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Which wild bovid was the ancestor of domestic cattle?
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bovid
American bison, or plains buffalo (Bison bison).
The wild bovid that is considered the ancestor of domestic cattle is the aurochs (Bos primigenius).1
The aurochs was an extinct wild ox native to Europe that stood approximately 1.8 meters (6 feet) tall at the shoulder and possessed large, forward-curving horns. While the species survived in central Poland until 1627, it is widely recognized as the progenitor from which modern cattle are descended.1