Given the question: Metridiochoerus is an extinct genus of pig indigenous to the Pliocene and Pleistocene of Africa. It is also known as the Giant Warthog. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Animal