Austral ray vs Lesser Short-tailed Rat

Bathyraja griseocauda compared with Brachyuromys betsileoensis

Key Differences

• Austral ray is Endangered while Lesser Short-tailed Rat is Least Concern.

Taxonomic Classification

Rank	Austral ray	Lesser Short-tailed Rat
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Elasmobranchii	Mammalia (memeliler)
Order	Rajiformes (Rajiformes)	Rodentia (kemiriciler)
Family	Arhynchobatidae	Nesomyidae
Genus	Bathyraja	Brachyuromys
Species	Bathyraja griseocauda	Brachyuromys betsileoensis

Evolutionary Relationship

Austral ray and Lesser Short-tailed Rat share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

Austral ray

EN — Endangered

Lesser Short-tailed Rat

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Lesser Short-tailed Rat
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.

Lesser Short-tailed Rat

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.