Severtzov’s birch mouse occurs in eastern European steppe and is described as active at dusk and hibernating in a burrow.
It has a dark stripe along the back, a head-and-body length under 9 cm, and a tail longer than its body.
It occupies undisturbed steppe, ravine slopes, and steppe scrub. It hibernates in burrows, is active at dusk, and feeds mainly on insects and steppe-plant seeds, as well as berries and fruits.
An extinction-risk assessment has not been added yet.