Gray Birch Mouse vs undulate ray

Sicista pseudonapaea compared with Raja undulata

Key Differences

• Gray Birch Mouse is Data Deficient while undulate ray is Endangered.

Taxonomic Classification

Rank	Gray Birch Mouse	undulate 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	Raja
Species	Sicista pseudonapaea	Raja undulata

Evolutionary Relationship

Gray Birch Mouse and undulate ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray Birch Mouse

DD — Data Deficient

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Gray Birch Mouse	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.