Austral ray vs Guam Flying Fox

Bathyraja griseocauda compared with Pteropus tokudae

Key Differences

• Austral ray is Endangered while Guam Flying Fox is Extinct.

Taxonomic Classification

Rank	Austral ray	Guam Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Chiroptera (Bats)
Family	Arhynchobatidae	Pteropodidae (Fruit Bats)
Genus	Bathyraja	Pteropus (Flying Foxes)
Species	Bathyraja griseocauda	Pteropus tokudae

Evolutionary Relationship

Austral ray and Guam Flying Fox share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Austral ray

EN — Endangered

Guam Flying Fox

EX — Extinct

Physical Characteristics

Attribute	Austral ray	Guam Flying Fox
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.

Guam Flying Fox

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.