About Exilisciurus exilis (Müller, 1838)
The least pygmy squirrel, which has the scientific name Exilisciurus exilis, is also commonly called the plain pygmy squirrel. It is a species of rodent that belongs to the squirrel family Sciuridae. This species is a plain olive-brown squirrel, and it is endemic to forests on the Southeast Asian islands of Borneo, Sumatra, and Banggi. Most of its range lies below an altitude of 750 m (2,500 ft), though it can be found at significantly higher elevations in local areas. Along with the African pygmy squirrel, the least pygmy squirrel is the smallest squirrel species in the world. Individuals of this species have a total length of 10–14 cm (3.9–5.5 in) and a weight of 12–26 g (0.42–0.92 oz).