Cacatua sp. nov. 'Bismarck Archipelago'

New Ireland cockatoo, Bismarck cockatoo (proposed)

Taxonomy & Nomenclature

Synonym/s: cf. Cacatua sp. (Steadman et al. 1999:2566); Cacatua aff. galerita undescribed species (Tyrberg, 2009:89)

Subfossils of Cactua sp. have been found on New Ireland which "probably represent an undescribed species or subspecies in the C. galerita species group, the description of which awaits the availability of more comparative skeletons." (Steadman et al., 1999:2566).

Conservation Status

Extinct

Distribution & Habitat

Mussau & New Ireland, Bismarck Archipelago, Papua New Guinea

Biology & Ecology

Hypodigm

Media

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

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)]

Steadman, David W. (2006). Extinction and Biogeography of Tropical Pacific Birds. Chicago: University Of Chicago Press. xiv + 594 pp.

Steadman, David W. and Kirch, Patrick V. (1998). Biogeography and Prehistoric Exploitation of Birds in the Mussau Islands, Bismarck Archipelago, Papua New Guinea. Emu 98: 13-22.

Steadman, David W., White, J. Peter and Allen, Jim. (1999). Prehistoric birds from New Ireland, Papua New Guinea: Extinctions on a large Melanesian island. Proc. Natl. Acad. Sci. USA 96: 2563-2568.

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.

https://extinctanimals.proboards.com/thread/9234/cacatua-sp-new-ireland-cockatoo

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