Forest partridges (''Xenoperdix'' sp.) are partridges, described only in 1994, consists of two

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of African

partridge A partridge is a medium-sized galliform bird in any of several genera, with a wide native distribution throughout parts of Europe, Asia and Africa. Several species have been introduced to the Americas. They are sometimes grouped in the Perdic ...

s that are most closely related to

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...

hill partridge The common hill partridge, necklaced hill partridge, or simply hill partridge (''Arborophila torqueola'') is a species of bird in the pheasant family found in Asia. Description Males of the species have ornate patterns and markings, a combina ...

s. Both species have boldly barred plumage and a red

bill Bill(s) may refer to: Common meanings * Banknote, paper cash (especially in the United States) * Bill (law), a proposed law put before a legislature * Invoice, commercial document issued by a seller to a buyer * Bill, a bird or animal's beak Plac ...

. ''Xenoperdix'' are found only in forests of the

Udzungwa Mountains The Udzungwa Mountains are a mountain range in south-central Tanzania. The mountains are mostly within Iringa Region, south of Tanzania's capital Dodoma. The Udzungwa Mountains are part of the Eastern Arc Mountains, and are home to a biodiverse ...

and the Rubeho Highlands of

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands ...

. While the genus was previously believed to be

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

(only containing ''Xenoperdix udzungwensis''), the Rubeho population was recognized as a distinct species following a review of its molecular and morphological characteristics.

Species

* Rubeho forest partridge, ''Xenoperdix obscuratus'' * Udzungwa forest partridge, ''Xenoperdix udzungwensis''

References

Dinesen, L., Lehmberg, T., Svendsen, J.O., Hansen, L.A., Fjeldså, J. 1994. A new genus and species of perdicine bird (Phasianidae, Perdicini) from Tanzania; a relict form with Indo-Malayan affinities. Ibis 136: 2-11.{{Taxonbar, from=Q135464 Bird genera