Dusky Flying Fox vs Taiwan spurdog

Pteropus brunneus compared with Squalus formosus

Key Differences

• Dusky Flying Fox is Extinct while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	Dusky Flying Fox	Taiwan spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Chiroptera (Bats)	Squaliformes (Squaliformes)
Family	Pteropodidae (Fruit Bats)	Squalidae
Genus	Pteropus (Flying Foxes)	Squalus
Species	Pteropus brunneus	Squalus formosus

Evolutionary Relationship

Dusky Flying Fox and Taiwan spurdog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Flying Fox

EX — Extinct

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	Dusky Flying Fox	Taiwan spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Taiwan spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.