(en) Andrew Smith, 1838. Illustrations of the zoology of South Africa. Published under the authority of the lords commissioners of Her Majesty's Treasury. by Smith, Elder and co. in London. full text. Gearchiveerd op 18 januari 2021.
web.archive.org
(en) Andrew Smith, 1838. Illustrations of the zoology of South Africa. Published under the authority of the lords commissioners of Her Majesty's Treasury. by Smith, Elder and co. in London. full text. Gearchiveerd op 18 januari 2021.
worldbirdnames.org
(en) Gill, F, D Donsker, and P Rasmussen (Eds). 2023. IOC World Bird List (v 13.1). Doi 10.14344/IOC.ML.13.1. [1]
