Auroch

That's not an auroch. It's a modern cow.

The truth is, he says, that the first of these skulls is that of an auroch, with no difference which can reasonably be considered as specific; and the second belongs, he conceives, simply to the species of our domestic ox, of which it has all the characters.

Cuvier thus carefully marks the distinctions between the species: “The forehead of the ox is flat and a little concave; —that of the auroch protuberant, although less so than the buffalo's; […]

The next time they darted in at the auroch, Marra nipped at its ear and Pell actually took its jowls in his mouth.