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Sources
- "Bothma, J. Du P.; Rooyen, Noel Van; and Toit, J.G. Du. "Antelope and other smaller herbivores." (Sept. 15, 2008)http://bigfive.jl.co.za/pdf_files/ch17.pdf
- Kirkpatrick, Jennifer. "Warthogs." National Geographic Kids. 2008. (Sept. 15, 2008)http://kids.nationalgeographic.com/Animals/CreatureFeature/Warthog
- "Mammals: Warthog." San Diego Zoo. 2008. (Sept. 15, 2008)http://www.sandiegozoo.org/animalbytes/t-warthog.html
- "Warthog." African Wildlife Foundation. (Sept. 15, 2008)http://www.awf.org/content/wildlife/detail/warthog
- "Warthog." National Geographic. (Sept. 15, 2008)http://animals.nationalgeographic.com/animals/mammals/warthog.html