Austral ray vs Bidentate Yellow-shouldered Bat

Bathyraja griseocauda compared with Sturnira bidens

Key Differences

• Austral ray is Endangered while Bidentate Yellow-shouldered Bat is Least Concern.

Taxonomic Classification

Rank	Austral ray	Bidentate Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Chiroptera (Bats)
Family	Arhynchobatidae	Phyllostomidae
Genus	Bathyraja	Sturnira
Species	Bathyraja griseocauda	Sturnira bidens

Evolutionary Relationship

Austral ray and Bidentate Yellow-shouldered Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Austral ray

EN — Endangered

Bidentate Yellow-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Bidentate Yellow-shouldered Bat
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.

Bidentate Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and 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.

Bidentate Yellow-shouldered Bat

The Bidentate Yellow-shouldered Bat (Sturnira bidens) is a species in the genus Sturnira. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.