Warthogs @ National Geographic Kids
http://www.nationalgeographic.com/kids/creature_feature/0106/warthogs.html

Warthog Babies
http://www.honoluluzoo.org/wart_hog.htm

Warthogs @ Enchanted Learning
http://www.enchantedlearning.com/subjects/mammals/swine/Warthogprintout.shtml

Animal Bytes
http://www.sandiegozoo.org/animalbytes/t-warthog.html

Warthogs @ African Wildlife Foundation
http://www.awf.org/wildlives/153 

Warthogs @ Animal Diversity Web
http://animaldiversity.ummz.umich.edu/site/accounts/information/Phacochoerus_aethiopicus.html

Warthog Factsheet
http://www.yptenc.org.uk/docs/factsheets/animal_facts/warthog.html