Black-tailed Myiobius (Myiobius atricaudus) [XC81773]
by Rodrigo Dela Rosa de Souza from Mitu, Vaupes, Colombia (call)
Black-tailed Myiobius (Myiobius atricaudus) [XC838392]
by Jeremy Minns from Parque das Trilhas, Guaramiranga-CE, Cear\u00e1, Brazil (call, song)
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.