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#3 – The Smallest Etruscan Shrew

World's smallest mammal!

10 Smallest Animals In the World - Part 2!

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This is the lightest known mammal. It weighs 1.8 grams (about 0.063 oz). Despite a small size, this shrew has an insatiable appetite. This is because Etruscan Shrew has extremely fast heart beating rate - 25 beats/s.

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