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The California ground squirrel (Otospermophilus beecheyi), also known as the Beechey ground squirrel, [4] is a common and easily observed ground squirrel of the western United States and the Baja California Peninsula; it is common in Oregon and California and its range has relatively recently extended into Washington and northwestern Nevada.
Larger than red squirrels and capable of storing up to four times more fat, gray squirrels are better able to survive winter conditions. They produce more young and can live at higher densities. Gray squirrels also carry the squirrelpox virus, to which red squirrels have no immunity. When an infected gray squirrel introduces squirrelpox to a ...
The western gray squirrel (Sciurus griseus) is a tree squirrel found along the western coast of the United States and Mexico. In some places, this species has also been known as the silver-gray squirrel, the California gray squirrel, the Oregon gray squirrel, the Columbian gray squirrel and the banner-tail.
California ground squirrels of all ages and genders were seen hunting, eating and competing over vole at a local park between June 10 and July 30, but the "carnivorous behavior" peaked during the ...
As part of an ongoing 12-year study of California ground squirrels at Briones Regional Park in Contra Costa County, researchers last summer watched as squirrels began to chase — and eat ...
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 California ground squirrel snacks on a vole in a Bay Area park. The squirrels were observed killing the small rodents last summer (Sonja Wild, UC Davis)
Redstem fialree (Erodium cicutarium) and brome grass (Bromus rubens) are important food items for the squirrels. [5] However, their diet may differ depending on the time of day or time of year. Green vegetation is the most common diet type from December to mid-April because it is the most abundant during this period. [ 3 ]