Sharon Heald / Warthog {Phacochoerus aethiopicus} suckling young, Etosha NP, Namibia, January

Anup Shah / Warthog {Phacochoerus aethiopicus} female with young on burnt ground, Masai Mara GR, Kenya

Anup Shah / Warthog {Phacochoerus aethiopicus} female suckling young on burnt ground, Masai Mara GR, Kenya

Anup Shah / Warthog family {Phacochoerus aethiopicus} pair with young on burnt ground, Masai Mara GR, Kenya

John Cancalosi / Common Warthog (Phacochoerus africanus) Africa

Pete Oxford / Warthog (Phacoecerus aethiopicus) drinking at waterhole. Savuti channel, Botswana, Southern Africa

Pete Oxford / Warthog (Phacoecerus aethiopicus) wallowing in mud, Savuti channel, Botswana, Southern-Africa

Pete Oxford / Warthog (Phacoecerus aethiopicus) wallowing in mud beside waterhole. Savuti channel, Botswana, Southern Africa

Pete Oxford / Warthog (Phacoecerus aethiopicus) drinking from a waterhole. Savuti channel, Botswana, Southern Africa

Pete Oxford / Warthog (Phacoecerus aethiopicus) rolling in mud by waterhole. Savuti channel, Botswana, Southern Africa

Nature Production / Babirusa male {Babyrousa babyrussa} Sulawesi, Indonesia

Philippe Clement / Warthog {Phacochoerus aethiopicus}, Kruger NP, South Africa

Anup Shah / Warthog {Phacochoerus aethiopicus} Queen Elizabeth NP, Uganda

Anup Shah / Warthog grazing {Phacochoerus aethiopicus} Queen Elizabeth NP, Uganda

Anup Shah / Warthogs interacting {Phacochoerus aethiopicus} Queen Elizabeth NP, Uganda

Anup Shah / Warthogs resting {Phacochoerus aethiopicus} Queen Elizabeth NP, Uganda

Anup Shah / Warthogs fighting {Phacochoerus aethiopicus} Queen Elizabeth NP, Uganda

WILLIAM OSBORN / Wild boar family group (Sus scrofa) Devon, UK, captive

Richard Du Toit / Warthog portrait {Phacochoerus aethiopicus} Itala GR, South Africa

Anup Shah / Warthog {Phacochoerus aethiopicus} low angle shot, Serengeti NP, Tanzania

Patricio Robles Gil / Warthogs beside remains of a camp fire due to warmth {Phacochoerus aethiopicus} Swaziland

Patricio Robles Gil / Warthog {Phacochoerus aethiopicus} Bale Mountains, Ethiopia

Patricio Robles Gil / Warthog {Phacochoerus aethiopicus} grazing, Bale Mountains, Ethiopia

Jabruson / Warthog portrait {Phacochoerus aethiopicus} Nanyuki, Kenya

Nick Garbutt / Female Warthog {Phacochoerus aethiopicus} kneeling to graze, South Luangwa NP, Zambia

Hanne & Jens Eriksen / Warthog {Phacochoerus aethiopicus} family drinking, Mkuze GR, South Africa

Hermann Brehm / Warthog {Phacochoerus aethiopicus} running with tail up, Botswana

Richard Du Toit / Warthog {Phacochoerus aethiopicus) female with piglets outside burrow, MalaMala GR, South Africa

Richard Du Toit / Warthog {Phacochoerus aethiopicus) female with piglets outside burrow, MalaMala GR, South Africa

Richard Du Toit / Warthog {Phacochoerus aethiopicus) female with piglets outside burrow, MalaMala GR, South Africa

LYNN M. STONE / Domestic pigs, {Sus scrofa domestica} mixed breed feeding on apples, Illinois, USA

Colin Seddon / Domestic pigs indoors sleeping on straw {Sus scrofa domestica} England, UK

Dan Burton / Free range Domestic pigs on pig farm {Sus scrofa domestica} Exeter, Devon, UK

John Cancalosi / Warthog at water {Phacochoerus aethiopicus} Zimbabwe, Southern Africa

Anup Shah / Warthog {Phacochoerus aethiopicus} feeding, Masai Mara reserve, Kenya

Richard Du Toit / Warthog (Phacochoerus aethiopicus) female with piglets, MalaMala GR, South Africa

Richard Du Toit / Warthog {Phacochoerus aethiopicus} pair mating, Chobe NP, Botswana

Anup Shah / Two young Warthogs going head to head {Phacochoerus aethiopicus} Masai Mara NR Kenya

Richard Du Toit / Warthog {Phacochoerus aethiopicus} drinking with red-billed oxpeckers on its back, Chobe NP, Botswana

Richard Du Toit / Close up of Warthog skin and hair {Phacochoerus aethiopicus} South Africa

Richard Du Toit / Warthogs {Phacochoerus aethiopicus} feeding on fresh elephant dung with flock of Ring necked doves in the foreground, Botswana

Richard Du Toit / Warthog {Phacochoerus aethiopicus} female and piglets in burrow, MalaMala, South Africa

GEORGETTE DOUWMA / Domestic pig, Tamworth / Bluespot {Sus scrofa domestica} Woodland, England, UK

GEORGETTE DOUWMA / Young domestic pig (Tamworth/Bluespot) (Sus scrofa domestica). England, UK, Europe

Laurent Geslin / Skull and teeth of Warthog (Phacochoerus aethiopicus)

Onne van der Wal / Family of warthogs (Phacochoerus africanus), Motswari private game reserve, northern South Africa.

Nature Production / Warthog {Phacochoerus aethiopicus} adult and young, Masai Mara National Reserve, Kenya

Rod Williams / Babirusa {Babirusa babirusa} male sitting down. Captive. Indonesia.

Jabruson / A tracking shot of a Giant forest hog (Hylochoerus meinertzhageni) group foraging for food in a rainforest clearing. In the foreground a Hamerkop (Scopus umbretta) can be seen following the hogs. Odz...

Jabruson / A group of Giant forest hogs (Hylochoerus meinertzhageni) foraging for food in a rainforest clearing. The camera zooms out to show the group foraging together. In the foreground a Hamerkop (Scopus umb...

Jabruson / Giant forest hogs (Hylochoerus meinertzhageni) feeding in rainforest clearing. Near the riverbank, a Western lowland gorilla (Gorilla gorilla gorilla) can be seen drinking from the river. Odzala-Kokou...