The aurochs (Bos primigenius; or ; pl.: aurochs or aurochsen) is an extinct species of bovine, considered to be the wild ancestor of modern domestic cattle. With a shoulder height of up to 1.8 m (5 ft 11 in) in bulls and 1.55 m (5 ft 1 in) in cows, it was one of the largest herbivores in the Holocene; it had massive elongated and broad horns...
