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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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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Arid land bird populations are in decline around the vicinity of oil and gas wells in Wyoming—but, not for the reasons you might initially think.
Plants & Animals
Dec 14, 2016
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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 ...
Wintry weather means hats and scarves for some mammals, and hibernation for others. Hibernation dramatically lowers body temperatures, heart rates and oxygen consumption—things that would be fatal to other animals. A team ...
Biochemistry
Nov 4, 2015
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15
Dr Heiko Wittmer, a specialist in conservation and restoration ecology, has been collaborating with Dr Andrew Marshall from the University of Michigan to investigate species interactions across different habitats in Borneo's ...
Ecology
Oct 22, 2015
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19
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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9
The Arctic ground squirrel has developed highly specialized adaptations to extreme environments, and it has a lot to teach us about circadian rhythms and biological clocks. This species maintains circadian rhythms throughout ...
Cell & Microbiology
Nov 11, 2014
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1
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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