Highland Elaenia (Elaenia obscura) [XC23657]
by Barros\/Schmitt from Acobamba 11\u00b046'S - 74\u00b047'W, Huancayo, Peru (song)
Highland Elaenia (Elaenia obscura) [XC47850]
by Niels Krabbe from Rio Inambari below Sandia, Puno, Peru (song)
Subspecies
Probably forms a superspecies, and sometimes considered conspecific, with Mountain Elaenia (Elaenia frantzii), possibly also including Great Elaenia (Elaenia dayi).
The following 2 subspecies are recognised:
obscura (D'Orbigny & Lafresnaye, 1837) - Eastern slope of Andes from southern Ecuador (Azuay, Loja) south to Bolivia and north-western Argentina (south to Tucumán).
sordida J. T. Zimmer, 1941 - Brazil (southern Mato Grosso do Sul east to Minas Gerais, locally to southern Bahia, and south to Rio de Janeiro and Rio Grande do Sul), eastern Paraguay, north-eastern Argentina and northern Uruguay. Considered by some authors to be a distinct species, Brazilian Elaenia (Elaenia sordida).
BirdLife International Species Factsheet