Common shrews are one of only a handful of mammals known to flexibly shrink and regrow their brains. This rare seasonal cycle, known as Dehnel’s phenomenon, has puzzled scientists for decades. How can ...

What can be learned from a shrew — the tiny, furry, high-strung creature that needs to eat the equivalent of its body weight in food every day to survive? More than you might expect, including ...

WASHINGTON (Reuters) - It is not the taming of the shrew, but rather the shrinking of the shrew. Scientists this week described one of nature's most intriguing phenomena, the shrinkage of the skull ...

John Woinarski is a director of the Australian Wildlife Conservancy, a member of the Biodiversity Council, and co-chair of the IUCN Australasian Marsupials and Monotremes Specialist Species Group.