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Richardson's ground squirrel (Urocitellus richardsonii), also known as the dakrat or flickertail, is a North American ground squirrel in the genus Urocitellus.Like a number of other ground squirrels, they are sometimes called prairie dogs or gophers, though the latter name belongs more strictly to the pocket gophers of family Geomyidae, and the former to members of the genus Cynomys.
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] and could therefore no longer be retained as a single genus.
Richardson's Ground Squirrel or Flickertail, a North American ground squirrel in the genus Urocitellus; North Dakota, nicknamed the "Flickertail State" SS Flickertail State, a crane ship in ready reserve for the United States Navy
A California ground squirrel in Conta Costa County runs with a vole it hunted in its mouth. The images are some of the first documented incidences of carnivorous feeding of voles by squirrels ...
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. "We had ...
The Torrington Gopher Hole Museum, also known as the World Famous Gopher Hole Museum, [1] located in Torrington, Alberta, features 77 stuffed gophers (Richardson's ground squirrels) posed to resemble townspeople in 44 intricately designed dioramas. [2] [3] [4] Roughly 7–10,000 people visit the museum every year. While it is open primarily ...
Shorter burrows are dug as hiding places. This ground squirrel's home range is two to three acres (0.8 to 1.2 ha). Late in life, naturalist John James Audubon made a final expedition to the western plains in search of four-footed mammals. These striped ground squirrels would be tempting prey for many birds, especially hawks and owls.
The latest common ancestor of Douglas ground squirrel and the California ground squirrel has been estimated to have lived approximately 0.725 million years ago, coinciding with the moment when the San Joaquin and Sacramento River started flowing, creating a barrier for gene flow between the populations that would give rise to these two species ...