The gestation period is 40 days. The average litter size is 3 or 4 (extremes, 2-7). Young flying squirrels weigh 3-5 g (0.1-0.2 oz) at birth, and are pink, blind, and without hair except for short ...

The post New Fossil Confirms That Giant Flying Squirrels The Size Of House Cats Once Leaped Through The Trees Of Ancient North America first on TwistedSifter.

There are about 50 species of flying squirrels ranging across most of North America down into Central America, and stretching from Southeast and Northern Asia into Siberia and Scandinavia.

Apart from these differences, and larger size, the northern flying squirrel resembles the southern. Adults are 250-298 mm (10-11.7 in) in total length, and weigh 75-125 g (2.6-4.4 oz). The range is ...

The northern flying squirrel has a comparatively low reproductive rate for a mammal of its size. LIFE CYCLE: No data is available on the San Bernardino flying squirrel's life span; however, the ...

In addition to flying lemurs and flying squirrels, there are a variety of other flying mammals, including marsupials like the mouse-size feather-tail glider and the sugar glider, which you can ...