 The animals could have been introduced to Sicily by Greek colonists about 700 BC, or in the eighth century AD by Arab invaders.identified the Girgentana with "Capra prisca" and the "Ram in a Thicket" statues excavated at Ur by Leonard Woolley in 1927–28.Leopold Adametz proposed that it is descended, at least in part, from the markhor, "Capra falconeri", a species of Central Asian goat-antelope; the horns are superficially similar, but spiral in opposite directions – the right horn of the Girgentana spirals clockwise from the base (like a corkscrew), while in the markhor it is the left.