进化最极端的哺乳动物:凶猛麝香牛已灭绝(1)
据《生命科学》报道,纽约美国自然历史博物馆(AMNH) 将于2009年5月16日举办“有史以来最大、最小和最令人震惊的哺乳动物”展,凶猛的麝香牛、树袋熊、蜜熊等多种奇特的哺乳动物将与参观者近距离接触。以下是其中几个“展品”:
1.凶猛的麝香牛
凶猛的麝香牛
已经灭绝的麝香牛生活在距今780000到11000年前,学名是Bootherium bombifrons,它们是在北美洲发现的生活在更新世时期的4种此类生物之一,现在仅有一种还活在世上。公麝香牛和母麝香牛都长着厚度是4英寸的牛角,交配季节公麝香牛之间为了争夺交配对象发起的战争异常激烈。
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