New research shows how the Eurasian common shrew (Sorex araneus) changes its brain and bodily size throughout the year. The study, published online in eLife, reveals how changes in gene expression ...

They are actually more closely related to hedgehogs and moles. There are 487 known shrew species, and they are found almost all over the world except for Australia, New Zealand, and the polar regions.

This slender-bodied, slate gray insectivore named for its long tail or habitat, depending on which common name one chooses, holds center stage among some small mammal specialists. ... Overall length ...

Not the common shrew. To survive the colder months, the animal eats away at its own brain, reducing the organ by as much as a fourth, only to regrow much of brain matter in the spring.

The western pygmy shrew is the smallest mammal found in Montana. They live in the northwest and northeast corners of the state. Measuring only about 2- to 4-inches long, including their tail, the ...

The masked shrew or common shrew (Sorex cinereus) is the most widely distributed shrew found in North America and the common shrew (Sorex araneus) is commonly found in the U.K.