Callosciurus pygerythrus imitator

The tail is usually longer than the body but narrower, and the tip is usually black.

The dorsal surface of the body is dark olive brown. The ventral surface is gray, blue-gray, light red, reddish-gray and light yellow. The sides of the body are gray-brown. The buttocks have light spots. The fur on the dorsal tail is similar to that on the dorsal surface of the body, and the fur on the ventral tail is lighter than that on the dorsal surface of the tail. The tip of the tail is often black. The skull is slightly smaller than that of the red-bellied squirrel. The length of the nasal bone is shorter than the width between the orbits. The rear edge of the frontal bone is straight. The incisor foramen is small. The middle of the rear edge of the frontal bone is slightly convex. The rear edge of the third upper molar exceeds the horizontal line of the rear edge of the frontal bone.

Distributed in Yunnan and Tibet in China. Distributed abroad in India, Nepal, Myanmar, Vietnam, etc.

It inhabits tropical rainforests, monsoon forests, subtropical monsoon evergreen broad-leaved forests and sparse shrubs. It is mostly active on dwarf trees with vines at the edge of the forest. It is also occasionally seen on sparse trees or fences near villages. The altitude of its habitat is generally not more than 1000m.