When Arctic ground squirrels are getting ready to hibernate they don't just get fat – they pack on muscle at a rate that would make a bodybuilder jealous. And they do it without suffering the harmful effects that high ...
Ecology
Sep 15, 2011
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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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As Alaska's bleak winter sets in, arctic ground squirrels burrow deep into the ground to begin an eight-month-hibernation before popping up again in spring, famished and eager to breed.
Ecology
May 28, 2023
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(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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Snowshoe hare carcasses may provide a vital food source for a wide variety of species in Canada's boreal forest—including lynx, ravens, flying squirrels and even other hares, according to a new study by University of Alberta ...
Plants & Animals
Jul 22, 2020
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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
Members of the Faculty of Biology of the Lomonosov Moscow State University have studied arctic ground squirrels in the Indigirka river basin, and found that their relatives now inhabit Kamchatka. The scientists have shared ...
Evolution
May 12, 2017
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By feeding arctic ground squirrels special diets, researchers have found that omega-3 fatty acids, common in flax seed and fish oil, help keep the animals warmer in deep hibernation.
Plants & Animals
Jan 14, 2021
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When Arctic ground squirrels need to bulk up for winter, they get a boost from an enormous spike in the levels of steroids in their blood. So why doesn't it lead to 'roid rage?
Plants & Animals
Nov 7, 2014
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The squirrels are wary at first. They carefully sniff at the traps set on the chilly ground of Alaska's north slope, suspicious of their sudden arrival. But soon, unable to resist the temptation of the small bits of carrot ...
Earth Sciences
Mar 17, 2015
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