Caucasian Birch Mouse vs Round Ray

Sicista caucasica compared with Rajella fyllae

Key Differences

• Caucasian Birch Mouse is Near Threatened while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Caucasian Birch Mouse	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Dipodidae	Rajidae
Genus	Sicista	Rajella
Species	Sicista caucasica	Rajella fyllae

Evolutionary Relationship

Caucasian Birch Mouse and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caucasian Birch Mouse

NT — Near Threatened

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Caucasian Birch Mouse	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.