Ground squirrels spend the end of summer gorging on food, preparing for hibernation. They need to store a lot of energy as fat, which becomes their primary fuel source underground in their hibernation ...

Grey squirrels, or Eastern grey squirrels, primarily live in the Eastern half of the U.S. and southern Canada. There is also a healthy population in the U.K., where they were imported in the 19th ...

The team is led by Dr. Kelly Drew and her students from the University of Alaska. She is a professor of chemistry and biochemistry and was also awarded NASA Space Grant. Over 200 students and faculty ...

The thirteen-lined squirrel, aptly named for the thirteen stripes on its back, spends much of its time above ground dodging angry humans. But for several months of the year, it gets a reprieve: Like ...

COLUMBUS, Ohio - The immune system of ground squirrels essentially shuts down when the animals go into hibernation each winter, according to a new study. When scientists injected hibernating squirrels ...

The thirteen-lined ground squirrel doesn’t drink during its winter hibernation, even though systems throughout its body are crying out for water. Madeleine Junkins and colleagues now show that the ...

Gut microbes give some squirrels a helping hand to stay strong during hibernation. The microorganisms appear to help the squirrels recycle nutrients to keep the rodents’ muscles taut, researchers ...

As the temperature drops and the daylight ebbs, Hannah Carey gets giddy. "This is my favorite time of year," the UW-Madison biologist said. "The magic is happening again." Carey is enchanted by ...

Hibernating ground squirrels stay in shape by recycling urea, the main compound in urine, with the help of their gut microbes. When animals hibernate, they enter a state of suspended animation, ...

A new study from the University of Alaska Fairbanks uncovers how arctic ground squirrels recycle nutrients to stay healthy during their long hibernations. Sarah Rice is the lead author of the paper ...