Dark flying fox vs sei whale

Pteropus subniger compared with Balaenoptera borealis

Key Differences

• Dark flying fox is Extinct while sei whale is Endangered.

Taxonomic Classification

Rank	Dark flying fox	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Cetacea (Whales & Dolphins)
Family	Pteropodidae (Fruit Bats)	Balaenopteridae (Rorquals)
Genus	Pteropus (Flying Foxes)	Balaenoptera (Rorquals)
Species	Pteropus subniger	Balaenoptera borealis

Evolutionary Relationship

Dark flying fox and sei whale share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Dark flying fox

EX — Extinct

sei whale

EN — Endangered

Physical Characteristics

Attribute	Dark flying fox	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark flying fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.