Lesser Elaenia (Elaenia chiriquensis) [XC304418]
by id from Tr\u00eas Lagoas, Mato Grosso do Sul, Brazil (call)
Lesser Elaenia (Elaenia chiriquensis) [XC291622]
by Fernando Igor de Godoy from Santa B\u00e1rbara Ecological Station, S\u00e3o Paulo, Brazil (song)
Subspecies
Probably the mainland ancestor of Caribbean Elaenia (Elaenia martinica). In the past was sometimes treated as conspecific with Noronha Elaenia (Elaenia ridleyana), but voices very different.
The following 3 subspecies are recognised:
chiriquensis Lawrence, 1865 - Tropical zone of south-western Costa Rica and Pacific slope of western Panama (east to Canal Zone, including Coiba I and Pearl Is).
brachyptera Berlepsch, 1907 - South-western Colombia (Pacific slope in Nariño) and north-western Ecuador (Imbabura, Pichincha). Considered by some authors to be a distinct species, Coopman's Elaenia (Elaenia brachyptera).
albivertex Pelzeln, 1868 - Netherlands Antilles (Aruba, Curaí§ao, Bonaire), Trinidad, north, central and eastern Colombia, Venezuela, the Guaianas, scattered localities throughout north, eastern and central Brazil (south to Sío Paulo; apparently absent from upper Amazon Basin), eastern Peru, northern and eastern Bolivia, Paraguay and north-western and north-eastern Argentina.
BirdLife International Species Factsheet