Porzana cinerea brevipes Ingram, 1911:21

Iwo Jima rail, Iwo-jima rail, Sulphur Island ashy crake, mamijiro kuina



Taxonomy & Nomenclature

Synonym/s: Poliolimnas cinereus brevipes Ingram, 1911:21


Considered invalid by (Dickinson, 2003).


Conservation Status

Invalid (synonym)

Last record: 1911 (specimen collected); 1924 (possible sighting by Momiyama, 1930); 1925 (Knox & Walters, 1994:111)



Iwo Jima (=Sulphur Island) (& San Augustino Island)?, Japan


Biology & Ecology










Original scientific description:

Ingram, Collingwood. (1911). "a new subspecies of Rail belonging to the genus Porzana". Bulletin of the British Ornithologists' Club 29: 21-22.


Other references:

Day, David. (1981). The Doomsday Book of Animals: A Natural History of Vanished Species. New York, N.Y.: The Viking Press.

Dickinson, E. C. (ed.). (2003). The Howard and Moore Complete Checklist of the Birds of the World. London: Christopher Helm.

Hume, Julian Pender and Walters, Michael. (2012). Extinct Birds. London: T & AD Poyser.

Knox, Alan G. and Walters, Michael P. (1994). Extinct and endangered birds in the collections of The Natural History Museum. British Ornithologists' Club Occasional Publications 1: 1-292.

Momiyama, T. T. (1930). On the birds of Bonin and the Iwo-Islands. Bulletin of the Biogeographical Society, Japan 1: 89-186.


<< Back to the Gruiformes (Crakes, Cranes, Fluftails, Gallinues, Limpkins, Rails, Trumpeters, Wood-rails, etc.) database