrmotherula luctuosa) [XC431331]
by Ciro Albano from Paulista, Esta\u00e7\u00e3o Ecol\u00f3gica de Caet\u00e9s, State of Pernambuco, Brazil (song)
Subspecies
Considered by some authors to be a subspecies of White-flanked Antwren (Myrmotherula axillaris).