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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.
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]
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 ...
Urocitellus is a genus of ground squirrels.They were previously believed to belong to the much larger genus Spermophilus, but DNA sequencing of the cytochrome b gene showed that this group was paraphyletic to the prairie dogs and marmots, [2] [3] and could therefore no longer be retained as a single genus.
American red squirrel, Tamiasciurus hudsonicus, coniferous forests E W; Richardson's ground squirrel, Spermophilus richardsonii, grasslands, E R; Thirteen-lined ground squirrel, Spermophilus tridecemlineatus, grasslands, E R; Columbian ground squirrel, Spermophilus columbianus, open woodlands, grasslands, alpine meadows, E W A
An Arctic ground squirrel burrow that has been excavated by a hunting barren-ground grizzly bear. A perhaps surprisingly high balance of mammalian foods consists of rodents or similar smallish mammals, as about half of the species consumed by brown bears weigh less than 10 kg (22 lb) on average.
Arctic ground squirrel (ᓯᒃᓯᒃ, siksik) Spermophilus parryii [2] [1] Red squirrel (ᐊᐅᐸᖅᑐᖅ ᓯᒃᓯᐅᔭᖅ) Tamiasciurus hudsonicus [2]