The Sidamo Lark (Heteromirafra sidamoensis), also known as Liben Lark, is a species of lark in the Alaudidae family. It is endemic to Ethiopia. Its natural habitats are dry savanna and subtropical or tropical dry lowland grassland. It is threatened by habitat loss and unlike previously believed its population is rapidly declining. Listed as Vulnerable since 2000 on the IUCN Red List, it was uplisted to Endangered in 2007, and then further to Critically Endangered in 2009.
- BirdLife International (2012). "Heteromirafra sidamoensis". IUCN Red List of Threatened Species. Version 2012.1. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/106008123. Retrieved 16 July 2012.
- BirdLife International (2007). "What's new (2007)". Archived from the original on 28 August 2007. http://replay.web.archive.org/20070828022837/http://www.birdlife.org/action/science/species/global_species_programme/whats_new.html.
- BirdLife International (2011). "Species factsheet: Heteromirafra sidamoensis". http://www.birdlife.org/datazone/search/species_search.html?action=SpcHTMDetails.asp&sid=8123&m=0. Retrieved 14 May 2011.
- Donald, Paul F.; Collar, Nigel J.; Marsden, Stuart J.; Pain, Deborah J. (2010). "Chapter 8: Liben Lark Heteromirafra sidamoensis". Facing Extinction: The World's Rarest Birds and the Race to Save Them. pp. 80–85. ISBN 978-0-7136-7021-9. Archived from the original on 14 May 2011. http://www.webcitation.org/5yg4vh3h3.
- Schultz, Nora (20 March 2009). "Africa's first bird extinction likely within four years". New Scientist. http://www.newscientist.com/article/dn16817-africas-first-bird-extinction-likely-within-four-years.html. Retrieved 14 May 2011.
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