Rhodacanthis litotes James & Olson, 2005:536
Taxonomy & Nomenclature
Synonym/s: Rhodacanthis aff. flaviceps James, 2004:241
Conservation Status
Extinct
Last record: c. 1600-1700 AD
Distribution & Habitat
Maui & Oahu, Hawaiian Islands, USA
Biology & Ecology
Hypodigm
Holotype: BPBM 158861 ("complete maxilla")
Type locality: Island of Oahu, Ewa Quadrangle: large sinkhole c. 3.6 km N of Barber’s Point (21∞18¢N, 158∞6¢E, c. 15 m a.s.l.)
Paratypes:
USNM 445795
USNM 445794
USNM 445793
USNM 445796
Media
References
Original scientific description:
James, Helen F. and Olson, Storrs L. (2005). The diversity and biogeography of koa-finches (Drepanidini: [i]Rhodacanthis[/i]), with descriptions of two new species. Zoological Journal of the Linnean Society 144: 527–541, 6 figs.
Other references:
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
James, Helen F. (2004). The osteology and phylogeny of the Hawaiian finch radiation (Fringillidae: Drepanidini), including extinct taxa. Zoological Journal of the Linnean Society 141: 207-255, 17 figs.
James, H.F. & Olson, S.L. (1991) Ornithological Monographs, 1–88.
James, Helen F. and Price, J. P. (2008). Integration of palaeontological, historical, and geographical data on the extinction of koa-finches. Diversity and Distributions 14(3): 441-451.
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)]
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.