No larger than a human thumb and lighter than a penny, the Etruscan shrew (Suncus etruscus), also known as the Etruscan pygmy ...

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Etruscan shrews are 20 times lighter than the average adult mouse. They have a body length of about 4 cm excluding the tail ...

Adults weigh 3-6.5 g (0.11-0.23 oz.). The masked shrew is intermediate in size between the smaller, more slender pygmy shrew and the larger, stockier smoky shrew. The masked shrew has the largest ...

Newly published research shows that the masked shrew, a small, mole-like mammal found in the Appalachian Mountains, shrinks its body and braincase to conserve energy during winter months.