Robinson, Terence J. & Matthee, Conrad A. (1999). «Molecular genetic relationships of the extinct ostrich, Struthio camelus syriacus: consequences for ostrich introductions into Saudi Arabia». Animal Conservation2 (3): 165–171. doi:10.1111/j.1469-1795.1999.tb00062.x.
del Hoyo, J., Collar, N. & Garcia, E.F.J. (2017) Somali Ostrich (Struthio molybdophanes) I: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2016). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. Henta den 1. oktober 2017