They are pigs who live in open and semi-open habitats, even in quite arid regions, in sub-Saharan Africa.

[2] Although covered in bristly hairs, a warthog's body and head appear largely bare, from a distance, with only a crest of hair along the back and the tufts on the face and tail being obvious.

The English name "wart"-hog refers to their facial wattles, which are particularly distinct in males.

[3] They are largely herbivorous, but, like most suids, opportunistically eat invertebrates or small animals, even scavenging on carrion.

[4] While both species remain fairly common and widespread, and considered to be of Least Concern by the IUCN, the nominate subspecies of desert warthog, commonly known as the Cape warthog (P. a. aethiopicus) was extinct by around 1865.