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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.
The overall color of the body is gray to yellowish brown or rusty-colored brown, while the face is gray. The legs are dark gray or rust colored. The top of the tail is black with a few white hairs mixed in while the bottom side of the tail is yellowish orange to a rust color, the hairs on the tip of the tail are white. [3]
Eastern gray squirrels are crepuscular, [24] or more active during the early and late hours of the day, and tend to avoid the heat in the middle of a summer day. [40] They do not hibernate. [41] Eastern gray squirrels can breed twice a year, but younger and less experienced mothers normally have a single litter per year in the spring.
In addition to their many color patterns, the southern fox squirrel is approximately twice the size of a gray squirrel and varies between 20-26 inches in length, with their tail included, and an ...
Kaibab squirrel at Grand Canyon National Park North Rim. Kaibab squirrels usually have a black belly (which is sometimes gray), white tail, tufted ears and chestnut brown back. [3] The tufts on the ears grow longer with age and may extend 1 to 2 inches (2.5 to 5.1 cm) above the ears in the winter, and may not be visible in the summer.
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 timing of Arizona gray squirrel mating correlates with the prime time for flowers, which are a high energy food source for the energetically expensive costs of mating. [4] Because mating is so energetically expensive, optimal reproduction timing is very important to ensure that offspring and parent will survive.
The Mexican gray squirrel (Sciurus aureogaster), from southern Mexico and Guatemala; introduced into the Florida Keys Index of animals with the same common name This page is an index of articles on animal species (or higher taxonomic groups) with the same common name ( vernacular name).