Black-tailed Myiobius (Myiobius atricaudus) [XC5479]
by Andrew Spencer from Ecoparque Riacho do Meio, Barbalho, Cear\u00e1, Brazil (song)
Black-tailed Myiobius (Myiobius atricaudus) [XC493612]
by Alexander Lees from Porto Franco, Maranh\u00e3o Ecopousada Brasil, Brazil (call)
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.