The auroch was the ancestor of modern domestic cows: it probably originated in India between 2 and 1.8 million years ago, at the beginning of the second half of the lower Pleistocene, while the first known remains in Europe date back to the beginning of the Pleistocene. medium (about 800,000 years ago). It was distinguished from domesticated cattle mainly by the size and shape of the horns: it could in fact reach 1.80 meters at the withers; moreover, the horns of the auroch were relatively robust and with a characteristic lyre shape, directed forward with the tip curved upwards, as well as being very long. In winter the aurochs gathered in large herds, while in summer there were herds of only cows with their newborn babies, with the males living separated from them in small groups or individually. They lived mainly in the more open areas of marshy environments and humid forests, where they grazed.