Callosciurus is a genus of squirrels collectively referred to as the "beautiful squirrels". They are found mainly in Southeast Asia, though a few species also occur in Nepal, northeastern India, Bangladesh and southern China. Several of the species have settled on islands. In total, the genus contains 15 species and numerous varieties and subspecies. The genera Glyphotes, Rubrisciurus, and Tamiops have sometimes been included in Callosciurus.
The groove-toothed flying squirrel or North Chinese flying squirrel is a species of rodent in the family Sciuridae. It is considered monotypic within the genus Aeretes. It is endemic to China, and occurs in Sichuan, Gansu, Hebei, and Beijing. Its natural habitat is temperate forests.
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 Barbary ground squirrel is a species of rodent in the family Sciuridae. It is monotypic within the genus Atlantoxerus. It is endemic to the Atlas mountains in Morocco and some parts in Algeria, and has been introduced into the Canary Islands. Its natural habitats are subtropical or tropical dry shrubland, temperate grassland and rocky areas where it lives colonially in burrows. It was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae.
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 Kinabalu squirrel is a species of rodent in the family Sciuridae. It is endemic to highland forest in East Malaysia. Its name is a reference to Mount Kinabalu, though it is not restricted to this mountain. Its tail and upperparts are grizzled blackish, the underparts are reddish-orange, and the flanks have a narrow buff stripe with a broader black stripe below.
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 tufted pygmy squirrel is a species of rodent in the family Sciuridae. It is endemic to highland forest in Borneo. The common name of this tiny squirrel refers to its distinctive ear-tufts. Its diet consists mainly of the lichens and mosses which cover the trees it inhabits.
The montane long-nosed squirrel is a species of rodent in the family Sciuridae. It is endemic to central Sulawesi, Indonesia. Its natural habitat is subtropical or tropical dry lowland grassland. It was discovered during a 1930 expedition led by Gerd Heinrich.
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 the mindanao flying squirrel.
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.
The shrew-faced squirrel, also known as the long-nosed squirrel, is a species of rodent in the family Sciuridae. It is monotypic within the genus Rhinosciurus. It is found in forests in Peninsular Malaysia, Singapore, Sumatra and Borneo. This peculiar, terrestrial squirrel mainly feeds on insects and earthworms. It quite closely resembles a Tupaia treeshrew in appearance, but the shrew-faced squirrel can be recognized by its shorter gape, and shorter and more bushy tail.
Brooke's squirrel is a species of rodent in the family Sciuridae. It is found in Indonesia and Malaysia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss. It was named for Charles Brooke, the second White Rajah of Sarawak by Oldfield Thomas from a specimen collected by Charles Hose on Mt Dulit.
The Mindanao squirrel is a species of rodent in the family Sciuridae. It is endemic to the Philippines.
The Philippine tree squirrel is a species of rodent in the family Sciuridae which is endemic to the Philippines.
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.
