20种濒临灭绝奇特物种：半水栖生活的无毛猿(9)

2008-12-09 09:56:11 中华网论坛【大中小】发表评论

    8、沟齿鼠


    外形古怪的沟齿鼠是生活在古巴和希斯帕那拉岛的一种哺乳动物，它们看上去非常可爱温顺，有点儿像超大体型的刺猬。但实际上沟齿鼠却是极具危险的动物，从它的牙齿可以射出类似响尾蛇毒液一样的液体，这种毒液释放方式只存在于哺乳动物之中。沟齿鼠属于一种杂食性动物，它们通常是吃香蕉树落下的叶子，有时也会吃腐烂的动物尸体以及一些昆虫，它是生态系统中至关重要的一支物种。多年以来，科学家都一直以为沟齿鼠已灭绝消失，但2003年科学家发现沟齿鼠仍少数存活着。它们是最濒临灭绝的物种之一。

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