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A western gray squirrel eating pine seeds from a pine cone. Squirrel nests are called dreys and can be seen in trees, built from sticks and leaves wrapped with long strands of grass. There are two stick nest types made by the western gray squirrel: the first is a large, round, covered shelter nest for winter use, birthing, and rearing young.
The Douglas squirrel (Tamiasciurus douglasii) is a pine squirrel found in western North America, from the Pacific Northwest (including the northwestern coastal states of the United States as well as the southwestern coast of British Columbia in Canada) to central California, with an isolated subspecies in northern Baja California, Mexico.
The Douglas squirrel is morphologically similar to the American red squirrels, but has a rust-colored venter and is restricted to the southwestern coast of British Columbia and in the Pacific Northwest of the United States. The ranges of the American red squirrel and the Douglas squirrel overlap in southern British Columbia, northwestern ...
The western gray squirrel, white-footed mouse, voles, jackrabbits, mourning dove, and sparrows compete for food with Douglas ground squirrels. Which other species share burrow systems with Douglas ground squirrels has not been studied in detail, but at least burrowing owls have been observed to use uninhabited burrows. [1]
The species is the largest tree squirrel in the state. It’s being threatened by climate change, habitat loss and frequent disease outbreaks. Gray squirrel may become endangered species in WA.
Animals that may be found in this zone include the dark-eyed junco, mountain chickadee, western gray squirrel, mule deer, and American black bear. [4] The endangered Yosemite toad is found in montane forests of the central Sierra Nevada, at elevations of 4,790 to 11,910 feet (1,460 to 3,630 m). [8]
The southern fox squirrel (Sciurus niger niger) is a close relative of the gray squirrel, which is one of the most common squirrel species in the country, and is considered to be the most variably ...
Eastern gray squirrel, Sciurus carolinensis introduced [5] Western gray squirrel, Sciurus griseus; Fox squirrel, Sciurus niger; Douglas squirrel, Tamiasciurus douglasii; American red squirrel, Tamiasciurus hudsonicus; Hoary marmot, Marmota caligata; Yellow-bellied marmot, Marmota flaviventris; Olympic marmot, Marmota olympus