Aurochs

The European bison (Bison bonasus, / Europaeus), once widely distributed, but now nearly extinct, except where protected in the Lithuanian forests, and perhaps in the Caucasus. It is distinct from the Urus of Caesar, with which it has often been confused.

large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle

European bison having a smaller and higher head than the North American bison