Caucasian Birch Mouse vs Merriam’s Pocket Mouse

Sicista caucasica compared with Perognathus merriami

Key Differences

• Caucasian Birch Mouse is Near Threatened while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Caucasian Birch Mouse	Merriam’s Pocket Mouse
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Dipodidae	Heteromyidae
Genus	Sicista	Perognathus
Species	Sicista caucasica	Perognathus merriami

Evolutionary Relationship

Caucasian Birch Mouse and Merriam’s Pocket Mouse share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Caucasian Birch Mouse

NT — Near Threatened

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Caucasian Birch Mouse	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Caucasian Birch Mouse

The Caucasian Birch Mouse (Sicista caucasica) is a species in the genus Sicista. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.