Red-necked buzzard (Buteo auguralis)

Wikipedia eBird Xeno-Canto

Possibly Red-necked buzzards in the desert. 2016-09-07 12.02.46 Namibia
Classification: Genus Hawks (Buteo); Subfamily Buteoninae; Family Accipitridae
General: The red-necked buzzard (Buteo auguralis), also known as the African red-tailed buzzard,[2] is a species of buzzard in the family Accipitridae which is found in western and northern central Africa. [more]

First documented observation : 2016-09-07 in Namibia.