Sciurinae is a subfamily of squirrels, uniting the flying squirrels with certain related tree squirrels. Older sources place the flying squirrels in a separate subfamily (Pteromyinae) and unite all remaining sciurids into the subfamily Sciurinae, but this has been strongly refuted by genetic studies.
The Namdapha flying squirrel is an arboreal, nocturnal flying squirrel endemic to Arunachal Pradesh in northeast India, where it is known from a single specimen collected in Namdapha National Park in 1981. No population estimate is available for B. biswasi, but the known habitat is tall Mesua ferrea jungles, often on hill slopes in the catchment area of Dihing River in northeastern India.
The black flying squirrel or large black flying squirrel is a species of rodent in the family Sciuridae. It is found in Brunei, Indonesia, and Malaysia; its habitat is primary and secondary forests and gardens where it uses tree hollows. It feeds on fruits, nuts and other vegetable matter. It is likely not threatened and is adaptable to habitat loss. Black flying squirrels tend to have smaller populations than other squirrels because female black flying squirrels breed infrequently and have a small litter size of just one young.
Thomas's flying squirrel is a species of rodent in the family Sciuridae. It is one of two species in the genus Aeromys. It is found in Indonesia and Malaysia.
The ear-spot squirrel is a species of rodent in the family Sciuridae. It is endemic to Borneo and is diurnal and active mainly in small trees. It closely resembles the plantain squirrel, but is smaller and with a distinct pale buffy patch behind each ear.
The inornate squirrel is a species of rodent in the family Sciuridae. It is found in China, Laos, and Vietnam.
Phayre's squirrel is a species of rodent in the family Sciuridae. It is found in forests in China and Myanmar.
The Kashmir flying squirrel is a species of rodent in the family Sciuridae. It is monotypic within the genus Eoglaucomys. It is found in Afghanistan, India and Pakistan. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss. The Afghan flying squirrel is usually considered a subspecies.
The Afghan flying squirrel is a subspecies of rodent in the family Sciuridae. It is endemic to Afghanistan.
The Indochinese flying squirrel, also known as Phayre's flying squirrel, is a species of rodent in the family Sciuridae. It is found in China, Laos, Myanmar, Thailand, and Vietnam.
The Indian giant flying squirrel, also called the large brown flying squirrel or the common giant flying squirrel, is a species of rodent in the family Sciuridae. It is capable of gliding flight using a skin membrane stretched between front and hind legs. It is found in mainland Southeast and South Asia, and southern and central China.
The Basilan flying squirrel is a species of rodent in the family Sciuridae. It is endemic to the Philippines. It is often confused with mindanao flying squirrel
The whiskered flying squirrel is a species of flying squirrel. It is found in Indonesia and Malaysia.
Hagen's flying squirrel is a species of rodent in the family Sciuridae. It is endemic to Indonesia.
The Siberut flying squirrel is a species of rodent in the family Sciuridae. It is endemic to Indonesia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
The arrow flying squirrel is a species of flying squirrel. It is endemic to Java and Bangka, Indonesia. The population is unknown as it has only been collected from a few localities. It is nocturnal and arboreal and may be found in primary and secondary forest. It is threatened by forest loss due to logging and agriculture and there are no known conservation actions.
Temminck's flying squirrel is a species of rodent in the family Sciuridae. It is found in Indonesia, Malaysia, Myanmar, and Thailand.
The secretive dwarf squirrel is a species of rodent in the family Sciuridae. It is endemic to Sulawesi, Indonesia, where it is found on the Mengkoka Mountains in southeastern Sulawesi. Its natural habitat is montane forest. It is threatened by habitat loss.
Kloss's squirrel or Kloss squirrel is a species of rodent in the family Sciuridae. It is endemic to northern Sumatra in Indonesia. Population data is insufficient to assess its conservation status according to the IUCN. It is sometimes considered a subspecies of C. notatus.
The Mishmi giant flying squirrel is a species of rodent in the family Sciuridae. First described in 2009 from East Himalayan forests at altitudes of 600–1,600 m (2,000–5,200 ft) in the Mishmi Hills of northeastern Arunachal Pradesh in India, the taxonomic status and position of this giant flying squirrel is not fully resolved.
