犰狳(ㄑㄧㄡˊㄩˊ),是唯一有殼的哺乳動物,生活在中南美洲和美國南部地區。
它們的殼分三部分,前後兩部分有整塊不能伸縮的骨質鱗甲覆蓋,中段的鱗甲成帶狀,
與肌肉連在一起,可以自由伸縮。尾巴和腿上也有鱗片,鱗片之間還長著毛,腹部無鱗片
只有毛。雖然犰狳科動物口中牙齒數量很多,但都很細小。
有沒有犰狳的八卦?
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