Pennula millsi Dole, 1878:54



Taxonomy & Nomenclature

Synonyms: Pennula millei Dole, 1878:54; Porzana millsi (Dole, 1878:54); Porzana sandwichensis millsi (Dole, 1878:54)


Conservation Status

Invalid (synonym)


Sometimes considered as a valid subspecies (e.g. Hume & Walters, 2012:103-104), millsi is considered a synonym by (Taylor, 1998), a taxonomic opinion followed here.



Hawaiian Islands, USA


Anatomy & Morphology



Biology & Ecology










Hume, Julian Pender and Walters, Michael. (2012). Extinct Birds. London: T & AD Poyser. 544 pp.

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.

Rothschild, Lionel Walter. (1907). Extinct birds: an attempt to write in one volume a short account of those birds which have become extinct in historical times, that is within the last six or seven hundred years: to which are added a few which still exist, but are on the verge of extinction. London: Hutchinson & Co. XXIX + 243 pp. [p. 137, pl. 26]

Taylor, B. (1998). Rails: a guide to the rails, crakes, gallinules and coots of the world. Pica Press, Robertsbridge, UK.


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