Cave paintings in Europe and North Africa depict wild cattle, the aurochs (Bos primigenius), among the prized prey of Stone Age hunters. These majestic animals stood nearly 2 M at the withers and had horns up to 1 M long. Bulls are usually shown as dark brown or black with cows and calves reddish brown, although white and speckled animals also appear in the paintings (Felius 1985). The aurochs ...