Guam Flying Fox vs Serotine

Pteropus tokudae compared with Eptesicus serotinus

Key Differences

• Guam Flying Fox is Extinct while Serotine is Vulnerable.

Taxonomic Classification

Rank	Guam Flying Fox	Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Chiroptera (Bats)	Chiroptera (Bats)
Family	Pteropodidae (Fruit Bats)	Vespertilionidae
Genus	Pteropus (Flying Foxes)	Eptesicus
Species	Pteropus tokudae	Eptesicus serotinus

Evolutionary Relationship

Guam Flying Fox and Serotine share a common ancestor at the Order level: Chiroptera. (Bats)

Conservation Status

Guam Flying Fox

EX — Extinct

Serotine

VU — Vulnerable

Physical Characteristics

Attribute	Guam Flying Fox	Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Serotine

Serotine (Eptesicus serotinus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.