Northern birch mouse

Northern birch mouse
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Sminthidae
Genus: Sicista
Species:
S. betulina
Binomial name
Sicista betulina
(Pallas, 1779)

The northern birch mouse (Sicista betulina) is a small rodent about 5 to 8 cm (2.0 to 3.1 in) long (without the tail), weighing 5 to 13 g (0.18 to 0.46 oz). It lives in northern Europe and Asia in forest and marsh zones.

It hibernates in burrows. It eats shoots, grains, berries, and sometimes insects.