Olivaceous Elaenia (Elaenia mesoleuca) [XC422344]
by JAYRSON ARAUJO DE OLIVEIRA from Curitiba, PR, Brazil (song)
Olivaceous Elaenia (Elaenia mesoleuca) [XC698515]
by Jo\u00e3o Vitor Oliveira de Souza from Ca\u00f1as, Departamento de Tacuaremb\u00f3 (Quebrada detras de casco Estancia Bichadero), Uruguay (uncertain)
Subspecies
Reported to hybridize with Small-billed Elaenia (Elaenia parvirostris) in south-eastern Brazil (Rio Grande do Sul), but this disputed by subsequent authors.