What characteristic of the adult aurochs presented an immediate deterrent to most predators across its vast range?

Answer

Sheer scale and immense strength

The sheer scale of the aurochs, particularly the adult bulls' immense strength and stature, forced potential attackers to reconsider the risk versus reward of confrontation.

What characteristic of the adult aurochs presented an immediate deterrent to most predators across its vast range?
Predatoranimalpreyaurochs