Austral ray vs Narrow-headed Vole

Bathyraja griseocauda compared with Microtus gregalis

Key Differences

• Austral ray is Endangered while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Austral ray	Narrow-headed Vole
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Rajiformes (อันดับปลาโรนัน)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Arhynchobatidae	Cricetidae
Genus	Bathyraja	Microtus
Species	Bathyraja griseocauda	Microtus gregalis

Evolutionary Relationship

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

Conservation Status

Austral ray

EN — Endangered

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Austral ray

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

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

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Austral ray

The Austral ray (Bathyraja griseocauda) is a species in the genus Bathyraja. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.