Dwarf round ray vs Northern Red-backed Vole

Urotrygon nana compared with Myodes rutilus

Key Differences

• Dwarf round ray is Near Threatened while Northern Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Northern Red-backed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Myodes
Species	Urotrygon nana	Myodes rutilus

Evolutionary Relationship

Dwarf round ray and Northern Red-backed Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Northern Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Northern Red-backed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Northern Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway, Russia, and Sweden.