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根據英國《獨立報》報導,樹獺一生中有90%的時間都吊掛著,但這種動作容易造成內臟移位。英國斯旺西大學(University of Swansea)研究發現,原來是因為牠們的身體臟器緊緊附著在體腔,才不會因為倒立而壓迫內臟。至於樹獺究竟有多「慢活」呢?研究人員稱,牠們可以花上一個月時間消化一片葉子,1分鐘爬約2公尺,1天睡上10小時以上。
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