The Siberian Flying Squirrel (Pteromys volans) is an Old World flying squirrel with a range from the Baltic Sea in the west to the Pacific coast in the east. It is the only species of flying squirrel found in Europe. It is considered vulnerable within the European Union where it is found only in Finland and Estonia.
A female Siberian Flying Squirrel weighs about 150 grams, the males being slightly smaller on average. The body is 13–20 cm long, with a 9–14 cm long flattened tail. The eyes are large and strikingly black. The coat is gray all over, the abdomen being slightly lighter than the back, with a black stripe between the neck and the forelimb. A distinctive feature of flying squirrels is the furry glide membrane or patagium, a flap of skin that stretches between the front and rear legs. By spreading this membrane the flying squirrel may glide from tree to tree across distances of over a hundred meters, and have been known to record a glide ratio of 3.31, but is normally 1-1.5.[2]
The diet of a Siberian Flying Squirrel consists of leaves, seeds, cones, buds, sprouts, nuts, berries and occasionally bird eggs and nestlings. When alder and birch catkins are plentiful, the squirrel may store them for the winter in old woodpecker holes or similar nooks.
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08-03-2011, 04:20 AM
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