Olivaceous elaenia

Olivaceous elaenia
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Tyrannidae
Genus: Elaenia
Species:
E. mesoleuca
Binomial name
Elaenia mesoleuca
(Deppe, 1830)

The olivaceous elaenia (Elaenia mesoleuca) is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Brazil, Paraguay, and Uruguay.