The black giant squirrel is a large, tree-dwelling squirrel of forests in South and Southeast Asia. Its dark coat, pale chest marking and long tail are distinctive.
The coat is black, with a tan to pale marking on the chest. The very long tail may have a tan-colored tip.
It is active by day and is usually seen alone. It nests high in trees; pairs or small groups may occur during the breeding season.
An extinction-risk assessment has not been added yet.