Olivaceous Elaenia (Elaenia mesoleuca) [XC81544]
by Jos\u00e9 Luis Men\u00e9ndez from Santa Catarina; near Urubici, Brazil (call, call and sound of interaction)
Olivaceous Elaenia (Elaenia mesoleuca) [XC186492]
by Luiz Gabriel Mazzoni from Floresta Nacional de Passo Fundo, Mato Castelhano, Mato Castelhano, Rio Grande do Sul, Brazil (call)
Subspecies
Reported to hybridize with Small-billed Elaenia (Elaenia parvirostris) in south-eastern Brazil (Rio Grande do Sul), but this disputed by subsequent authors.