The Black-tailed Thallomys is an arboreal rodent with a black tail, living in dry Acacia savanna.
Its tail is black, and it is arboreal, using trees as its main habitat.
It builds large nests in tree hollows or branch forks and is active at night. It mainly eats new Acacia leaves, twigs, and pods.
An extinction-risk assessment has not been added yet.