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10 of the World’s Tiniest Mammals (Slideshow)

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2. Etruscan Shrew (Suncus etruscus)

The Etruscan shrew has the smallest mass of any mammal known to mankind, weighing in at an astounding 0.063 ounces (1.8 grams). Since they are so tiny, they have a very fast metabolism, so they need to eat 1.5 to 2 times their body weight each day, which may mean as many as 25 feedings. If they are not asleep or hiding, then they are in constant motion. Their heart rate is 1,511 beats per minute! They live in warm, damp climates scattered throughout Eurasia.

Photo Credit: Trebol-a (Own work) [GFDL or CC-BY-SA-3.0], via Wikimedia Commons

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Molly Allison-Baker

Molly is a nature and travel enthusiast who is passionate about endangered languages, natural history, and women's and LGBT issues. In her free time, she enjoys rock climbing, reading, and hanging out with her three cats.

218 comments

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10:19AM PST on Nov 7, 2014

cute. Thanks for sharing.

8:57AM PDT on Jun 19, 2014

They are all so cute!

1:38PM PDT on May 28, 2014

Thank you for sharing! I had never seen any of them. They are so cute and look so fragile at the same time.

9:08AM PDT on May 28, 2014

New stuff I never put together in ma po lil brain before! You never stop learning!

6:49PM PDT on May 27, 2014

nice

1:03AM PDT on May 25, 2014

Thanks for the pics and info on these ingenious little guys!

2:03PM PDT on Jun 1, 2013

Thank you!

8:01AM PDT on May 29, 2013

so cute,thank you for sharing

1:14PM PDT on May 13, 2013

śliczne zwierzątka, małe jest piękne

9:23AM PST on Feb 12, 2013

thanks, sharing!

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