J. F. Gmelin, 1789,
Molecular data indicate a sister relationship with Ptilopachus (formerly Francolinus) nahani and that these two form a clade sister to the New World quails#R, while previously unrecognized vocal and behavioral similarities between P. petrosus and P. nahani support the genetic data, and indicate that these two species should be treated together as the subfamily Ptilopachinae, within the Odontophoridae#R. Proposed races saturatior (N Cameroon), brehmi (NC Sudan), butleri (W South Sudan), emini (NW Uganda) and florentiae (Kenya) probably represent stages of clinal variation#R (birds from more arid areas tending to be paler and more rufous#R), and are normally included within nominate. Two subspecies recognized.
Food and feeding
Status and conservation
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