Altai Birch Mouse vs Pallas's squirrel, Red-bellied tree squirrel

Sicista napaea compared with Callosciurus erythraeus

Key Differences

• Altai Birch Mouse is Least Concern while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Altai Birch Mouse	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Dipodidae	Sciuridae (Squirrels)
Genus	Sicista	Callosciurus
Species	Sicista napaea	Callosciurus erythraeus

Evolutionary Relationship

Altai Birch Mouse and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Altai Birch Mouse

LC — Least Concern

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Altai Birch Mouse	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pallas's squirrel, Red-bellied tree squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and South America (Argentina).

Altai Birch Mouse

The Altai Birch Mouse (Sicista napaea) is a species in the genus Sicista. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.