When bears and ground squirrels hibernate in winter, they stop eating, lasting until spring simply on the fat reserves they've stored up in their bodies. Usually, this sort of prolonged fasting and inactivity would significantly ...
Plants & Animals
Jan 27, 2022
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374
Arctic ground squirrels are unique among mammals. Their ability to keep from freezing even when body temperatures dip below that mark on the thermometer enables them to survive extreme winter climates. New research published ...
Plants & Animals
May 25, 2023
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68
Ground squirrels have few natural defenses against predators, so they rely on an early warning system to identify threats and alert others to run for cover.
Plants & Animals
Oct 29, 2021
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61
Humans acknowledge that personality goes a long way, at least for our species. But scientists have been more hesitant to ascribe personality—defined as consistent behavior over time—to other animals.
Plants & Animals
Sep 10, 2021
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528
By studying the body chemistry of hibernating Arctic ground squirrels, researchers have found that the animals are able to recycle their body's own nutrients to survive during a long, inactive winter.
Plants & Animals
Dec 7, 2020
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243
Researchers at the National Eye Institute have discovered cellular mechanisms that help the 13-lined ground squirrel survive hibernation. Their findings could be a step to extending storage of human donor tissues awaiting ...
Cell & Microbiology
May 7, 2018
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20
The ground squirrel and the Syrian hamster, two rodents that hibernate in the winter, do not feel cold in the same way as non-hibernators, such as rats or mice. Yale researchers have discovered that hibernating rodents evolved ...
Evolution
Dec 19, 2017
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218
Ground squirrels use information on the position of the sun when hiding their food and reuse this information to find their food stash again. The position of the sun serves as a reference point for the animals, which live ...
Plants & Animals
Sep 12, 2016
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406
(Phys.org)—A pair of researchers, one with the University of Maryland, the other the University of Tulsa, has found that white-tailed prairie dogs living on the North American prairie, sometimes kill ground squirrels that ...
(Phys.org) —Saving energy is crucial to the survival of animals living in the cold regions of the world. A small marmot-like rodent from the Arctic is world champion when it comes to energy saving. According to Jun Yan ...
Plants & Animals
May 12, 2014
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