Dwarf round ray vs Narrow-headed Vole

Urotrygon nana compared with Microtus gregalis

Key Differences

• Dwarf round ray is Near Threatened while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Narrow-headed Vole
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Myliobatiformes (อันดับปลากระเบน)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Microtus
Species	Urotrygon nana	Microtus gregalis

Evolutionary Relationship

Dwarf round ray and Narrow-headed Vole share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Dwarf round ray

NT — Near Threatened

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.