When winter sets in and food becomes scarce, some mammals hibernate, entering a state of deep rest that slashes their energy needs and allows them to fast for months. However, fasting deprives them of ...

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 ...

Ground squirrels are wary and shy animals, but it is possible to observe three different species in our Northcentral Texas and Southwestern Oklahoma region. One species is more likely to be sighted ...

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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Winter, when the days are dark and short, is ...

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