:Oʻahu moa-nalo
{{Short description|Extinct species of bird}}
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{{Speciesbox
| name = O{{okina}}ahu moa-nalo
| fossil_range = Holocene
| image = Thambetochen xanion.jpg
| image_caption = Reconstruction of species’ appearance
| genus = Thambetochen
| species = xanion
| authority = Olson & James, 1991
}}
The O{{okina}}ahu moa-nalo (Thambetochen xanion) is one of two species of moa-nalo in the genus Thambetochen. Moa-nalo are a group of extinct, flightless, large goose-like ducks, which evolved in the Hawaiian Islands of the North Pacific Ocean.
Etymology
The specific epithet comes from the Greek xanion (“comb”), referring to the bony, tooth-like projections on the jaws.
File:Thambetochen xanion (1).jpg (back) and rostrum (front); note the lack of a keel on the sternum, and the bony, tooth-like projections on the rostrum.]]
Distribution
The species was described in 1991 from subfossil material collected by Storrs Olson, Helen James, Aki Sinoto and Eric Komori, from Barbers Point on the island of O{{okina}}ahu. Remains of the bird have also been recovered from Ulupau Head on the same island. It was smaller and less robust than its only congener, the Maui Nui large-billed moa-nalo.{{cite journal |author=Olson, Storrs L. |author-link=Storrs Olson |author2=James, Helen F. |author2-link=Helen James |year=1991 |title=Descriptions of thirty-two new species of birds from the Hawaiian Islands: Part I. Non-Passeriformes |journal=Ornithological Monographs |volume=45 |issue=45 |pages=37–38 |url=http://si-pddr.si.edu/jspui/bitstream/10088/1745/2/VZ_234_New_Hawaiian_non-passer.pdf |doi=10.2307/40166794 |jstor=40166794 }}{{Dead link|date=January 2024 |bot=InternetArchiveBot |fix-attempted=yes }}
References
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Category:Late Quaternary prehistoric birds
Category:Extinct birds of Hawaii
Category:Extinct flightless birds
Category:Birds described in 1991
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