Black-tailed Myiobius (Myiobius atricaudus) [XC677736]
by Weber Gir\u00e3o from Resende, Rio de Janeiro, Brazil (alarm call, song)
Black-tailed Myiobius (Myiobius atricaudus) [XC532345]
by Mauricio \u00c1lvarez-Rebolledo (Colecci\u00f3n de Sonidos Ambientales - Instituto Humboldt) from Vereda Los Boh\u00edos, Hacienda Tintin\u00e1, Cuenca r\u00edo Tapias, Guadual y borde de ca\u00f1ada, Colombia (?)
Subspecies
Subspecies portovelae sometimes lumped with nominate because of similarities in plumage and poorly defined geographical boundaries between the two.
The following 7 subspecies are recognised:
atricaudus Lawrence, 1863 - South-western Costa Rica south to western Colombia.
modestus Todd, 1912 - Locally in central and eastern Venezuela (northern Bolívar).
portovelae Chapman, 1924 - Western Ecuador and north-western Peru.
adjacens Zimmer, JT, 1939 - Southern Colombia, eastern Ecuador, eastern Peru, and western Brazil south of Amazon.
connectens Zimmer, JT, 1939 - North-central and north-eastern Brazil south of Amazon.