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The northern flying squirrel (Glaucomys sabrinus) is one of three species of the genus Glaucomys, the only flying squirrels found in North America. [2] [3] They are found in coniferous and mixed coniferous forests across much of Canada, from Alaska to Nova Scotia, and south to the mountains of North Carolina and west to Utah in the United States.
The life expectancy of flying squirrels in the wild is about six years, and flying squirrels can live up to fifteen years in zoos. The mortality rate in young flying squirrels is high because of predators and diseases. Predators of flying squirrels include tree snakes, raccoons, owls, martens, fishers, coyotes, bobcats, and feral cats. [3]
The red giant flying squirrel is among the largest flying squirrels and longest squirrels. It has a head–and–body length of 28.5–55 cm (11 in – 1 ft 9.5 in), tail length of 34–63 cm (1 ft 1.5 in – 2 ft 1 in) and weighs about 990–3,200 g (2.2–7.1 lb).
Exposure to southern flying squirrels has been linked to cases of epidemic typhus in humans. [6] Typhus spread by flying squirrels is known as "sylvatic typhus" and the Centers for Disease Control and Prevention has documented a total of 39 such cases in the U.S. from 1976 to 2001. [7]
The red and white giant flying squirrel (Petaurista alborufus) is a species of rodent in the family Sciuridae.It is a very large, dark rufous-red, buff and white flying squirrel found in forests at altitudes of 800–3,500 m (2,600–11,500 ft) in mainland China and 1,200–3,750 m (3,940–12,300 ft) in Taiwan, although the population of the latter island is distinctive and likely better ...
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4.1 Squirrels. 4.2 Mountain beavers. ... Northern flying squirrel (Gluacomys sabrinus) Yellow-bellied marmot ... Mobile view; Search.
Two squirrels in the entrance of a drey. Male and female squirrels may share the same nest for short times during a breeding season, and during cold winter spells squirrels may share a drey to stay warm. However, females nest alone when pregnant. In North America, squirrels produce broods of about three "pups" twice a year.