Zapornia sp. nov. 'Medium Kauai rail'
Medium Kauai crake, Medium Kauai rail
Taxonomy & Nomenclature
Synonym/s: Porzana sp. nov. ‘Kaui sp. #1’; Porzana undescribed species 1 (Tyrberg, 2009:80)
Conservation Status
Extinct
Last record: 5145–6740yBP (Harmon et al., 2026)
Distribution & Habitat
Kauai, Hawaiian Islands, USA
Biology & Ecology
Hypodigm
Media
References
Burney, David A. et al. (2001). Fossil evidence for a diverse biota from Kaua'i and its transformation since human arrival. Ecological Monographs 71(4): 615-641.
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
Harmon, Kristen C., Price, Melissa R. and Winter, Kawika B. (2026). The “regime shift extinctions” hypothesis and mass extinction of waterbirds in Hawaiʻi. Ecosphere 17: e70445. https://doi.org/10.1002/ecs2.70445
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)]
Olson, Storrs L. and James, Helen F. (1982). Prodromus of the fossil avifauna of the Hawaiian Islands. Smithsonian Contributions to Zoology 365: 1-59.
Olson, Storrs L. and James, Helen F. (1984). The role of Polynesians in the extinction of the avifauna of the Hawaiian islands, pp. 768-780. In: Martin, P. S. and Klein, R. G. (eds.). Quaternary Extinctions: A Prehistoric Revolution. Tuscon, Arizona: University of Arizona Press.
Olson, Storrs L. and James, Helen F. (1991). Descriptions of thirty-two new species of birds from the Hawaiian Islands: Part 1. Non-Passeriformes. Ornithological Monographs 45: 1-88.
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.