Ua Huka rail
Temporal range: Late Holocene
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Gruiformes
Family: Rallidae
Genus: Gallirallus
Species:
†G. gracilitibia
Binomial name
†Gallirallus gracilitibia
Kirchman & Steadman, 2007[1]

The Ua Huka rail (Gallirallus gracilitibia) is an extinct species of flightless bird in the Rallidae, or rail family.

History

It was described in 2007 from subfossil remains collected in 1965 by anthropologist Yosihiko H. Sinoto and colleagues at the Hane Dune archaeological site, on the island of Ua Huka in the Marquesas Islands of French Polynesia. The site dates to about 1350 yr BP, from the early period of human settlement of the island.[1]

Etymology

The specific epithet comes from the Latin gracilis (slender) and tibia (shinbone), referring to a diagnostic character of the material from which the species was described.[1]

Description

The Ua Huka rail was a small to medium-sized rail, similar to the buff-banded rail (Hypotaenidia philippensis) but with reduced wings and an extremely thin shaft of the tibiotarsus - perhaps the thinnest among all rail species, volant or flightless. The reasons behind this feature are unclear.[2]

References

  1. 1 2 3 4 Kirchman, Jeremy J. & Steadman, David. (2007). "New species of extinct rails (Aves: Rallidae) from archaeological sites in the Marquesas Islands, French Polynesia". Pacific Science. 61 (1): 145–163. doi:10.1353/psc.2007.0008. hdl:10125/22605. S2CID 86793953. Archived from the original on 2014-06-11.(subscription required)
  2. ↑ Hume, J.P. (2017) Extinct Birds. Bloomsbury Publishing, 560 pages.


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