This subspecies is often considered a distinct species. It is highly migratory, breeding in southern South America, and disperses widely throughout much of central South America in the austral winter.
A small elaenia formerly considered a subspecies of the [White-crested Elaenia]. The Chilean Elaenia is the migratory version, and is found in the austral summer from south Bolivia to Tierra del Fuego. It migrates as far north as southeast Colombia and northeast Brazil ([HBW]).
Africa (entire continent rather than south of Sahara)
AN
Antarctica
AO
Atlantic Ocean
AU
Australasia (Wallacea (Indonesian islands east of Wallace's line), New Guinea and its islands, Australia, New Zealand and its subantarctic islands, the Solomons, New Caledonia, and Vanuatu)
PAL
Eurasia (Europe, Asia from the Middle East through central Asia north of the Himalayas, Siberia and northern China to Japan)
IO
Indian Ocean
LA
Latin America (Middle and South America)
MA
Middle America (Mexico through Panama)
NA
North America (includes the Caribbean)
NO
Northern oceans
OR
Oriental Region (South Asia from Pakistan to Taiwan, plus Southeast Asia, the Philippines, and Greater Sundas)