The Sciurus lis, commonly known as the Japanese squirrel, is a small arboreal rodent native to Japan. It has a bushy tail, sharp claws, and a distinctive greyish-brown fur. Known for its agility, it inhabits temperate forests, where it plays a crucial role in seed dispersal.

Sciurus lis, commonly known as the Japanese squirrel, is native to Japan. Its geographical distribution is primarily on the islands of Honshu, Shikoku, and Kyushu.

The Japanese squirrel inhabits temperate forests, which can be either deciduous or mixed forests. These areas typically have a moderate climate with distinct seasons, including warm summers and cold winters. The elevation range where they are commonly found can vary, but they are generally present in forested areas with abundant tree cover.

Sciurus lis plays a crucial role in its ecosystem as a seed disperser, aiding in forest regeneration. It primarily feeds on seeds, nuts, fruits, and occasionally insects. The species is known for its arboreal lifestyle, spending most of its time in trees. The Japanese squirrel is adapted to a life that involves climbing and jumping through the forest canopy, which provides both food resources and protection from predators.