Q:Tristan (18781897) was a British Thoroughbred racehorse and sire. In a career that lasted from the April 1880 to October 1884 he ran fifty-one times and won twenty-seven races. A useful performer at two and three years old he matured into an outstanding horse in his last three seasons winning important races at distances ranging from six furlongs (the July Cup) to two and a half miles (Ascot Gold Cup) and defeating three winners of the Epsom Derby. 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?
A:
Animal