Timor Buttonquail (Turnix sp.)

This bird is known from several subfossil bones that were found during excavations on the island of Timor, Indonesia; it occurred on that island sympatrically with another buttonquail species, the Red-backed Buttonquail (Turnix maculosus (Temminck)) which is native to parts of Asia as well as Australia.

The remains were dated to an age of about 1372 to 1300 BP. 

The Timor Buttonquail was larger than the other species and probably was endemic to the island or at least to the region, it is now clearly extinct. [1]

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References:

[1] Hanneke J. M. Meijer; Julien Louys; Sue O’Connor: First record of avian extinctions from the Late Pleistocene and Holocene of Timor Leste. Quaternary Science Reviews 203: 170-184. 2019

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edited: 03.10.2020