Citellus Parryi, commonly known as the Arctic ground squirrel, is a burrowing rodent found in the Arctic and the tundra regions of North America. This species of squirrel is known for storing food in their burrows during the winter months, allowing them to survive harsh climates. The Arctic ground squirrel is also regularly preyed upon by larger carnivorous animals. There are several synonyms for Citellus Parryi, including Spermophilus parryii, Citellus parryi kennicotti, and Citellus parryi xanthopygus. Despite different names, all these synonyms represent the same species of Arctic ground squirrel. Understanding the various synonyms for a species is important in categorizing and studying biodiversity.