Wart hog : Either one of two species of large, savage African wild hogs of the genus Phacoch/rus. These animals have a pair of large, rough, fleshy tubercles behind the tusks and second pair behind the eyes. The tusks are large and strong, and both pairs curve upward. The body is scantily covered with bristles, but there is long dorsal mane. The South African species (Phacoch/rus Aethiopicus) is the best known. Called also vlacke vark. The second species (P. Aeliani) is native of the coasts of the Red Sea.

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Taxonomy
Warthog, Phacochoerus africanus, species, tusks, Family Bovidae, predators, piglets, Fauna, free encyclopedia, Somali Warthog, Warthog ivory, Desert Warthog, burrows, subfamily Bovinae, Subspecies, Kingdom, Phylum, the Common.

Defination from the web:
warthog is identifiable by the two pairs of tusks protruding from the mouth, which are used as weapons against predators. ... Each warthog has a pair of teeth in each jaw with the lower teeth being far shorter than the upper teeth. ...