Caracara lutosa Ridgway, 1876a:459
Guadalupe caracara, Quelili
Taxonomy & Nomenclature
Synonym/s: Polyborus lutosus Ridgway, 1876a:459
Conservation Status
Extinct (WCMC, 1992:212)
Last record: 1 December 1900 (Abbott, 1933:14; Day, 1981; WCMC, 1992:212 [as 1900]); 1903 (Howell and Cade, 1953; Barton et al. 2004; Kittelberger et al., 2024)
IUCN RedList status: Extinct
Distribution & Habitat
Guadalupe Island, off Baja California, Mexico
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Ridgway, R. (1876a). Studies of the American Falconidae. Monograph of the Polybori. Bulletin of the United States Geological and Geographical Survey of the Territories 1: 451-473.
Other references:
Abbott, Clinton G. (1933). Closing History of the Guadalupe caracara. Condor 35(1): 10-14.
Barton, D.C., Lindquist, K.E., Henry, R.W. and Luna Mendoza, L.M. (2004). Landbird and Waterbird Notes from Isla Guadalupe, Mexico. Western Birds 35(4): 186-196.
BirdLife International (2000) Threatened Birds of the World. Lynx Edicions and BirdLife International, Barcelona and Cambridge.
BirdLife International. (2012). Caracara lutosa. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. (http://www.iucnredlist.org). Downloaded on 13 March 2013.
BirdLife International. 2016. Caracara lutosa. The IUCN Red List of Threatened Species 2016: e.T22728892A94999996. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22728892A94999996.en. Downloaded on 27 June 2021.
Brooks, T. 2000. Extinct species. In: BirdLife International (ed.), Threatened Birds of the World, pp. 701-708. Lynx Edicions and BirdLife International, Barcelona and Cambridge, U.K.
Bryant, W. E. (1887). Additions to the ornithology of Guadalupe Island [Pacific]. Bull. California Acad. Sci. 6: 269-318.
Butchart, Stuart H. M., Lowe, Stephen, Martin, Rob W., Symes, Andy, Westrip, James R. S. and Wheatley, Hannah. (2018a). Which bird species have gone extinct? A novel quantitative classification approach. Biological Conservation 227: 9-18. https://doi.org/10.1016/j.biocon.2018.08.014
Butchart, Stuart H. M., Wheatley, Hannah, Lowe, Stephen, Westrip, James R. S., Symes, Andy and Martin, Rob W. (2018b). Data for: Which bird species have gone extinct? A novel quantitative classification approach. Mendeley Data, V1, doi: 10.17632/vvjhpmyxb4.1
Day, David. (1981). The Doomsday Book of Animals: A Natural History of Vanished Species. New York, N.Y.: The Viking Press.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
Dove, C. J.; Banks, R. C. 1999. A taxonomic study of Crested Caracaras (Falconidae). Wilson Bulletin 111: 330-339.
Everett, William T. (2019). Rollo H. Beck's Visits to Isla Guadalupe, Mexico, with Additions and Corrections to the Island's Avifauna. Proceedings of the California Academy of Sciences, ser. 4, 65(7): 159-180.
Faurby, Søren, Matthews, Tom J., Triantis, Kostas A. and Sayol, Ferran. (2026). Quantifying the unrecorded loss of avian phylogenetic diversity. Ecography 2026: e08267. https://doi.org/10.1002/ecog.08267
Fisher, Diana O. and Humphreys, Aelys M. (2024). Evidence for modern extinction in plants and animals. Biological Conservation 298: 110772. https://doi.org/10.1016/j.biocon.2024.110772
Fuller, Errol. (1988). Extinct Birds. New York: Facts on File Publications. 256 pp.
Greenway Jr., James C. (1967). Extinct and vanishing birds of the world. Dover Publications, New York. [pp. 183-185]
Howell, T. R. and Cade, T. J. (1953). The birds of Guadalupe Island in 1953. Condor 56: 283-294.
Kittelberger, Kyle D., Tanner, Colby J., Buxton, Amy N., Prewett, Amira and Şekercioğlu, Çağan Hakkı. (2024). Correlates of avian extinction timing around the world since 1500 CE. Avian Research 15: 100213. https://doi.org/10.1016/j.avrs.2024.100213 [Supplementary data (List of 216 taxa)]
Knox, Alan G. and Walters, Michael P. (1994). Extinct and endangered birds in the collections of The Natural History Museum. British Ornithologists' Club Occasional Publications 1: 1-292.
Matthews, Thomas J., Triantis, Kostas A., Wayman, Joseph P., Martin, Thomas E., Hume, Julian P., Cardoso, Pedro, Faurby, Søren, Mendenhall, Chase D., Dufour, Paul, Rigal, François, Cooke, Rob, Whittaker, Robert J., Pigot, Alex L., Thébaud, Christophe, Jørgensen, Maria Wagner, Benavides, Eva, Soares, Filipa C., Ulrich, Werner, Kubota, Yasuhiro, Sadler, Jon P., Tobias, Joseph A. and Sayol, Ferran. (2024). The global loss of avian functional and phylogenetic diversity from anthropogenic extinctions. Science 386(6717): 55-60. https://doi.org/10.1126/science.adk7898 [Supplementary Materials; Dryad dataset; Zenodo codeset]
Matthews, Thomas J., Wayman, Joseph P., Cardoso, Pedro, Sayol, Ferran, Hume, Julian P., Ulrich, Werner, Tobias, Joseph A., Soares, Filipa C., Thébaud, Christophe, Martin, Thomas E. and Triantis, Kostas A. (2022). Threatened and extinct island endemic birds of the world: Distribution, threats and functional diversity. Journal of Biogeography 49(11): 1920-1940. https://doi.org/10.1111/jbi.14474 [Appendix S1 (.docx); Appendix S2 (.pdf)]
Ridgway, R. (1876b). Ornithology of Guadalupe Island, based on notes and collections, made by Dr. Edward Palmer. Bulletin of the United States Geological and Geographical Survey of the Territories 2(2): 183-195.
Sayol, Ferran, Steinbauer, Manuel J., Blackburn, Tim M., Antonelli, Alexandre and Faurby, Søren. (2020). Anthropogenic extinctions conceal widespread evolution of flightlessness in birds. Science Advances 6(49): eabb6095. https://doi.org/10.1126/sciadv.abb6095 [Supplementary Material (Data File S1)]
Stattersfield, A.J., Crosby, M.J., Long, A.J. and Wege, D.C. 1998. Endemic bird areas of the world: priorities for bird conservation. BirdLife International, Cambridge, U.K.
Suárez, W. & Olson, S.L. (2003). Proceedings of the Biological Society of Washington, 116, 301–307.
Swann, H. K. (1925). [An account of the nest of Caracara lutosa]. Monograph of the Birds of Prey, pt. 2, p. 73.
Tyrberg, Tommy. (2009). Holocene avian extinctions, pp. 63-106. In: Turvey, Samuel T. (ed.). Holocene Extinctions. Oxford, UK & New York, USA: Oxford University Press. xii + 352 pp.
WCMC (World Conservation Monitoring Centre). (1992). Global Biodiversity: Status of the Earth's living resources. London: Chapman & Hall. xx + 594 pp.
Wetmore, Alexander. (1933). A Skeleton of the Guadeloupe Caracara. Condor 35(5): 206.
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