Thirteen-lined ground squirrels hibernate for more than half of each year. Studying their extreme behavior has yielded biological insights and could lead to biomedical breakthroughs. Credit ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For six to eight months of each year, thirteen-lined ground ...

A team of molecular and physiology specialists at the Yale University School of Medicine has uncovered some of the hibernating secrets of thirteen-lined ground squirrels, and have partly explained ...

The findings include shorter hibernation periods in arctic ground squirrels, as well as differences between male and female hibernation periods. Arctic ground squirrels are unique among mammals.

It’s way more complex than just dropping body temperature.” Dai Pra believes that hibernation is particularly interesting in thirteen-lined ground squirrels, a close relative of chipmunks. During ...

When an animal hibernates, it goes into a state of sleep or minimal activity. Hibernation allows many animals to survive ...

Arctic ground squirrels are found all over Alaska, Siberia and parts of Canada. They hibernate because harsh winters limit their ability to find food for much of the year.

The thirteen-lined ground squirrel hibernates. All three species construct burrow systems and utilize a deeper nesting and hibernation burrow, as well as several shallow escape and refuge burrows.

After eight months of hibernation, Arctic ground squirrels emerge in the spring hungry and ready to mate. Oivind Toien / University of Alaska Fairbanks When winter arrives in northern Alaska ...

Heath conducted X-ray scans that revealed that the frozen hair ball was a young, curled-up Arctic ground squirrel. It likely died in hibernation, possibly during its first year. "We could see that ...

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While a ground squirrel is in hibernation, its respiration slows from 150 to 200 breaths a minute to about one breath every five minutes. Jack Gottschang’s book, "A Guide to the Mammals of Ohio ...