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11 of the smallest mammals in the world

By: Bryan Nelson on Nov. 17, 2010, 10:18 a.m.
American shrew moles

Photo: V.B. Scheffer/American Society of Mammalogists

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American shrew moles

The smallest species of mole in the world is the American shrew mole, a tiny mammal measuring under 5 centimeters and weighing only about 10 grams.

Found in the U.S. Northwest and Canada's British Columbia, these adorable underground dwellers have smaller front paws than most other moles, a trait that is similar to a shrew.