Cataselló J. R. (2016): Bovids of the World, Princeton University Press
Ferguson-Lees J., Christie D. A. (2006): Raptors of the World, Princeton Field Guides
fotolulu: Alle Säugetiere der Welt: Die komplette Checkliste aller Arten und Unterarten
Newman K., Newman V. (2010): Newman's Birds of Southern Africa, Struik Nature
Patel S., Singh R. (2016): Updated Checklist and Distribution of Mantidae (Mantodea : Insecta) of the World, International Journal of Research Studies in Zoology (IJRSZ) Volume 2, Issue 4, 17-54
Schröpel M. (2012): Bildatlas der Primaten: Trockennasenprimaten, Books on Demand GmbH, Norderstedt
Stevenson T., Fanshawe J. (2002): The Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi, Princeton Field Guides