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The Arctic ground squirrel typically has a beige-tan pelage with a lightly-spotted backside. Similar to the related prairie dog, it has a shorter face than the typical arboreal squirrels–due to its lifestyle of burrowing–as well as smaller ears, with a dark tail and white markings around the eyes.
Ground squirrel hunting is most successful in September and October, when early snow may impede the rodents' rocky escape routes. In Denali National Park, Arctic ground squirrels represent about 8% of the year-round diet of grizzly bears and are the most consistent source of animal protein for grizzlies there.
The locally abundant ground squirrels have less dramatic population variations and come out of hibernation in mid to late May (shortly after the eagles return from migration). The Alaskan Arctic ground squirrel appears to be eaten supplementally in peak years but then fill the primary niche when the ptarmigan and hare populations crash.
California ground squirrels deviating from a steady diet of nuts, seeds or grains was "shocking," said Jennifer E. Smith, study lead and associate professor of biology at UW-Eau Claire.
Ground squirrels are rodents of the squirrel family that generally live on the ground or in burrows, rather than in trees like the tree squirrels.The term is most often used for the medium-sized ground squirrels, as the larger ones are more commonly known as marmots (genus Marmota) or prairie dogs, while the smaller and less bushy-tailed ground squirrels tend to be known as chipmunks (genus ...
A squirrel with a nut is a common sight, but a squirrel with a bone? Here's what to know about the bone-chewing habit by the forest animal.
Thirteen-lined ground squirrels can survive in hibernation for over six months without food or water and special physiological adaptations allow them to do so. [6] They alternate between torpor bouts of 7 to 10 days when their body temperatures drops to 5-7°C, and interbout arousals of less than 24 hours with their body temperature back to 37 ...
Marmots are large ground squirrels in the genus Marmota, with 15 species living in Asia, Europe, and North America. These herbivores are active during the summer, when they can often be found in groups, but are not seen during the winter, when they hibernate underground. They are the heaviest members of the squirrel family. [1]