Hackett et al.: A Phylogenomic Study of Birds Reveals Their Evolutionary History. Science 27 June 2008: Vol. 320. no. 5884, pp. 1763–1768 doi:10.1126/science.1157704
Erich D. Jarvis et al.: Whole-genome analyses resolve early branches in the tree of life of modern birds. 12. Dezember 2014, science • Band 346, Ausgabe 6215, doi:10.1126/science.1253451
Nigel J. Collar u. Guy M. Kirwan: The generic position of the Nubian Bustard Neotis nuba (Cretzschmar, 1826) (Aves: Otididae). Zootaxa, Band 5315, Nr. 2: 7. Juli 2023, DOI: 10.11646/ZOOTAXA.5315.2.2