Northern Black Korhaan (Afrotis afraoides) [XC642371]
by Dawie de Swardt from Kareeboombult lodge, Hoopstad, Free State, South Africa (call)
Northern Black Korhaan (Afrotis afraoides) [XC516066]
by Frank Lambert from Faan Meintjes Nature Reserve (near Klerksdorp), Southern DC, North West, South Africa (song)
Subspecies
Southern Black Bustard (Afrotis afra) and Northern Black Bustard (Afrotis afraoides) (Sibley and Monroe 1990, 1993) are retained as separate species contra Dowsett and Forbes-Watson (1993) who include afraoides as a subspecies of Southern Black Bustard (Afrotis afra).
Forms parapatric species pair with Southern Black Bustard (Afrotis afra), with which often considered conspecific. Proposed subspecies mababiensis (north-western Botswana) and kalaharica (Kalahari Desert) nowadays included in etoschae and damarensis respectively.
The following 3 subspecies are recognised:
etoschae (Grote, 1922) - North-western Namibia and northern Botswana.
damarensis Roberts, 1926 - Namibia and central Botswana.
afraoides (Smith, 1831) - South-eastern Botswana through northern and north-eastern South Africa (northern Cape Province, western Transvaal, Orange Free State) to Lesotho.