Ralph’s Crake (Zapornia ralphorum)  

This species, one of the largest of the many Hawaiian crake species, is known from subfossil remains that were found on the island of O’ahu, Hawaiian Islands, and exclusively at lowland areas near the coast.  

The species probably disappeared as one of the first straight after the arrival of men.  

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References:  

[1] Storrs L. Olson & Helen F. James: Descriptions of thirty-two new species of birds from the Hawaiian Islands: Part I. Non-Passeriformes. In: Ornithological Monographs 45. 1991  

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edited: 20.03.2018