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aurochs, wisent, Bison bonasus | European bison having a smaller and higher head than the North American bison ❲Bison bonasus❳ | |
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aurochs, urus, Bos primigenius | large recently extinct long-horned European wild ox; large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle ❲Bos primigenius❳ |