basis of recordUrban, E. K.; Fry, C. H.; Keith, S. (1986). The Birds of Africa, Volume II. Academic Press, London.[details]
Other
additional sourceNeave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. [Online Nomenclator Zoologicus at Checklistbank. Ubio link has gone]., available online athttps://www.checklistbank.org/dataset/126539/about[details]