Austral ray vs Orinocan Speckled Tree-rat

Bathyraja griseocauda compared with Pattonomys punctatus

Key Differences

• Austral ray is Endangered while Orinocan Speckled Tree-rat is Data Deficient.

Taxonomic Classification

Rank	Austral ray	Orinocan Speckled Tree-rat
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Elasmobranchii	Mammalia (स्तनधारी)
Order	Rajiformes (Rajiformes)	Rodentia (कृंतक)
Family	Arhynchobatidae	Echimyidae
Genus	Bathyraja	Pattonomys
Species	Bathyraja griseocauda	Pattonomys punctatus

Evolutionary Relationship

Austral ray and Orinocan Speckled Tree-rat share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

Austral ray

EN — Endangered

Orinocan Speckled Tree-rat

DD — Data Deficient

Physical Characteristics

Attribute	Austral ray	Orinocan Speckled Tree-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.

Orinocan Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.