Collar, Nigel J., and Guy M. Kirwan. “The Generic Position of the Nubian Bustard Neotis nuba (Cretzschmar, 1826) (Aves: Otididae)”. Zootaxa 5315, no. 2 (July 7, 2023): 122–130. Accessed April 4, 2025. https://mapress.com/zt/article/view/zootaxa.5315.2.2.