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Použité zdroje

Borowski J., Węgrzynowicz P. (2007): World Catalogue of Bostrichidae (Coleoptera), Mantis

Ferguson-Lees J., Christie D. A. (2006): Raptors of the World, Princeton Field Guides

Newman K., Newman V. (2010): Newman's Birds of Southern Africa, Struik Nature

Stevenson T., Fanshawe J. (2002): The Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi, Princeton Field Guides