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进化最极端的哺乳动物:凶猛麝香牛已灭绝(5)
2009-05-13 09:41:37 中华网论坛 发表评论
    

    5.穿山甲

进化最极端的哺乳动物:凶猛麝香牛已灭绝

穿山甲

    中国穿山甲的学名是Manis pentadactyla,这种濒临灭绝的穿山甲原产于中亚和东南亚的森林和草原,它们身上披着由角蛋白构成的鳞甲。如果受到惊吓,这些穿山甲就会拱起身体,利用皮肤里强劲的肌肉把身上的鳞片伸展开,使它们看起来像一把把锋利的刀片。遇到危险情况喷洒难闻液体并不是中国穿山甲特有的防御手段,臭鼬、穿山甲等遇到威胁时,都会向攻击者喷洒难闻的液体。图片中的这个标本将在纽约美国自然历史博物馆(AMNH)举行的“极端哺乳动物”展上进行展览。



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