Nannococcyx psix Olson, 1975
St. Helena cuckoo
Taxonomy & Nomenclature
Conservation Status
Extinct
Last record: Holocene (presumed to have survived until 1700's); 1650 (Kittelberger et al., 2024)
IUCN RedList status: Extinct
Distribution & Habitat
St. Helena
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Olson, Storrs L. (1975). Paleornithology of St Helena Island, South Atlantic Ocean. Smithson. Contrib. Paleobiol. 23: 1-49.
Other references:
BirdLife International. (2012). Nannococcyx psix. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. (http://www.iucnredlist.org). Downloaded on 25 August 2013.
BirdLife International. (2016). Nannococcyx psix. The IUCN Red List of Threatened Species 2016: e.T22728841A94998433. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22728841A94998433.en. Accessed on 30 June 2022.
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.
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.
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
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)]
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]
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)]
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.
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