Austral ray vs Big-eared Hopping Mouse

Bathyraja griseocauda compared with Notomys macrotis

Key Differences

• Austral ray is Endangered while Big-eared Hopping Mouse is Extinct.

Taxonomic Classification

Rank	Austral ray	Big-eared Hopping Mouse
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Elasmobranchii	Mammalia (포유류)
Order	Rajiformes (홍어목)	Rodentia (설치류)
Family	Arhynchobatidae	Muridae (Mice & Rats)
Genus	Bathyraja	Notomys
Species	Bathyraja griseocauda	Notomys macrotis

Evolutionary Relationship

Austral ray and Big-eared Hopping Mouse share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Austral ray

EN — Endangered

Big-eared Hopping Mouse

EX — Extinct

Physical Characteristics

Attribute	Austral ray	Big-eared Hopping Mouse
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.

Big-eared Hopping Mouse

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.

Big-eared Hopping Mouse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.