Chatham Islands Rail

Scientific Name
Gallirallus modestus
Extinct Year
Conservation Status
Extinct (EX)

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Wikipedia Article

The Chatham Rail (Cabalus modestus) is an extinct species of bird in the Rallidae family. It was endemic to New Zealand. Cabalus modestus was endemic to Chatham, Mangere and Pitt Islands, New Zealand. It was first discovered on Mangere in 1871, and 26 specimens collected there are known from museum collections. It became extinct on the island between 1896 and 1900. The species is also known from 19th century bones from Chatham and Pitt Islands. It is likely to have occurred in scrubland and tussock grass.
Its extinction was presumably caused by predation by rats and cats (which were introduced in the 1890s), habitat destruction to provide sheep pasture (which destroyed all of the island's bush and tussock grass by 1900), and from grazing by goats and rabbits. On Chatham and Pitt Islands Olson has suggested that its extinction resulted from competition with the larger Dieffenbach's Rail Gallirallus dieffenbachii (also extinct), but the two species have been shown to have been sympatric on Mangere.