Given the limited number of Biswamoyopterus in existence, no one knows the extent of their ranges. The red and white giant flying squirrel (Petaurista alborufus) is a species of flying squirrel, endemic to central and southern China as well as Taiwan.. These flying squirrels have dark red colouring, large eyes and long slender tail. The Red giant flying squirrel is a large species of flying squirrel. The largest of the giant squirrels, the species measures in at more than 3 ft (0.9 m) from head to tail, with estimates of over a meter long also on the books. They have a membrane of skin between their legs and arms, which is used to glide between trees. Other giant flying squirrels, like the red giant variety, range from Afghanistan to the islands of Southeast Asia. The Bhutan giant flying squirrel is one of the largest flying squirrels with a head-and-body length of about 35–69 cm (1 ft 2 in–2 ft 3 in), a tail length of 38–61.5 cm (1 ft 3 in–2 ft 0 in) and a total length of up to c. 127 cm (4 ft 2 in).

The body measures roughly 18 in (45.7 cm), and the tail averages about 24 in (61 cm) in length. The Laotian Giant Flying Squirrel indeed ranks as a giant among similar species.

It also has a rather astonishing overall length of roughly 42 in (1.1 m). The other is the Namdapha flying squirrel, which is known by a single specimen collected in 1981 from northeast India.

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).
There are some variations in the proportions; some individuals have a longer tail than the head-and-body, but it is shorter in others. Laotian Giant Flying Squirrel Physical Description.

Distribution, appearance and taxonomy. Squirrels with no fur on their tails: No fur upon thurs 10 Replies Earlier this spring as I stood at my sink washing dishes, I saw something that made me stop in the middle of a sudsy scrub of a potato pot: a creature in my back yard that looked suspiciously like a rat .

The Japanese giant flying squirrel (ムササビ, musasabi, Petaurista leucogenys) is a species of flying squirrel, one of the giant flying squirrels in the genus Petaurista.It is native to Japan where it inhabits sub-alpine forests and boreal evergreen forests on Honshu, Shikoku and Kyushu islands.

The red giant flying squirrel is among the largest flying squirrels and longest squirrels.