A researcher says the long-suspected extinction of the mouse-sized mammal is "another stain" on Australia's environmental record.

Australia has lost another native mammal, the Christmas Island shrew, officially declared extinct. This tiny insect-eating ...

A water shrew is a tiny insectivore no bigger than a human thumb. Because of poor eyesight, they must rely on a complex hunting strategy. - [Narrator] Water shrews are the cheetahs of the wetlands.

Hailing from the mountains of Colombia, the new shrews fill in a geographical gap and are among a growing number of species discovered in collections Jack Tamisiea Research zoologist Neal Woodman ...

For more than 100 years, scientists have known about a shrew living in the mountains around Yosemite National Park. California designated it a "species of special concern," but nobody had seen it. For ...