Approximate range of Elaenia chilensis or Elaenia albiceps chilensis.   Breeding  Non-breeding  Passage
Adapted from:

BirdLife International. 2019. Elaenia albiceps (amended version of 2016 assessment). The IUCN Red List of Threatened Species 2019: e.T22699271A155514417. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22699271A155514417.en. Downloaded on 11 June 2021.
White-crested Elaenia, Thomas S. Schulenberg. Birds of The World, The Cornell Lab of Ornithology. https://birdsoftheworld.org
Cephas