Leaden Antwren (Myrmotherula assimilis) [XC386037]
by Nick Athanas from Feij\u00f3, Acre - Gleba Afluente, Brazil (call)
Leaden Antwren (Myrmotherula assimilis) [XC603450]
by Nick Athanas from Oriximin\u00e1, State of Par\u00e1, Brazil (song)
Subspecies
Relationships uncertain. Results of one genetic study suggest that this species is not related to any others in the genus.
The following 2 subspecies are recognised:
assimilis Pelzeln, 1868 - Rivers of western and central Amazonia in Peru (eastern from lower R Marañón), Brazil (east to Amazonas-Pará border, including R Solimíµes, R Madeira and lower portions of R Negro, R Juruá and R Purus) and northern Bolivia (lower R Beni and R Guaporé).
transamazonica Gyldenstolpe, 1951 - R Amazon in extreme western Pará (east to mouth of R Tapajós).