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来自维基百科，自由的百科全书
灌木牛（学名：Euceratherium collinum）是已灭绝的北美洲原住牛。
灌木牛是首批进入北美洲的牛科之一。它们约于更新世早期在北美洲出现，比最早的到达的美洲野牛属还要早。它们最终于11500年前灭绝。
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