Northern Birch Mouse vs Smallthorn skate

Sicista betulina compared with Bathyraja minispinosa

Taxonomic Classification

Rank	Northern Birch Mouse	Smallthorn skate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Dipodidae	Arhynchobatidae
Genus	Sicista	Bathyraja
Species	Sicista betulina	Bathyraja minispinosa

Evolutionary Relationship

Northern Birch Mouse and Smallthorn skate share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Northern Birch Mouse

LC — Least Concern

Smallthorn skate

LC — Least Concern

Physical Characteristics

Attribute	Northern Birch Mouse	Smallthorn skate
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.

Smallthorn skate