Taxon category: Species with Infraspecific Taxa

Syn.: Asio flammeus Pontoppidan, 1763; Asio galapagensis

Taxon origin: Endemic

Trophic role: Carnivorous

Reproduction mode: Exclusively sexual

Distribution: From all the main islands except Wolf.

• Wiedenfeld, D.A. (2006) Aves, the Galapagos Islands, Ecuador. Check List 2006 2(2): 1-27.
• Jiménez-Uzcátegui, G. Milstead, B., Márquez, C., Zabala, J., Buitrón, P., Llerena, A., et al. (2007) Galapagos vertebrates: endangered status and conservation actions. Galapagos Report 2006–2007. Charles Darwin Foundation, Puerto Ayora, p. 104–110.
• Harris, M.P. (1973) The Galápagos avifauna. Condor 75(3): 265-278.
• Salvin, O. (1876) On the avifauna of the Galápagos Archipelago. Transactions of the Zoological Society of London 9: 447-510.
• Rothschild, W. Hartert, E. & Jordan, K. (1899) A review of the ornithology of the Galapagos Islands with notes on the Webster-Harris Expedition. Novitates Zoologicae 6(2): 85-286.
• Castro, I. Phillips, A. (1996) A Guide to the Birds of the Galapagos Islands. Christopher Helm Publishers Ltd., London.
• Swarth, H.S. (1931) The Avifauna of the Galapagos Islands. Occ. Pap. Calif. Acad. Sci. 18: 1-299.
• Jiménez-Uzcátegui, G. Betancourt, F. (2008) Avifauna vs automotores. Informe Galápagos 2007-2008. FCD, PNG & INGALA. Puerto Ayora, Ecuador. p. 111–114.
• Hickin, N. (1979) Animal life of the Galapagos. Ferundune Books, Faringdon, U.K., 236 pp.
• Bisconti, M. Landini, W., Bianucci, G., Cantalamessa, G., Carnevale, G. Ragaini, L. & Valleri, G. (2001) Biogeographic relationships of the Galapagos terrestrial biota: parsimony analyses of endemicity based on reptiles, land birds and Scalesia land plants. J. Biogeogr. 28: 495-510.
• Trillmich, F. (1992) Conservation problems on Galápagos: the showcase of evolution in danger. Naturwissenschaften 79: 1-6.
• IUCN (2015) The IUCN Red List of Threatened Species. Version 2015-4. <www.iucnredlist.org>. Downloaded on 20 November 2015.
• Freile, J.F. Santander, T., Jiménez-Uzcátegui, G., Carrasco, L., Cisneros-Heredia, D., Guevara, E., Sánchez-Nivicela, M., Tinoco, B. (2019) Lista Roja de las aves del Ecuador Quito, Ecuador. 97 pp.