The Green-backed Firecrown (Sephanoides sephaniodes) is a hummingbird that is found in Argentina and Chile. It can be fairly common in some locations, especially on Robinson Crusoe Island, 350 miles off the Chilean coast. It can be found in the Chilean matorral ecoregion, extending as far south as Tierra del Fuego.
- BirdLife International (2012). "Sephanoides sephaniodes". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- C. Michael Hogan & World Wildlife Fund. 2013. Chilean matorral. ed. M.McGinley. Encyclopedia of Earth. National Council for Science and the Environment. Washington DC
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